| 5365595 |
alfalfa |
Medicago sativa |
Table showing nutrient requirements of alfalfa. |
| 5357415 |
garden onion |
Allium cepa |
Graphic diagram of onion plants and nitrogen placement. |
| 1572585 |
fertilization |
|
Manure spreader. January 1997 |
| 1572092 |
fertigation |
|
Residue in furrow from anhydrous ammonia application. May 1996 |
| 1571704 |
cattle manure |
|
Loading cattle manure from the feedlot to a spreader truck (see 1571705). December 1995 |
| 1572586 |
fertilization |
|
Manure spreader. January 1997 |
| 1572587 |
fertilization |
|
Manure spreader. January 1997 |
| 5393084 |
garden onion |
Allium cepa |
Poor emergence of onion seedlings due to high soil salinity and crusting. |
| 5393083 |
garden onion |
Allium cepa |
Poor emergence of onion seedlings due to high soil salinity and crusting. |
| 5393081 |
garden onion |
Allium cepa |
Poor emergence of onion seedlings due to high soil salinity and crusting. |
| 5393082 |
garden onion |
Allium cepa |
Poor emergence of onion seedlings due to high soil salinity and crusting. |
| 5393080 |
garden onion |
Allium cepa |
Poor emergence of onion seedlings due to high soil salinity and crusting. |
| 5389420 |
garden onion |
Allium cepa |
Poor emergence of onion seedlings due to high soil salinity and crusting. |
| 5362164 |
calcium deficiency |
|
An apple fruit showing the apple bitter pit symptoms caused by calcium deficiency in the field. |
| 5362388 |
fertilization |
|
A fertilizer injector used for operations in orchards. |
| 5367284 |
fertilization |
|
An ammonia applicator in the field. |
| 5367285 |
fertilization |
|
An ammonia applicator in the field. |
| 5361499 |
spray planes |
|
A spray plane undertaking an aerial application of pesticides on a field. |
| 5360154 |
fertilization |
|
Two ammonia tanks used for ammonia fertilization in the field. Please note the sprinkler for the center pivot irrigation system in the background. |
| 5360153 |
fertilization |
|
A tractor hauling ammonia tanks used for ammonia fertilization in the field. |
| 5360141 |
fertilization |
|
A TerraGator applying a starter fertilizer to a field. |
| 5360142 |
fertilization |
|
A TerraGator applying a starter fertilizer to a field. |
| 5360140 |
fertilization |
|
A TerraGator applying a starter fertilizer to a field. |
| 5356992 |
fertilization |
|
Damage to rice plants due to organic matter toxicity in a field. |
| 5358945 |
fertilization |
|
Farmers in Ethiopia receiving their allotments of fertilizer. |
| 5365205 |
fertilization |
|
Rear discharge fertilizer spreader, distributing biosolids (manure) onto a field. |
| 5365204 |
fertilization |
|
Loading biosolids in preparation for fertilizing a field. |
| 5365203 |
fertilization |
|
Biosolids spreader at work, fertilizing a field. |
| 5357594 |
nutrient deficiency |
|
Sugar beet plant showing yellowing foliage, symptomatic of fertility deficiency and poor drainage. |
| 5357593 |
nutrient deficiency |
|
Field of sugar beets showing yellowing foliage, symptomatic of fertility deficiency and poor drainage. |
| 5357592 |
nutrient deficiency |
|
Field of sugar beets showing yellowing foliage, symptomatic of fertility deficiency and poor drainage. |
| 5357591 |
nutrient deficiency |
|
Field of sugar beets showing symptoms of fertility deficiency and poor drainage. |
| 5361287 |
nutrient deficiency |
|
Ears of corn showing fertility stress on a pile of seeds being weighed after harvest. |
| 5361286 |
nutrient deficiency |
|
Field corn plant with purplish leaves, a symptom of phosphorus deficiency. |
| 5361284 |
nutrient deficiency |
|
Field corn plant showing symptoms of iron deficiency. |
| 5361281 |
nutrient deficiency |
|
Field corn plant, the bottom leaf of which is showing symptoms of nitrogen deficiency. |
| 5361280 |
nutrient deficiency |
|
View between rows of corn displaying symptoms of nitrogen deficiency. |
| 5361278 |
corn |
Zea mays |
Damage to the roots of a corn plant due to high nitrogen levels (use of manure) in the root zone. |
| 5361277 |
nutrient deficiency |
|
Leaves of corn showing characteristic "V" coloration indicating nitrogen deficiency. |
| 5360811 |
corn |
Zea mays |
Ammonium fertilitizer injector in field corn. |
| 5360810 |
corn |
Zea mays |
Ammonium fertilitizer injection in field corn. |
| 5365990 |
corn |
Zea mays |
Delivery of fertigation for field corn. |
| 5365989 |
corn |
Zea mays |
Fertilizer injector for irrigating (fertigating) field corn. |
| 5365988 |
corn |
Zea mays |
Fertilizer injector for irrigating (fertigating) field corn. |
| 5363641 |
corn |
Zea mays |
Manure spread on the ground in a corn field. |
| 5356697 |
nutrient deficiency |
|
Grape leaves exhibiting symptoms of a nutrient imbalance. |
| 5365151 |
common wheat |
Triticum aestivum |
Mature wheat in a field used in a biosolids study. |
| 5362556 |
common wheat |
Triticum aestivum |
Field preparation equipment for winter wheat - disk for cultivation and tank of ammonia fertilizer, mounted behind a tractor. |
| 5364353 |
nutrient deficiency |
|
Plots of dry beans in Idaho, demonstrating effects of zinc deficiency and use of different bean varieties. |
| 5364352 |
nutrient deficiency |
|
Plots of dry beans in Idaho, demonstrating effects of zinc deficiency and use of different bean varieties. |
| 5363014 |
nutrient deficiency |
|
Iron chlorosis of dry bean plants, indicating an imbalance in fertility of the soil - near Sedgwick, Colorado. |
| 5364030 |
nutrient deficiency |
|
Iron chlorosis due to over irrigation of dry beans. |
| 5364031 |
nutrient deficiency |
|
Bean leaves showing chlorosis due to a deficiency of iron. |
| 5364032 |
nutrient deficiency |
|
Bean leaves showing chlorosis and browning due to a deficiency of zinc. |
| 5362801 |
common bean |
Phaseolus vulgaris |
Manure spreader applying fertilizer by a field of dry beans. |
| 5366637 |
garden onion |
Allium cepa |
Foliar fertilizer damage to onion. |
| 5357416 |
garden onion |
Allium cepa |
Cardy nitrate meter for measuring soil fertility levels. |
