郧西县中稻肥料效应试验与推荐施肥研究

doi:10.14088/j.cnki.issn0439-8114.2019.18.007

湖北农业科学 ›› 2019, Vol. 58 ›› Issue (18): 29-32.doi: 10.14088/j.cnki.issn0439-8114.2019.18.007

郧西县中稻肥料效应试验与推荐施肥研究

谢从松¹, 郭可威², 赵同根²

1.新型肥料湖北省工程实验室,武汉 430070;
2.郧西县土壤肥料工作站,湖北十堰 442600

收稿日期:2019-01-28 出版日期:2019-09-25 发布日期:2019-11-08
作者简介:谢从松（1986-）,男,湖北黄冈人,农艺师,主要从事土壤肥料技术和植物营养研究工作,（电话）13720164939,（电子信箱）xiecongsong@163.com。

Effects of fertilizer and recommended fertilization study of mid-season rice in Yunxi county

XIE Cong-song¹, GUO Ke-wei², ZHAO Tong-gen²

1.Hubei Engineering Laboratory of New Fertilizer,Wuhan 430070,China;
2.Yunxi Soil and Fertilizer Station,Shiyan 442600,Hubei,China

Received:2019-01-28 Online:2019-09-25 Published:2019-11-08

摘要/Abstract

摘要： 对郧西县4个不同乡镇代表性田块中稻进行“3414”肥料效应试验,初步研究勋西县地区不同氮、磷、钾肥用量对中稻产量和经济效应的影响;同时得到各肥料养分施用量与中稻产量的三元二次和一元二次回归效应方程,并预测各试验田块中稻的最佳施肥量。结果表明,所试区域田块影响中稻产量的最关键因素是氮,其次是磷,钾影响最小;不施肥较合理施肥平均减产率为39.1%,初步说明所试田块一季不施肥,会造成较大幅度减产,作物产量对肥料的依赖性较大;推荐试验田块及其代表区域田块中稻较合理的肥料养分施用量为纯N 160~200 kg/hm²、P₂O₅ 60~80 kg/hm²、K₂O 40~60 kg/hm²。

关键词: 中稻, 测土配方, 肥料效应, 推荐施肥, “3414”试验;, 郧西县

Abstract: The effects of different amounts of nitrogen fertilizer, phosphate fertilizer and potassium fertilizers on mid-season rice yield in Yunxi county were studied by experiment on mid-season rice "3414" in representative fields of four different townships in Yunxi county. At the same time, the ternary quadratic and quadratic equation of one variable regression effects equations of nutrient application rate and mid-season rice yield were obtained, and the optimal fertilization amount of the rice in each field was predicted. The results showed the most critical factor affecting the yield of mid-season rice in the tested area was nitrogen, followed by phosphorus, which was the least affected by potassium. The average yield reduction without fertilizer was 39.1% compared with the more reasonable fertilization. It was preliminarily indicated that the yield of the experimental field without fertilizer in one season will be reduced to a large extent and crop yield is more dependent on fertilizer. The application of N 160~200 kg/hm², P₂O₅ 60~80 kg/hm², K₂O 40~60 kg/hm² were more reasonable fertilization in experimental field and representative fields.

Key words: middle-season rice, soil testing formula, fertilizer effect, recommended fertilization, "3414" test, Yunxi county

中图分类号:

S511.3⁺2

谢从松, 郭可威, 赵同根. 郧西县中稻肥料效应试验与推荐施肥研究[J]. 湖北农业科学, 2019, 58(18): 29-32.

XIE Cong-song, GUO Ke-wei, ZHAO Tong-gen. Effects of fertilizer and recommended fertilization study of mid-season rice in Yunxi county[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(18): 29-32.

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郧西县中稻肥料效应试验与推荐施肥研究

Effects of fertilizer and recommended fertilization study of mid-season rice in Yunxi county

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