Introduction to major field crops (1+1)

Nutrient Management

Apply well decomposed farm yard manure or compost at10 t/ha at the time of land preparation. Under irrigated condition, apply 60-90 kg nitrogen, 60 kg phosphorus and 40 kg potassium per hectare. For rainfed crop use only half the dose of recommended nutrients. Half quantity of total nitrogen and full amount of phosphorus and potassiumis applied at the time of sowing. Remaining half quantity of nitrogenshould be applied at 30 days after sowing.

Sulphur also plays an important role in oilseed crops. Apply of 20-40 kg sulphur through elemental sulphur 21 days before sowing or through gypsum at the time of sowing. If no sulphurfertilizer source is available nitrogen should be preferably be applied through ammonium sulphate and phosphorus through single super phosphate. If zinc deficiency, apply 5-10 kg Zinc sulphate.