Productivity of Groundnut as Influenced by Integrated Use of Lime, Organics, Inorganic Fertilizers, and Biofertilizers in Acidic Soil of Tripura

International Journal of Plant & Soil Science Pub Date : 2022-02-01 DOI:10.9734/ijpss/2022/v34i230830

D. Dey, M. Kundu, D. Sen

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Abstract

A field experiment was carried out on acidic soil of Khowai district of Tripura during 2017 and 2018 to study the effect of application of various combinations of lime, farmyard manure (FYM), poultry manure (PM), and rhizobium with the recommended doses of NPK on groundnut (Arachis hypogaea L.) productivity. The experiment was conducted in a completely randomized block design with 13 treatments; each replicated thrice. The application of the recommended dose of NPK @ 20:60:40 kg ha-1 along with lime @ 1/5th Lime Requirement (LR), PM @ 5 t ha-1 and seed treatment with Rhizobium @ 20 g kg-1 of seed significantly increased the seed yield and recorded the highest Benefit : Cost ratio (B:C) compared to the recommended dose of NPK alone as well as other treatments combinations. Thus, in achieving higher groundnut productivity with better return in acidic soils of Tripura, integrated use of inorganic fertilizers (NPK @ 20:60:40 kg ha-1) combined with lime @ 1/5th LR, PM @ 5 t ha-1, and seed treatment with Rhizobium @ 20 g kg-1 of seed might be recommended.

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特里普拉邦酸性土壤石灰、有机肥、无机肥和生物肥配施对花生产量的影响

2017 - 2018年，在印度特里普拉邦Khowai区的酸性土壤上进行了田间试验，研究石灰、农家肥、禽粪和根瘤菌在推荐氮磷钾剂量下施用对花生产量的影响。试验采用完全随机区组设计，共13个处理;每个复制三次。施用氮磷钾推荐剂量20:60:40 kg hm -1，同时施用石灰1/5石灰需用量(LR)、PM 5t hm -1和根瘤菌种子处理20 g kg-1，显著提高了种子产量，与单独施用氮磷钾推荐剂量和其他处理组合相比，取得了最高的效益:成本比(B:C)。因此，为了在特里普拉邦的酸性土壤中获得更高的花生产量和更好的回报，建议综合使用无机肥料(NPK @ 20:60:40 kg hm -1)，结合石灰@ 1/5 LR, PM @ 5t hm -1，以及根瘤菌@ 20 g kg-1种子处理。

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International Journal of Plant & Soil Science

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