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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/13059

Title: Combined use of millet glume-derived compost and mineral fertilizer enhances soil microbial biomass and pearl millet yields in a low-input millet cropping system in Niger
Authors: Issoufa, Bachir Bounou
Ibrahim, Ali
Abaidoo, Robert Clement
Ewusi- Mensah, Nana
Keywords: Low-input
productivity
composting
millet
nutrient use efficiency (NUE
Issue Date: 13-Dec-2018
Publisher: Archives of Agronomy and Soil Science
Citation: Archives of Agronomy and Soil Science
Abstract: A two-year field experiment was conducted in Niger to explore the effects of integrated use of millet glume-derived compost (MGD-Compost) and NP fertilizer on soil microbial biomass carbon (Cmic), nitrogen (Nmic) and millet yields. Three compost rates (3000 kg ha−1, 1500 kg ha−1 and 0 kg ha−1) and three NP fertilizer rates (100%, 50% and 0% of recommended NP fertilizer) were arranged in a factorial experiment organized in a randomized complete block design with three replications. Combined application of compost and NP fertilizer induced a synergistic effect on Cmic and Nmic. Compost application increased millet grain yield from 59% to 91% compared to control. Combined application of compost and NP fertilizer increased millet grain yields from 57% to 70% in 2013 and from 36% to 82% in 2014 compared to sole application of mineral fertilizer. Agronomic efficiency (AE) of nitrogen values increased by 3.7 and 2.3 times than those of sole NP fertilizer application in 2013 and 2014, respectively. Phosphorus AE was 1.6 times higher than that of the sole application of NP fertilizer. These findings indicate that integrated application of MGD-Compost and NP fertilizer enhances soil microbial biomass content and increases millet grain yield in a low-input cropping system.
Description: This article has been published in Archives of Agronomy and Soil Science and is available at https://doi.org/10.1080/03650340.2018.1554247
URI: 10.1080/03650340.2018.1554247
http://hdl.handle.net/123456789/13059
Appears in Collections:College of Science

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