Green manure increase yield and save 60% N in north Gujarat conditions.
The castor GCH-5 growing farmers of north Gujarat are advised to apply 120 kg N/ha in three equal splits i.e. at sowing, 40 DAS and 100 DAS. For castor seed production in north Gujarat, female line should be fertilized with 125kg N/ha.
Farmers of north-west agro-climatic zone growing castor GAUCH-1 are advised to apply 30 kg N + 20 kg P2O5/ha, of which N should be applied in two equal splits, half at 45-50 days after sowing the crop.