Integration of Mycorrhizae, Azotobacter and Pseudomonas spp (PSB) with NPK and their Effects on Sugarcane Crop and Soil Health in Uttar Pradesh, India

IF 1.8 3区农林科学 Q2 AGRONOMY

Sugar Tech Pub Date : 2024-11-09 DOI:10.1007/s12355-024-01513-x

M. K. Tripathi, S. K. Shukla, V. P. Jaiswal, Lalan Sharma, Mona Nagargade, A. D. Pathak, A. P. Dwivedi, Ankur Tripathi, V. K. Singh, V. P. Singh, Ajay Ranka

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Abstract

An experiment was conducted to assess the effect of Mycorrhiza product (endo/ectomycorrhiza) along with microbial consortium (MC) containing Azotobacter spp (N fixer) and phosphate-solubilizing bacteria (Pseudomonas spp) and Enterobacter spp (K solubilizer) with and without recommended dose of fertilizer dose (RDF) for sugarcane plant and ratoon crops in subtropical India. The effect of various treatment combinations was recorded on soil quality parameters, tillering pattern, dry matter accumulation of sugarcane (plant) and ratoon crops and soil microbial population after the sugarcane (plant)–ratoon cycle was completed. Applying Mycorrhiza product at 50/kg/ha + MC + RDF in plant and ratoon crops accumulated dry matter 36.88 t/ha and 31.38 t/ha, respectively, and was found at par with Mycorrhiza product₁₀₀ + MC + RDF (39.51 t/ha and 33.95 t/ha in plant and ratoon crops, respectively). A higher rate of increase in P (10.67 kg/ha) was recorded in the soil after harvesting of ratoon crop than initial status (16.47 kg/ha). Mean SMBC after harvesting of sugarcane plant crop was recorded as 150.9 µg C/g soil vis-à-vis 221.3 µg C/g soil after harvest of ratoon crop. Applying Mycorrhiza product at 100 kg/ha + MC + RDF produced a mean sugarcane yield of 99.03 t/ha. Individual cane length also improved up to 283 cm with Mycorrhiza product₁₀₀ + MC + RDF (T₄) application. However, elongation in cane length and diameter also improved individual cane weight (962 g) by applying Mycorrhiza product₁₀₀ + MC + RD. Individual cane weight in different treatments ranged from 866 to 962 g. Applying Mycorrhiza product @ 50 kg/ha along with MC and RDF was found at par with Mycorrhiza product @ 100 kg/ha along with the use of MC and RDF. Mycorrhiza product@100 kg/ha + Microbial Consortia and 100% NPK resulted in 19.31% and 16.99% higher cane yields over 100% NPK alone in sugarcane plant and ratoon crops, respectively. Applying Mycorrhiza product + MC + RDF could also improve soil microbial biomass carbon and microbial population. Thus on the basis of economics, application of Mycorrhiza product @ 50 kg/ha along with microbial consortia and recommended dose of fertilizers (RDF) was found the best option and increased the B/C ratio (1.96 and 1.83, in plant and ratoon crops, respectively).

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在印度亚热带地区进行了一项实验，以评估菌根产品（内生/外生菌根）与包含氮固定菌、磷酸盐溶解菌（假单胞菌属）和肠杆菌（钾溶解菌）的微生物复合菌群（MC）在施用或不施用推荐剂量化肥（RDF）的情况下对甘蔗植株和轮作作物的影响。甘蔗（植株）-轮作周期结束后，记录了各种处理组合对土壤质量参数、分蘖模式、甘蔗（植株）和轮作作物干物质积累以及土壤微生物数量的影响。施用 50/kg/ha + MC + RDF 的菌根产品种植甘蔗和套种作物，干物质积累量分别为 36.88 吨/公顷和 31.38 吨/公顷，与施用 100 + MC + RDF 的菌根产品种植甘蔗和套种作物的干物质积累量（分别为 39.51 吨/公顷和 33.95 吨/公顷）相当。与最初的状态（16.47 千克/公顷）相比，收获后土壤中的钾增加率（10.67 千克/公顷）更高。甘蔗收割后的平均 SMBC 值为 150.9 微克 C/克土壤，而轮作收割后的平均 SMBC 值为 221.3 微克 C/克土壤。施用菌根产品 100 公斤/公顷 + MC + RDF 的甘蔗平均产量为 99.03 吨/公顷。施用菌根产品 100 + MC + RDF（T4）后，甘蔗的单根长度也增加到 283 厘米。然而，通过施用菌根产品 100 + MC + RD，甘蔗长度和直径的伸长也提高了单根甘蔗的重量（962 克）。不同处理的甘蔗单重在 866 至 962 克之间。菌根产品 @ 50 千克/公顷与 MC 和 RDF 的施用效果与菌根产品 @ 100 千克/公顷与 MC 和 RDF 的施用效果相当。菌根产品 @ 100 公斤/公顷 + 微生物复合菌群和 100% NPK 比单独使用 100% NPK 的甘蔗和轮作甘蔗产量分别高出 19.31% 和 16.99%。施用菌根产品 + MC + RDF 还能提高土壤微生物的生物量碳和微生物数量。因此，从经济学角度来看，施用菌根产品 @ 50 千克/公顷、微生物菌群和推荐剂量的肥料（RDF）是最佳选择，可提高植物和轮作作物的生物量/碳比（分别为 1.96 和 1.83）。

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来源期刊

Sugar Tech AGRONOMY-

CiteScore

3.90

自引率

21.10%

发文量

145

期刊介绍： The journal Sugar Tech is planned with every aim and objectives to provide a high-profile and updated research publications, comments and reviews on the most innovative, original and rigorous development in agriculture technologies for better crop improvement and production of sugar crops (sugarcane, sugar beet, sweet sorghum, Stevia, palm sugar, etc), sugar processing, bioethanol production, bioenergy, value addition and by-products. Inter-disciplinary studies of fundamental problems on the subjects are also given high priority. Thus, in addition to its full length and short papers on original research, the journal also covers regular feature articles, reviews, comments, scientific correspondence, etc.