O. Alabi, Babalola Oluwatoyin Abimbola, O. Stephen
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引用次数: 1
摘要
在以玉米为基础的生产系统中,利用肥料树种进行生物量转移是维持养分平衡的一种更可持续的手段。本研究调查了在尼日利亚半干旱地区,肥料树叶生物量作为有机肥料和尿素作为无机肥料对可持续粮食生产(即玉米作物)的综合效应。试验采用3 × 4 × 2的因子设计,分为3个重复。数据分析采用方差分析(ANOVA), p = 0.05。2014年、2015年,小叶合欢改良小区的穗轴长(12.8 kg ha-1、13 kg ha-1、12.9 kg ha-1)、单穗轴粒数(345.8 kg ha-1、311.8 kg ha-1、328.8 kg ha-1)和籽粒产量(2097.3 kg ha-1、1667.7 kg ha-1、1881.9 kg ha-1)和组合效应均显著高于小叶合欢。生长成分与产量成分呈显著正相关。与对照相比,施用氮肥和肥树提高了这些玉米品种的产量。综上所述,在土壤中施用40 kg N - hm -1氮肥可改善小叶合欢的品质,提高2009年EVAT和DMR-ESR-7玉米品种的产量。
Combined Effects of Organic and Inorganic Fertilizers on Maize for Sustainable Food Supply in Semi-Arid, Nigeria
Biomass transfer using fertiliser tree species is a more sustainable means for maintaining nutrient balances in maize based production systems. This research investigated the combined effects of incorporation of leafy biomass of fertilizer trees as organic fertilizer and urea as inorganic fertiliser for sustainable food production viz-a-viz maize-based crop in semi-arid, Nigeria. The experiment was laid out as 3 x 4 x 2 factorial in a split-split plot design with three replicates. Data were analysed using Analysis of Variance (ANOVA) at p =.05. Albizia lebbeck amended plots consistently had significantly higher values in 2014, 2015 and combined means (12.8 kg ha-1, 13 kg ha-1, 12.9 kg ha1) of cob length, (345.8 kg ha-1, 311.8 kg ha-1, 328.8 kg ha-1) of grains per cob and grain yield (2097.3 kg ha-1, 1667.7 kg ha-1, 1881.9 kg ha-1) throughout the cropping seasons and combinedeffect respectively compared to Parkia biglobosa. Positive significant correlation was experienced between the growth and yield components. Inclusion of nitrogen fertilizer and fertilizer trees improved the production of these maize varieties compared to control. It is therefore concluded that incorporation of Albizia lebbeck with up to 40 kg N ha-1 rate of nitrogen fertilizer into the soilimproved its quality for better yield of both 2009 EVAT and DMR-ESR-7 maize varieties.