Ecology, Environment and Conservation Paper

EFFECT OF INM ON APPARENT RECOVERY AND NUTRIENT EFFICIENCIES OF WHEAT IN ALLUVIAL SOILS OF MADHYA PRADESH, INDIA

Jaideep Singh Bhadauirya, S.K. Trivedi, B.L. Prajapati, Ajay Singh, Anita Bhadauriya and A.K.S. Bhadouria

Abstract

A field experiment was conducted during the rabi season of 2013-14 and 2014-15 on sandy clay loam soil to evaluate the effect of integrated nutrient management on nutrient uptake of wheat (Triticum aestivum L.) at Research Farm, College of Agriculture, Gwalior. The experiment consisted twelve integrated nutrient management treatments. The results revealed that the significantly higher harvest index was recorded with the application of 100% RDF + FYM 2.5t/ha + Azotobactor + PSB over control. The apparent recovery of N and P were noted maximum with 100% RDF + FYM 2.5t/ha+ Azotobactor + PSB while, uptake efficiency of N and P were recorded highest with FYM 5t/ha + Azotobactor + PSB. The apparent recovery and uptake efficiency of K recorded maximum with the application of 75% RDF + Azotobactor + PSB. The agronomic efficiency of N and P were recorded maximum with application of 10t FYM which was closely followed by 100% RDF + FYM2.5t/ha + Azotobactor + PSB, however, 100% RDF + FYM 2.5t/ha + Azotobactor + PSB gave the highest agronomic efficiency of K. The application of FYM5t/ha + Azotobactor + PSB was recorded maximum utilization efficiency of N, P and K. However, application of 150% proved best and recorded maximum utilization efficiency of Zn, Fe, Cu and Mn.