Acid Phosphatase Enzyme Activity and Various Growth Parameters of Common Bean as Influenced by Applications of Different Biofertilizers with Different Levels of Phosphorus Under Intercropping System

Abstract

The present study was conducted during kharif seasons of 2012 and 2013 at the Krishi Vigyan Kendra (KVK) of Shere-e-Kashmir University of Agricultural Sciences and Technology, Budgam, Jammu and Kashmir. The climate of the experimental site was temperate with mild summers and cold winters, showing wide variations in mean maximum and minimum temperatures.. Common bean variety “Shalimar Rajmash-1” and maize variety “C-15” were used for the present study. The experiment was laid out in a complete randomized design (CRD) with each treatment replicated three times. Different levels of DAP (20 and 40 kg) along with different biofertilizer combinations like Rhizobium (Rhizobium leguminosarum), Azotobacter (Azotobacter vinelandi), VAM (Glomus mosseae) have been used during the research. The results of the experiment revealed that the growth, in terms of morphology and physiology, of all the inoculated plants was much better as compared to control plants. The various growth parameters like plant height, fresh and dry weights and length of the roots of the plants inoculated with Rhizobium + VAM @ 20 kg P/ha did best as compared to other treatments as well as control. Rhizobium + VAM @ 20 kg P/ha in the present research also showed significant impact on acid phosphatase activity in roots of common bean. Significant increase in N, P and K uptake was recorded when plants were inoculated with Rhizobium + VAM @ 20 kg P/ha. Overall the significant increase in growth and development was due to positive interactions among different microorganisms leading to healthy and vigorously growing plants.