| 氮磷钾配施对制种玉米产量及经济效益的影响 |
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| 引用本文： | 李龙,肖让,张永玲.氮磷钾配施对制种玉米产量及经济效益的影响[J].作物杂志,2022,38(5):111-31. |
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| 作者姓名： | 李龙 肖让 张永玲 |
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| 作者单位： | 1高台县农业技术推广中心,734300,甘肃张掖2河西学院土木工程学院/河西走廊水资源保护利用研究所,734000,甘肃张掖 |
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| 基金项目： | 张掖市甘州区旱作农业节水技术推广与耕地质量提升技术研究(H2018005);张掖市甘州区耕地质量提升与化肥减量增效技术研究(H2019009);甘州区玉米制种绿色高质高效关键技术研究(H2019033);河西绿洲灌区玉米制种水肥高效利用与连作土壤障碍治理技术研究(H2020024) |
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| 摘 要： | 为完善甘肃省张掖市制种玉米施肥体系,探究氮磷钾配方施肥对氮、磷和钾肥利用率的提升效果及其对制种玉米生长与产量的调控效应,明确氮磷钾配施对土壤肥力的影响。以制种玉米为供试作物,地表滴灌为供水方式,设置配方缺氮（T1）、配方缺磷（T2）、配方缺钾（T3）、氮磷钾配方施肥（T4）、常规缺氮（T5）、常规缺磷（T6）、常规缺钾（T7）、常规施肥（T8）和不施肥（T9）9个施肥处理。结果表明,T4与T8处理产量分别为7158.9和6638.9kg/hm2,显著高于相应的缺素施肥处理;T4处理水分利用率较T8处理提高7.33%（P<0.01）,N、P、K化肥利用率分别提高5.9%、67.3%和70.2%（P<0.05）,经济效益提高9.94%,土壤养分综合指数提高20.00%。氮磷钾配方施肥能显著促进作物生长,释放高产潜力,提高水肥利用效率,提升经济效益和土壤肥力,为推荐的施肥模式。
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| 关 键 词： | 氮磷钾配施 制种玉米 水肥利用率 经济效益 土壤肥力 |
| 收稿时间： | 2021-07-09 |
Effects of Combined Application of Nitrogen,Phosphorus and Potassium on Seed Maize Yield and Economic Benefit |
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| Li Long,Xiao Rang,Zhang Yongling.Effects of Combined Application of Nitrogen,Phosphorus and Potassium on Seed Maize Yield and Economic Benefit[J].Crops,2022,38(5):111-31. |
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| Authors: | Li Long Xiao Rang Zhang Yongling |
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| Institution: | 1Agricultural Technology Extension Center of Gaotai County, Zhangye 734300, Gansu, China2School of Civil Engineering, Hexi University/Institute of Water Resources Protection and Utilization in the West Corridor, Zhangye 734000, Gansu, China |
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| Abstract: | In order to improve the fertilization system of seed production maize in Zhangye, Gansu, the improvement effect of N、P、K formula fertilization on the utilization rate of N, P and K, the regulation effect on the growth and yield of seed production maize were explored, and the influence of N, P, K combined application on soil fertility was clarified. Seed maize was used as the test crop and surface drip irrigation was used as water supply method. Formulation nitrogen deficiency (T1), formulation phosphorus deficiency (T2), formulation potassium deficiency (T3), formula fertilization (T4), conventional nitrogen deficiency (T5), conventional phosphorus deficiency (T6), conventional potassium deficiency (T7), conventional fertilization (T8) and no fertilization (T9) treatments were set. The results showed that the yields of T4 and T8 treatments were 7158.9 and 6638.9kg/ha, respectively, which were significantly higher than that of the corresponding nutrient deficiency fertilizer treatments. The water use efficiency of T4 was 7.33% (P < 0.01) higher than that of T8 treatment, and the fertilizer use efficiency of N, P and K was respectively increased by 5.9%, 67.3% and 70.2% (P < 0.05), economic benefit increased by 9.94%, soil nutrient comprehensive index increased by 20.00%. Formula fertilization can significantly promote crop growth, release high yield potential, improve water and fertilizer utilization efficiency, improve economic benefits and soil fertility, so it?s the recommended fertilization mode. |
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| Keywords: | Combined application of N P and K Seed maize Water and fertilizer utilization efficiency Economic benefit Soil fertility |
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