PJB-2024-538
Effect of Biochar and Phosphate Solubilizing Bacteria (PSB) with Diammonium Phosphate and Nitrophos on Maize Growth Attributes
Muhammad Yasir
Abstract
Soil amendments play a vital role in enhancing soil fertility and crop productivity. This study aims to analyze the synergistic effect of phosphate solubilizing bacteria (PSB) along with bio-char (BC), to the efficacy of two mineral fertilizers including nitrophos (NP) and diammonium phosphate (DAP) for growing maize. A pot experiment was conducted to compare and contrast the effects of different combinations of PSB, soil amendments as compost and bio-char with fertilizers on nutrient availability and growth of spring maize. Eight treatments as T1 = DAP, T2 = NP, T3 = DAP+PSB, T4 = NP+PSB, T5 = BC+DAP, T6 = BC+NP, T7 = BC+DAP+PSB, T8 = BC+NP+PSB, were evaluated in this trial. The experiment was executed under a completely randomized design (CRD) with three replications. The research experiment as per the treatment plan was arranged in lath house. Seeds of spring maize were sown. Soil and plant parameters were studied at the harvest, where soil samples were compared among the treatments and with control to evaluate the effects of amendments. The data were assessed with analysis of variance technique and means compared using least significance difference test using statistical software STATISTIX 8.1. The results demonstrated that combining organic amendments (biochar) and PSB with DAP and NP significantly enhanced maize growth parameters, including plant height, shoot, and root length, compared to the use of chemical fertilizers alone. The treatment that included, biochar, and PSB along with DAP and NP resulted in the highest grain yield, reflecting improved nutrient availability and uptake. Moreover, soil health indicators, such as organic matter content and microbial activity, were positively influenced by the integrated approach, highlighting its potential for sustainable maize production. This study suggests that the combined use of organic and inorganic fertilizers can lead to enhanced maize productivity while promoting soil health.
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