河套灌区玉米一穴双株增密高产栽培主要技术指标的研究
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摘要
运用二次正交回归旋转组合设计,于2017年和2018年对河套灌区玉米一穴双株增密高产栽培产量与密度、氮肥和磷肥用量关系进行了研究,并建立了产量与各因素之间的数学模型。结果表明:以两年试验建立的模型进行优化筛选,获得河套灌区玉米一穴双株增密高产(产量≥16 500 kg/hm2)栽培技术措施的指标为:密度96 675～97 920株/hm2,氮(N)420.75～431.55 kg/hm2,磷(P2O5)288.30～299.70 kg/hm2。
By using a quadratic orthogonal regression rotary combination design,the relationship between yield and density,andnitrogen and phosphorus fertilizer consumption by maize in Hetao irrigation area planted by technology of double plants in one hole,were studied in 2017 and 2018.Mathematical models between yield and various factors were established.After optimization and selection of models for the two years,the technical indexes for maize planted by double plants in one hole in Hetao irrigation area were obtained.The indexes for yield ≥16 500 kg/hm2 showed that density is 96 675-97 920 plants/hm2;while N dosage is 420.75-431.55 kg/hm2;and P2 O5 dosage is 288.30-299.70 kg/hm2.
By using a quadratic orthogonal regression rotary combination design,the relationship between yield and density,andnitrogen and phosphorus fertilizer consumption by maize in Hetao irrigation area planted by technology of double plants in one hole,were studied in 2017 and 2018.Mathematical models between yield and various factors were established.After optimization and selection of models for the two years,the technical indexes for maize planted by double plants in one hole in Hetao irrigation area were obtained.The indexes for yield ≥16 500 kg/hm2 showed that density is 96 675-97 920 plants/hm2;while N dosage is 420.75-431.55 kg/hm2;and P2 O5 dosage is 288.30-299.70 kg/hm2.
引文
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[4]王春梅,王智功,张顺,等.玉米宽覆膜高密度栽培技术种植优势分析[J].内蒙古农业科技,2012,40(3):39-40.
[5]黎银忠,陈国银,曾红刚.等.玉米一穴双株与一穴单株种植模式对比试验研究[J].现代农业科技,2014(8):9-10.
[6]黄素芳,徐玉鹏,李荣华,等.玉米一穴双株种植模式研究[J].河北农业科学,2014,18(2):22-24.
[7]党久占,张建中,李岩,等.河套灌区玉米一穴双株高密度高产栽培试验初报[J].北方农业学报,2016,44(1):19-22.
[8]党久占,樊秀荣,薄中华,等.河套灌区玉米一穴双株高密度栽培最佳施肥量的研究[J].北方农业学报,2017,45(2):7-10.
[9]武占会,高志奎,毛学英,等.应用Excel计算正交旋转组合设计回归方程[J].计算机与农业,2000(12):17-18.
[10]李志西,杜双奎.试验优化设计与统计分析[M].北京:科学出版社,2015.
[11]党久占,朱雪峰,吕志敏,等.玉米新品种先玉696高产栽培技术研究[J].内蒙古农业科技,2014,42(6):14.
[12]王显立,王惠,肖莉,等.鄂玉10号高产栽培技术数学模型研究[J].农技服务,2011,28(9):1249-1250.