Enhancing maize (Zea mays L.) productivity through optimization of brewery sludge and blended NPS fertilizer in North Mecha District, Northwestern Ethiopia

IF 1.3 Q3 AGRONOMY Agrosystems, Geosciences & Environment Pub Date : 2024-06-27 DOI:10.1002/agg2.20542
Fenta Assefa, Zenebe Gebremedhin, Teferi Alem, Yigrem Mengist, Wakjira Tesfahun Jebesa
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Abstract

Maize (Zea mays L.) is one of the most important cereal crops in Ethiopia. However, its yield is lower than its potential mainly due to low soil fertility problems caused by continuous cultivation, limited use of organic and inorganic fertilizers, erosion, and leaching. Therefore, this field experiment has been conducted to optimize brewery sludge and blended NPS fertilizer rates to harness the maximum productivity potential of maize in North Mecha District, northwestern Ethiopia. The experiment was designed in a factorial arrangement of three levels of brewery sludge (0, 10, and 20 t ha−1) and four levels of blended NPS fertilizer (0, 50, 100, and 150 kg ha−1) in a randomized complete block design with three replications. The analysis of variance showed that the main effects of the blended NPS fertilizer had significant effects on the ear length, number of kernels per row, stover yield, and 1000-kernel weight. Their interactions also had a significant effect on leaf area, leaf area index, aboveground dry biomass yield, grain yield, plant height, number of ears per plant, number of rows per ear, number of kernels per row, number of kernels per ear, and harvest index. Accordingly, the combined application of 10 t ha−1 brewery sludge and 100 kg ha−1 blended NPS fertilizer resulted in the highest grain yield (9163.4 kg ha−1), net benefit (145,590.1 ETB [Ethiopian Birr] ha−1), and marginal rate of return (3789.30%) of maize. Thus, this treatment can be tentatively recommended for the North Mecha district.

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通过优化埃塞俄比亚西北部 North Mecha 地区的酿酒厂污泥和混合 NPS 肥料,提高玉米(Zea mays L.)的产量
玉米(Zea mays L.)是埃塞俄比亚最重要的谷类作物之一。然而,其产量低于其潜力,主要原因是连续耕作、有机肥和无机肥使用有限、水土流失和沥滤造成的土壤肥力低下问题。因此,本田间试验旨在优化啤酒厂污泥和混合 NPS 肥料的施用量,以发挥埃塞俄比亚西北部 North Mecha 地区玉米的最大生产潜力。试验采用因子排列设计,即三个水平的啤酒厂污泥(0、10 和 20 吨/公顷-1)和四个水平的混合 NPS 肥料(0、50、100 和 150 千克/公顷-1),采用随机完全区组设计,三次重复。方差分析显示,混合氮磷钾肥料的主效应对穗长、每行籽粒数、秸秆产量和千粒重有显著影响。它们之间的交互作用对叶面积、叶面积指数、地上干生物量产量、谷物产量、株高、每株穗数、每穗行数、每行籽粒数、每穗籽粒数和收获指数也有显著影响。因此,联合施用 10 吨/公顷啤酒厂污泥和 100 千克/公顷混合 NPS 肥料可使玉米获得最高的谷物产量(9163.4 千克/公顷)、净收益(145590.1 埃塞俄比亚比尔)和边际收益率(3789.30%)。因此,可以初步建议在北梅查地区采用这种处理方法。
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来源期刊
Agrosystems, Geosciences & Environment
Agrosystems, Geosciences & Environment Agricultural and Biological Sciences-Agricultural and Biological Sciences (miscellaneous)
CiteScore
2.60
自引率
0.00%
发文量
80
审稿时长
24 weeks
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