Effect of Biofertigation and Chemical Fertilizers on Yield Attributes and Yield of Rabi Maize (Zea mays L.)

International Journal of Economic Plants Pub Date : 2022-05-28 DOI:10.23910/2/2022.0466a

A. Kiran, K. A. Kumar, M. Devi, B. Naik, S. Triveni

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Abstract

A field experiment was conducted on maize (Zea mays L.) during rabi (November - February), 2018–19 to study the effect of drip fertigation of Nitrogen (N), Potassium(K) and microbial consortium (MC) at Water Technology Centre, College of Agriculture, PJTSAU, Rajendranagar, Hyderabad. The experiment was laid out in randomized block design and replicated thrice. The treatments, comprising of two fertility levels viz., 75% and 100% recommended dose (RD) of N&K as first factor and biofertigation of MC as second factor. The interaction effect between RD of N, K and biofertigation of MC was not significant. Significantly higher cob length, cob girth, number of rows cob-1, cob weight, number of grains cob-1 and grain weight cob-1 were recorded with fertigation of 100% RD of N&Kcompared to 75% RD of N&K and five MC biofertigation recorded significantly higher cob length, cob girth, number of rows cob-1, cob weight , number of grains cob-1 and grain weight cob-1 than that of treatment without application of MC and was on par with biofertigation of MC three times. Maize grain and stover yield recorded with 100% RD of N&K were significantly higher compared to 75% RD of N&K. Biofertigation of MC five times and three times were on par and recorded significantly higher grain and stover yield compared to treatment without application of MC. Significantly lower grain and stover yield were observed under treatment without application of MC

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生物施肥与化肥对拉比玉米产量性状及产量的影响

2018 - 2019年6月(11 - 2月)，在海得拉巴Rajendranagar, PJTSAU农业学院水技术中心对玉米(Zea mays L.)进行了滴灌施肥试验，研究了氮(N)、钾(K)和微生物联盟(MC)的效果。试验采用随机区组设计，重复3次。这些处理包括两个生育水平，即75%和100%的N&K推荐剂量(RD)作为第一因子，MC的生物培养作为第二因子。N、K的RD与MC的生物育化之间的互作效应不显著。与75%的氮磷钾相比，施用100%氮磷钾可显著提高玉米的穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗重、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗长、穗重、穗重。100%氮磷钾处理的玉米籽粒和秸秆产量显著高于75%氮磷钾处理。施用有机肥5次和3次生物施肥效果相当，籽粒和秸秆产量显著高于未施用有机肥处理，而未施用有机肥处理的籽粒和秸秆产量显著低于未施用有机肥处理

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International Journal of Economic Plants

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