Influence of organic manure enrichment on growth and yield of crops and soil properties: A review

Abstract

In intensive agriculture, uses of high analyze inorganic fertilizers, little or scarce use of FYM and considerable reduction in recycling of crop residues resulted in deficiencies of nutrients in soil. Consequently, the deficiencies of macro and micro-nutrients in soil have become major constraint for maintaining soil productivity. Wide spread of these micronutrients deficiencies particularly Fe and Zn has been observed in India soils. Use of enriched FYM is one of the methods to decrease the nutrient losses. For better growth crop requires more nutrients to improve the yield components. Enriching FYM with inorganic fertilizers and PGPR boost crop grain yield, and harvest index significantly through improving the physico-chemical properties of the soil and sustain its productivity over years. The nutrient enriched organic manures being cheaper and eco-friendly and could be used as an alternative of chemical fertilizers for improving crop productivity and sustainability of the system. However, profitability of this technology needs to be tested at different locations and in different seasons in the different part of India.