1.The enrichment fertilizers as :
- nitrogrn from urea (46-0-0),
- nitrogen and phosphorus from
diammonium phosphate (18-46-0),
- potassium from potassium Chloride
(0-0-60)
was used to adjust the concentration of
nutrient (N-P-K) to reach 20-8-20
2. Input 5 gm/bag