Studies on the effect of phosphorus and farmyard manure on soybean and their residual effect on the succeeding crop of winter maize with regard to its nitrogen economy
Study on relative value of FYM and inorganic fertilizer alone and in combination on growth, nutrient uptake and yield of sorghum-wheat-sorghum fixed crop sequence
Direct residual and cumulative effect of phosphorous and farmyard manure on a fixed soybean wheat rotation
Biodegradation of some organic manures in soil in relation to mineralization, humus constitution and microbial population
Effect of city sewage sludge and mineral fertilizers on the physico-chemical properties of soils land uptake of macro micro nutrients and heavy metals by rice (IR 50) and certain vegetables
To study the possibility of using fly ash in combination with NPK on growth and yield attributes of rice and wheat
Evaluation of complementary use of organic manure and fertilizers
Agronomic investigations on the utilization of raw sewage in crop production
Production of rich manures by organic matter and phosphate
