"dehydrater onions" used for spices

dehydrator onions

Bulb of a yellow onion

Bulb of a yellow onion

Bulb of a yellow onion

Yellow onion bulbs

Yellow onions

Yellow onions

Yellow onion bulbs

Graph showing growth curve of the onion variety "Colorado 6."

Onion harvest in progress, Avondale, Colorado.

Bagged onions curing in the field, Rocky Ford, Colorado.

Soil excavated from the base of an onion plant in order to show the roots.

Market class red onions

Defoliation of onions due to storm damage.

Onion plant at the point of bulb initiation in the field.

Graphic diagram of onion plants and nitrogen placement.

Cardy nitrate meter for measuring soil fertility levels.

Culls left in the field can sprout ("volunteer") and promote diseases in onion fields.

Onion culls left in the field can sprout ("volunteer") and promote disease.

Onion seedlings near weather station in research plots that also include "volunteer" onions.

Spinkler irrigating onion seedlings.

Spinkler irrigating onion seedlings.

Drip irrigation in an onion field, 7 lines per bed.

Drip irrigation in an onion field.

Drip irrigation in an onion field.

Drip irrigation in an onion field.

Drip irrigation in an onion field.

Close-up view (between rows) of drip irrigation in an onion field.

Equipment used in establishing drip irrigation in an onion field.

Equipment for use in setting up drip irrigation in an onion field.

Close-up view of cultivator used for setting up a drip irrigation system in an onion field.

Cultivator used in setting up a drip irrigation system in an onion field.

Gas well in an onion field.

Damage to onion plant caused by the herbicide Prowl.

Damage to onion plant caused by the herbicide, Prowl.

Prowl herbicide damage.

Prowl herbicide damage to an onion plant.

Damage to onion plant caused by Prowl herbicide.

Prowl herbicide damage to an onion plant.

Damage to onion caused by the use of Prowl herbicide.

Damage to onion caused by the use of Prowl herbicide.

Damage to onion caused by the use of Prowl herbicide.

Damage to onion caused by the use of Prowl herbicide.

Damage to onion caused by the use of Prowl herbicide.

Field plots for research on bacterial diseases of onions, Yuma, CO, 2004.

COAGMET and Spectrum weather stations in field plots for research on bacterial diseases of onions, Yuma, CO, 2004.

COAGMET and Spectrum weather stations in field plots for research on bacterial diseases of onions, Yuma, CO, 2004.

COAGMET and Spectrum weather stations in field plots for research on bacterial diseases of onions, Yuma, CO, 2004.

Onion production field.

Onions laid out to cure in the field.

Truck harvesting onions.

Linear irrigation of onions.

Onions being irrigated from a ditch system.

Scenic view of an onion field.

Scenic view of a field of onions.

Harvesting transplanted onions.

Flower bud (umbel) atop an onion stalk.

Onion flower buds emerging from the "bud" at the top of a stalk.

Liquid nitrogen placement beneath onion beds.

Tractor fertilizing an onion field using liquid nitrogen placement beneath onion beds.

Tractor fertilizing an onion field using liquid nitrogen placement beneath onion beds.

Closer view of tractor fertilizing an onion field using liquid nitrogen placement beneath onion beds.

Chisel tractor used for placing liquid nitrogen fertilizer beneath onion beds.

Close-up view of tractor used for placing liquid nitrogen fertilizer beneath onion beds.

Tractors packing soil after injection (fumigation) of pesticide into an onion field.

Onion seedlings

Onion culls left lying in field.

Onion culls left lying in the field after harvest.

Sprouting onion culls left in a wagon after harvest

Onions bolting to flower in field, prior to harvest of bulbs.

Onion inflorescence (umbel) in bloom

Planting onions, using a tractor

Herbicide application to an onion field prior to planting.

Field workers planting onion transplants.

Field of newly planted onion transplants.

View of a field of newly transplanted onions.

Field of onion transplants.

Spraying of herbicide onto an onion field

Tractor spraying herbicide on an onion field.

Yellow onions at the bulbing stage of development

Attendees of an Extension field day, viewing onions in a variety trial.

Onions maturing in a field irrigated with a center pivot system, prior to harvest.

Using a tractor to top (cut) onions prior to harvest

Bagged onions curing in the field

Onions bagged and curing in a field that had been irrigated with a center pivot system

Trucks full of newly harvested onions waiting at the onion shed

Trucks full of onions wait to be unloaded at the shed.

Equipment used to sort pearl onions.

A grader being used to sort yellow onions.

Computer set up for entering data in an onion storage shed.

Red onions in bulk storage after harvest.

Intercropping system of onions and dry beans in Tenerife, Colombia.

A drip irrigation system in use on an onion field near Rocky Ford in Colorado.

A tractor with an attached undercutter used for onion harvesting in the field.

A tractor with an attached undercutter used for onion harvesting in the field.

A tractor with an attached undercutter used for onion harvesting in the field.

Onion research plots at ARDEC in 1999.

Onion research plots at ARDEC in 1999.

Onion research plots at Rocky Ford in 1999.

Onion research plots at Rocky Ford in 1999.

A weather station equipment used for disease forecasting on an onion filed at Rocky Ford.

An equipment for bacterial inoculation in the laboratory.

Onion culls piled in a heap following harvest and sorting.

Onion culls spread in waste area following harvesting and sorting.

A pile of culled red onions discarded in the field.

Onion bulbs cut open to reveal damage created by bruising during handling.

Onion bulbs cut open to reveal damage created by bruising during handling.

Onion field with plots marked for study of Iris Yellow Spot Virus.

Onion fields in the Tenerife Valley, Colombia.

Onion fields in the Tenerife Valley, Colombia.

Bags of onions awaiting shipment to market in Tenerife, Colombia.

Onions being shipped to market in a bus - Tenerife, Colombia.

Breakdown during shipment of onions by truck - Tenerife, Colombia.

Furrow irrigation of  onions.

Furrow irrigation of onion beds.

Onion fields in the Tenerife Valley, Colombia.

Bagged onions awaiting transport to market in Tenerife, Colombia.

Onions being shipped to market via bus in Tenerife, Colombia.

Onion processing shed at Montrose, Colorado.

Onion processing shed at Montrose, Colorado.

Truck loaded with onions at a processing shed in Montrose, Colorado.

Onion culls piled and spread in a field could result in unwanted volunteer plants the next season. Sheep in the background.

An installation of a weather station equipment in an onion field.

A truck used for the installation of a weather station equipment in an onion field.

Scott Fichtner taking onion biomass measurements in the field.

An onion field in August 2001.

A center-pivot irrigation system in use on an onion field.

A center-pivot irrigation system in use on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field at Rocky Ford.

A weather station equipment on an onion field at Rocky Ford.

A weather station equipment on an onion field at Kersey.

A weather station equipment on an onion field at Kersey.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A weather station equipment on an onion field.

A diesease modelling equipment on an onion field.

A weather station equipment on an onion field.

 A mid-season onion field showing a Pivot 39 access.

A mid-season onion field showing a Pivot 39 access.

A mid-season onion field showing a Pivot 39 access.

An onion top-roller attached to a tractor in the field.

An onion top-roller attached to a tractor in the field.

A harvested yellow onion bulb.

A harvested yellow onion bulb.

A harvested yellow onion bulb.

A harvested yellow onion bulb.

A harvested white onion bulb.

A harvested white onion bulb.

A harvested white onion bulb.

A harvested white onion bulb.

A harvested red onion bulb.

A harvested red onion bulb.

A harvested red onion bulb.

Harvested white, yellow and red onion bulbs.

Harvested white, yellow and red onion bulbs

Harvested white, yellow and red onion bulbs

A collection of some vegetables including white, yellow and red onions.

A collection of some vegetables including white, yellow and red onions.

A collection of some vegetables including white, yellow and red onions.

A collection of some vegetables including white, yellow and red onions.

A collection of some vegetables including white, yellow and red onions.

A collection of some vegetables including white, yellow and red onions.

A collection of some vegetables including white, yellow and red onions.

A collection of some vegetables including white, yellow and red onions.

A field of matured onions involved in an onion variety trial.

A harvested field of onions involved in an onion variety trial

Harvested yellow onions involved in an onion variety trial

Harvested yellow onions involved in an onion variety trial.

Harvested red onions involved in an onion variety trial.

Harvested red onions involved in an onion variety trial.

Harvested white onions involved in an onion variety trial.

Harvested white onions involved in an onion variety trial.

A scenic view of harvested onions topped and bagged in a field near Kersey.

A scenic view of onion harvesting in the field.

Unloading of harvested onions to a storage shed.

Unloading of harvested onions to a storage shed.

An Air/Humidity control unit at the onion storage shed.

An Air/Humidity control unit at an onion storage shed.

Matured onions on the field during a harvesting operation.

Onion debris on the field after a harvesting operation.

A windrow harvestor in operation during onion harvesting in the field.

A windrow harvestor in operation during onion harvesting in the field.

A windrow harvestor in operation during onion harvesting in the field.

A windrow harvestor in operation during onion harvesting in the field.

Micro-pipetter in use in research into bacteria of onions.

Spiral plater in laboratory, used in research on the diseases of onion.

Remote electronic weather station used for research on dry beans and onions - Ault, Colorado

Remote electronic weather station used in research, modeling the diseases of onions and dry beans - Holyoke, Colorado.

Onion planter (tractor) in use.

Tractor cultivator in an onion field.

Using a tractor to roll the tops of onions, in preparation for harvest.

Using a tractor to top onions in preparation for harvest.

Using a tractor to push onions into windrows for harvesting.

Harvesting onions using a mechanical harvester.

Bagging equipment in use during onion harvest.

Curing onions in crates immediately following harvest.

Preparing onions for the storage shed

Demonstration of topping onions by hand, during harvest.

Onions curing in bags.

Onions curing in windrows in the field.

A scenic view of seeded onion curing in windrows on a field at Montrose.

A scenic view of transplanted onion curing in bags on a field at Montrose.

A scenic view of a mid-season field of onions at Delta.

A soil moisture tensiometer in an onion field.

A field of onion plants at maturity showing different varietal plant morphologies.

The effects of high temperature stress on onion plant sizes in the field.

The damage to the basal plates of onion transplants due to high temperature stress.

The damage to the basal plate of an onion transplant due to high temperature stress.

The damage to the basal plate of an onion transplant due to high temperature stress.

A study field of onions at Rocky Ford.

Strips of onion plants on a study field.

Onion plants at maturity on a variety trial field.

Onion plants at maturity on a variety trial field.

Onion plants at maturity on a variety trial field.

Chimera of an onion plant in the field.

Onion harvest, rolled tops

Onion harvest, rolled tops

Onion harvest, rolled tops

Onion, field day, people, drip irrigation

Drip irrigation tube for irrigating a field of onions.

Using a backpack sprayer to apply pesticide to a field of onions.

Field trial during research on onion thrips and Iris Yellow Spot Virus in Delta, Colorado, 2004.

Plots laid out in an onion field for pesticide application during research on downy mildew.

Research plots marked for bactericide application on onions in a study conducted at Rocky Ford, Colorado, September 1997.

Spectrum weather station set up in a research plot to model parameters in a study on diseases of onions.

Experiment in topping onions by cutting the plants by hand, to similate the effects of storm damage.

Onion plants that have been topped by cutting them by hand, in an experiment simulating the effects of storm damage. From left to right, the plants have been clipped at the rates of 0%, 25%, 50%, and 75%.

Experiment in similating the effects of storm damage to onions: control plot, 0% of plants topped by clipping.

Experiment in similating the effects of storm damage to onions: control plot, 25% of plants topped by clipping.

Experiment in similating the effects of storm damage to onions: control plot, 50% of plants topped by clipping.

Experiment in similating the effects of storm damage to onions: control plot, 75% of plants topped by clipping.

Experiment similating the effects of storm damage to onions. Plants were topped by clipping.

Experiment similating the effects of storm damage to onions. Plants were topped by clipping.

Experiment similating the effects of storm damage to onions. Plants were topped by clipping.

Sprinkler irrigation of onions.

Sprinkler irrigation of onions.

Onion production, El Paso Texas

Onion bulbs, Onion morphology

Cages used to maintain seed quality while studying the genetics and breeding of onions.

Cages used to maintain seed quality while studying the genetics and breeding of onions. Onions are in flower.

Onion breeding cages, Genetic research, Flowering, Screenhouse, Equipment, Seed quality

Onion umbels, Genetic research, Flowering, Morphology, Equipment, Seed quality

Field of flowering onions for seed production.

Disked onion plants on a field in Colorado.

Herbicide damage (chlorosis) on an onion leaf.

Scouting onions, Larry Duell, Diesease, Insect, Pest, Crop consulting

Stand of seeded onions in the field.

Dew on an onion leaf in the field.

Onion leaf with dew on it, a factor in research modeling onion diseases.

Vegetative chimera - an abiotic condition in onions.

Bruising of an onion leaf caused by a rainstorm.

Volunteer potato plant growing as a weed among onions.

Herbicide was applied to control volunteer field corn plants growing among onions.

Velvetleaf seedling (Abutilon theophrasti), a weed among onions.

Puncturevine (Tribulus terrestris) growing among onion plants.

Onion plants being smothered by field bindweed, Convolvulus arvensis.

Onion plants infested with black nightshade, Solanum nigrum.

An onion field infested with a weed species.

An undercutting equipment used for onion field harvesting.

An onion field with a split bulb showing symptoms of oil damage.

An onion field with a plant showing symptoms of oil damage.

Strips of onions in a variety trial on the field.

An onion plant at the pre-bulbing stage of development in the field.

An onion plant at the pre-bulbing stage of development in the field.

Onion plants at the pre-bulbing stage of development in the field.

Onion plants at the pre-bulbing stage of development in the field.

A field of young onion plants under a center pivot irrigation system.

A field of young onion plants under a center pivot irrigation system.

A tractor used for undercutting onion transplants in the field.

A tractor undercutting onion transplants in the field during a harvesting operation.

Market class onions from variety trials: PSR93088, El Charro, and Mambo.

Volunteer onion plants in a winter wheat field.

Volunteer onion plants in a winter wheat field

An onion seedling with probable abiotic disease symptoms in the field.

An onion seedling with probable abiotic disease symptoms in the field.

A management process of pesticide and fertiliser application during onion cultivation.

A management process of pesticide and fertiliser application during onion cultivation.

A tractor digging a ditch as part of the ditch irrigation system installation on the field.

Pesticide application on an onion field.

Pesticide application on an onion field.

Pesticide application on an onion field.

Calvin Hartzog at the micro-climate weather station on an onion field.

A micro-climate weather station on an onion field.

A micro-climate weather station on an onion field.

A micro-climate weather station on an onion field.

Undercut onions on the field during a harvesting operation.

Undercut onions on the field during a harvesting operation.

Undercut onions on the field during a harvesting operation.

A field of onion plants under a furrow irrigation system.

A field of onion plants under a furrow irrigation system.

Yellow onion bulbs on the field after harvesting.

Red onion bulbs on the field after harvesting.

White onion bulbs on the field after harvesting.

Cropped yellow onions at maturity in the field.

An tractor used for soil fumigation operations in the field.

Raw garden onion seeds during a seed quality inspection exercise.

Garden onion pelleted seeds during seed quality inspection.

Garden onion pelleted seeds during seed quality inspection.

Garden onion-sets during seed quality inspection.

Harvesters used for field harvesting of onions.

Harvesters used for field harvesting of onions.

A volunteer onion plant in a cabbage field as a weed.

Onion seedlings with flag leaf symptoms on the field.

Onion seedlings with flag leaf symptoms on the field.

A tractor cultivating an onion field in Colorado.

A tractor cultivating an onion field in Colorado.

A tractor cultivating an onion field in Colorado.

Onion cultivation in the field.

Onion plants grown from large-sized seedsets in bolts.

Onion plants grown from large-sized seedsets in bolts.

Onion plants grown from large-sized seedsets in bolts.

A variety trial field of onions at Rocky Ford in 1998.

Leaf color differences of different onion varieties in the field.

Leaf color differences of different onion varieties in the field.

Leaf color differences of different onion varieties in the field.

Leaf color differences of different onion varieties in the field.

Onion plants at near-maturity in the field.

Onion plants at maturity in the field.

Experimental research into the use of a non-registered defoliant as a pre-harvest treatment of onions.

Experimental research into the use of a (non-registered) defoliant as a pre-harvest treatment of onions.

Experimental research into the use of a (non-registered) defoliant as a pre-harvest treatment of onions - closer view of plants.

Experimental research into the use of a (non-registered) defoliant as a pre-harvest treatment of onions - close view of browned tops.

Experimental research into the use of a (non-registered) defoliant as a pre-harvest treatment of onions - closer view of affected plants.

Experimental research into the use of a (non-registered) defoliant as a pre-harvest treatment of onions - view of affect on plants.

Experimental research into the use of a (non-registered) defoliant as a pre-harvest treatment of onions.

Experimental research into the use of a (non-registered) defoliant as a pre-harvest treatment of onions.

Onions growing in pots in a research greenhouse.

Potted onions growing in a research greenhouse.

Potted onions growing in a research greenhouse facility.

Potted onions growing in a research greenhouse facility.

A furrow irrigated onion field.

equipment, harvest, rolling, undercutting onions, equipment, tractor, cutter 

equipment, rolling, undercutting onions, harvest, tractor, cutter

rolling, undercutting onions, harvest

Herbicide damage to onions.

Close-up view of herbicide damage on an onion plant.

Close-up view of herbicide damage on an onion plant.

Close-up view of herbicide damage on an onion plant.

Herbicide (Prowl) and crop oil damage to an onion field.

Herbicide (Prowl) and crop oil damage to an onion field.

Herbicide (Prowl) and crop oil damage to an onion field.

Close-up view of herbicide (Prowl) and crop oil damage to an onion.

Close-up view of herbicide (Prowl) and crop oil damage to an onion.

Close-up view of herbicide (Prowl) and crop oil damage to onions.

Close-up view of herbicide (Prowl) and crop oil damage to an onion.

Wind damage to onions.

Onion research and demonstration plots, Colorado State University Extension.

Field of onions being irrigated in western Colorado.

Drip irrigation in a California onion field.

Drip irrigation of onions in California.

Drip irrigation of onions in a California field.

Drip irrigation system in a California onion field.

Some of the equipment used in a drip irrigation system for onions, California.

Equipment used as part of a drip irrigation system for onions.

Taper removal implement used in a drip irrigation system for onions.

Sprinkler irrigation in operation in an onion field.

Onions in the process of being harvested.

Field carts for sorting or bagging of onions at harvest.

Portable ramp to be used with wagons during the harvest of onions.

Salt accumulation in the middle of an onion bed.

Field worker planting onions as transplants.

Field worker planting onion transplants.

Experimental plots in an onion/weed trial.

Vacuum planter in use, planting onions.

Onion transplants being set out in the field.

Onion seedlings emerging from encrusted soil.

Onion transplants with soil excavated to show root development.

Bagged onions curing in the field, post harvest.

Cross-section of a red onion sprouting.

Red onion bulbs and plants.

Onion variety trial.

Drip system just beginning to irrigate a field of onions.

A bundle of red onion transplants, ready for planting.

The umbel of an onion plant, just beginning to flower.

Severe damage to onion plants from a hailstorm.

Loop stage of an onion seedling as it emerges from the soil.

Severe damage to an onion plant after a hail storm.

Close-up view of an onion seedling at the loop stage, showing the "knee" at the apex of the loop.

Market class onions from a variety trial: the white onion "PSR93088," the yellow cultivar "El Charro," and the red "Mambo."

Bundle of transplants of Spanish onions, ready for planting.

Onion seedling at the loop stage, as it emerges from the soil.

Onions bolting and going to seed in a field of onion transplants.

Wind and temperature damage on onion seedlings.

Field trial of the "El Charro" variety of onion, ready for harvest.

Genetic chimera of an onion plant.

Morphology of an onion plant at the bulb initiation stage.

Foliar fertilizer damage to onion.

Water and soil erosion in an onion furrow.

Field of onion transplants, showing proper spacing of plants.

Field of transplanted onions, demonstrating proper spacing of plants.

Field of transplanted onions, demonstrating proper spacing of plants.

Volunteer onion plant in a field of dry beans - a potential reservoir or source for Iris Yellow Spot Virus.

Equipment used in a drip irrigation system for onions in western Colorado.

A field has been disked and plowed in preparation for planting onions and conducting research on Iris Yellow Spot Virus.

Field, disked and plowed in preparation for planting onions and conducting research on Iris Yellow Spot Virus.

Field, disked and plowed in preparation for planting onions and conducting research on Iris Yellow Spot Virus.

Field, disked and plowed in preparation for planting onions and conducting research on Iris Yellow Spot Virus.

Iris Yellow Spot Virus, onion, field preparation, plowing, disking, sugarbeet, fieldcorn

Field, disked and plowed in preparation for planting onions and conducting research on Iris Yellow Spot Virus.

Field, disked and plowed in preparation for planting onions and conducting research on Iris Yellow Spot Virus.

Roller harrow to be used in preparing a field for planting onions.

Iris Yellow Spot Virus, onion, field preparation, equipment, tractor, roller harrow

Iris Yellow Spot Virus, onion, field preparation, equipment, tractor, roller harrow

Iris Yellow Spot Virus, onion, field preparation, equipment, tractor, roller harrow

Iris Yellow Spot Virus, onion, field preparation, equipment, tractor, roller harrow

Workers transplanting onions on a field at Colorado, USA.

Workers transplanting onions on a field at Colorado, USA.

Workers transplanting onions on a field at Colorado, USA.

Workers transplanting onions on a field at Colorado, USA.

An onion transplanter in use on a field at Colorado, USA.

An onion transplanter in use on a field at Colorado, USA.

Workers transplanting onions on a field at Colorado, USA.

Newly transplanted onion plants on a field at Colorado, USA.

Workers transplanting onions on a field at Colorado, USA.

Workers transplanting onions on a field at Colorado, USA.

The wheel of an onion transplanter in use on a field at Colorado, USA.

Workers transplanting onions on a field at Colorado, USA.

Workers transplanting onions on a field at Colorado, USA.

An onion transplanter in use on a field at Colorado, USA.

An onion transplanter in use on a field at Colorado, USA.

A onion seedling on a crusted field at Colorado, USA.

A onion seedling on a crusted field at Colorado, USA.

A post-emergence death of an onion seedling due to soil crusting.

A post-emergence death of an onion seedling due to soil crusting.

A post-emergence death of an onion seedling due to soil crusting.

A post-emergence death of an onion seedling due to soil crusting.

A post-emergence death of an onion seedling due to soil crusting.

A post-emergence death of an onion seedling due to soil crusting.

A post-emergence death of an onion seedling due to soil crusting.

Poor emergence of onion seedlings due to high soil salinity and crusting.

An untreated onion plot used in an onion thrips management research at Colorado, USA.

A cultivator in operation on an onion field in Colorado, USA.

A cultivator in operation on an onion field at Colorado, USA

A cultivator in operation on an onion field at Colorado, USA

A cultivator in operation on an onion field at Colorado, USA

A cultivator in operation on an onion field at Colorado, USA

A cultivator in operation on an onion field at Colorado, USA

A cultivator in operation on an onion field at Colorado, USA

A cultivator in operation on an onion field at Colorado, USA

A cultivator in operation on an onion field at Colorado, USA

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied onto an onion field as part of onion thrips management research at Colorado, USA.

Straw mulch applied on to onion plots as part of an onion thrips management research on a field at Colorado, USA.

Straw mulch applied on to onion plots as part of an onion thrips management research on a field at Colorado, USA.

Straw mulch applied on to onion plots as part of an onion thrips management research on a field at Colorado, USA.

Straw mulch applied on to onion plots as part of an onion thrips management research on a field at Colorado, USA.

Straw mulch applied on to onion plots as part of an onion thrips management research on a field at Colorado, USA.

Straw mulch applied on to onion plots as part of an onion thrips management research on a field at Colorado, USA.

Straw mulch applied on to onion plots as part of an onion thrips management research on a field at Colorado, USA.

Straw mulch applied on to onion plots as part of an onion thrips management research on a field at Colorado, USA.

Straw mulch applied on to onion plots as part of an onion thrips management research on a field at Colorado, USA.

Poor emergence of onion seedlings due to high soil salinity and crusting.

Poor emergence of onion seedlings due to high soil salinity and crusting.

Poor emergence of onion seedlings due to high soil salinity and crusting.

Poor emergence of onion seedlings due to high soil salinity and crusting.

Poor emergence of onion seedlings due to high soil salinity and crusting.