The production of field crops.

Fertilizer proportioners for floriculture and nursery crop production management /

Crop spraying.

Crop sprayers.

Crop sprayers Merlin.

Rabbits in relation to crops.

Diseases of field crops.

Field Crop Abstracts.

Respiration and crop produktivity /

Diseases of Vegetable Crops.

Crops in peace and war.

Complete Nutrition for Plants & Crops.

Physiological genetics of agricultural crops /

Biochemical Analysis in Crop Science /

Chemicals for crop improvement and pest management /

Cultural practices and infectious crop diseases /

Yield formation in the main field crops. /

Introduktion to crop husbandry including grassland /

Yield formation in the main field crops /

Fertilizers, crop quality and economy : proceedings of a study week on the use of fertilizers and their effect on crop growth, with emphasis on quality and economy, April 10th-16th 1972 /

Crop production.