Microorganisms promoting growth and mineral fertilization in soil fertility under corn and bean intercropping
DOI:
https://doi.org/10.36560/19420262215Keywords:
Soil Biota, Fertilizer, Grass, Legume, Soil QualityAbstract
Intercropping grasses and legumes stands out for its crop diversification, optimization of natural resources, and improvement of soil health, contributing to agricultural sustainability and productivity. However, soil quality has been a central concern in agriculture, especially regarding the reduction of fertility. In this context, the use of mineral fertilizers and growth-promoting microorganisms in intercropping systems of beans and corn directly influences soil quality and the productive efficiency this system. The objective was to evaluate soil fertility in a corn and bean intercropping system under the use of growth-promoting microorganisms and mineral fertilization. The work was carried out in the experimental area of the State University of Piauí, in the municipality of Picos.The experimental design was a randomized block design with four treatments and five replications, totaling 20 plots. The treatments were: control (without the application of microorganism and fertilization); Bacillus (Bacillus amyloliquefaciens, Bacillus licheniformis, and Bacillus subtilis); mix (Azospirillum brasiliense, Rhizobium tropici, Bacillus megaterilm, Bacillus subtilis, and Bacillus aryabhattai); and chemical fertilization. The organic matter content, hydrogen ion potential, potassium, phosphorus, calcium, magnesium, exchangeable aluminum, and H + Al were evaluated. Mineral fertilization showed a significant effect on phosphorus availability in soil cultivated in a corn and bean intercropping system. The isolated application of microorganisms did not show significant results for most of the chemical attributes evaluated, but a promising result was observed for the mix in the availability of phosphorus.
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Published 2026-06-17
