Effect of Microbial Consortia on Soil Health, Nutrient Uptake and Yield of Soybean Grown in a Vertisol of Central India

International Journal of Economic Plants Pub Date : 2024-02-24 DOI:10.23910/2/2024.5088a

R. K. Sahu, Iram Zehra Naqvi, G. Tagore, Vikash, R. K. Thakur, Shailu Yadav, N. G. Mitra

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Abstract

A field experiment was carried out in the research farm of the Jawaharlal Nehru Krishi Vishwa Vidhyalaya, Jabalpur, Madhya Pradesh, India during Kharif season of 2021-22. The experiment was performed with nine treatments comprised by Rhizobium, Pseudomonas, EM and their consortia with FUI and UFUI (absolute control) in randomized block design. The soybean crop was grown in the field along with recommended package of practices. The result showed that the yield of soybean was 43% higher (2351 kg ha -1) than control FUI and better uptake of N (145 kg ha-1 by seed and 125.6 kg ha-1 by straw), P (7.9 kg ha-1 by seed and 14.9 kg ha-1 by straw) and K (42.3 kg ha-1 by seed and 65.0 kg ha-1 by straw) by soybean were found due to inoculation of microbial consortia of Rhizobium, Pseudomonas and EM culture. The Physico-chemical properties (pH, EC and OC), availability of nutrients (NPK with vales of 288, 29 and 335 kg ha-1 respectively), enzymatic activities (Acid phosphatase, alkaline phosphatase and dehydrogenase activities with values of 42.2, 69. 8 µg PNG h-1 g-1 of soil and 12.9 μg TPF hr-1 g-1 of soil, respectively) and microbial population (Rhizobium by 35.1×106, total bacteria by 39.3×107, fungi by 41.9×104 and actinomycetes by 38.7×103 cfu g-1 soil) in soil also improved with the same treatment as compared to FUI. It is strongly recommended that the inoculation of microbial consortia improved the soil health and soybean production too instead of single inoculation by modulating microbial population which improves the soil health by nutrient fixation, solubilization and mobilization and plant growth promotion.

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微生物群对印度中部垂直土壤中大豆的土壤健康、养分吸收和产量的影响

在 2021-22 年印度中央邦贾巴尔普尔贾瓦哈拉尔-尼赫鲁-克里希-维什瓦-维迪亚拉亚学院的研究农场进行了一项田间试验。实验采用随机区组设计，共设 9 个处理，包括根瘤菌、假单胞菌、EM 菌及其联合菌群，以及 FUI 和 UFUI（绝对对照）。大豆作物在田间种植时采用了推荐的一揽子措施。结果表明，大豆产量（2351 千克/公顷-1）比对照 FUI 高 43%，大豆对氮（种子 145 千克/公顷-1，秸秆 125.6 千克/公顷-1）、磷（种子 7.9 千克/公顷-1，秸秆 14.9 千克/公顷-1）和钾（种子 42.3 千克/公顷-1，秸秆 65.0 千克/公顷-1）的吸收率也因接种了根瘤菌、假单胞菌和 EM 培养物的微生物联合菌群而提高。大豆的物理化学特性（pH 值、EC 值和 OC 值）、养分供应量（氮磷钾含量，分别为 288、29 和 335 千克/公顷-1）、酶活性（酸性磷酸酶、碱性磷酸酶和脱氢酶活性，分别为 42.2、69.8 µg PNG h-1 g与 FUI 相比，土壤中的酶活性（酸性磷酸酶、碱性磷酸酶和氢化酶活性值分别为 42.2、69.8 µg PNG h-1 g-1 土壤和 12.9 μg TPF hr-1 g-1 土壤）和微生物数量（根瘤菌增加 35.1×106、细菌总数增加 39.3×107、真菌增加 41.9×104、放线菌增加 38.7×103 cfu g-1 土壤）也在相同处理下得到了提高。强烈建议接种微生物菌群，而不是单一接种，因为接种微生物菌群可以通过养分固定、溶解和动员以及促进植物生长来改善土壤健康，从而提高大豆产量。

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International Journal of Economic Plants

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