Effect of organic manures on productivity, nutrient uptake and soil fertility in pearl millet-wheat cropping sequence in Agra region

A study was conducted in Agra region soil for two years (2021-22 and 2022-23) in a randomized block design replicated thrice with nine locally available sources of organic manures along with one absolute control to study the residual effect of treatments of preceding wheat crop. Grain and straw yield as well as nutrient (NPK) uptake in both wheat and pearl millet were significantly higher in plots receiving 75% RDF + 5 t FYM ha-1 + 5 Kg Zn ha-1, followed by T6 (50% RDF + 5 t FYM + 5 Kg Zn ha-1), T8 (75% RDF + 5 t FYM ha-1) respectively during both the years due to higher residual fertility of respective organics. Productivity and NPK uptake both in wheat and pearl millet also increased significantly with uses of RDF, FYM and Zn levels. The study revealed that integrated use of organic manures fertilizers can play a key role in improving crop productivity, nutrient uptake and soil fertility in wheat-pearl millet sequence in Agra region.