石灰性田种植超级水稻最大施肥效应研究初报
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摘要
为探索石灰性田氮磷钾肥料投入量对超级水稻最大施肥效应的影响,引导农民科学施肥,采用田间小区试验,研究了石灰性田种植超级水稻最大施肥效应。经过回归分析,建立了超级水稻产量(y)与氮、磷、钾施用量(X1、X2、X3)的肥料效应函数模型,加上线性平台拟合和肥料互作效应与地力丰缺分析,结合目标产量、相关物价和施肥效益等情况综合分析与评估。初步结果表明,石灰性田种植超级水稻最大施肥效应肥料投入:N 184.5 kg/hm2、P2O569.0kg/hm2、K2O 162.0 kg/hm2,最大施肥效应产量8146.5kg/hm2,比N0P0K0处理(CK)增产稻谷3409.65kg/hm2,增长71.98%,增加施肥效益5753.72元/hm2,产投比为3.37。
In order to research the influence of input amount of NPK fertilizers on the effect of maximum fertilization for super rice, guide farmers to apply fertilizer, the field trials are conducted to study the effects of super rice cultivation with maximum fertilization. The model of super rice yield(y)and NPK fertilizer response function(X1、X2、X3) is established through the regression analysis, combined with linear platform fitting,fertilizer animation effects and soil nutrient analysis, present comprehensive analysis and assessment under target yield, relative prices and fertilizer efficiency. Preliminary results show that the input for maximum fertilization in calcareous field cultivation are including: N184.5 kg/hm2、P2O569.0kg/hm2、K2O 162.0 kg/hm2,the output of yield is 8146.5kg/hm2, compare with the contrast of N0P0K0treatment(CK), increase rice yield3409.65kg/hm2 with 71.98% growth rate, increase the profit RMB5753.72 yuan/hm2,the ratio of production against input is 3.37.
In order to research the influence of input amount of NPK fertilizers on the effect of maximum fertilization for super rice, guide farmers to apply fertilizer, the field trials are conducted to study the effects of super rice cultivation with maximum fertilization. The model of super rice yield(y)and NPK fertilizer response function(X1、X2、X3) is established through the regression analysis, combined with linear platform fitting,fertilizer animation effects and soil nutrient analysis, present comprehensive analysis and assessment under target yield, relative prices and fertilizer efficiency. Preliminary results show that the input for maximum fertilization in calcareous field cultivation are including: N184.5 kg/hm2、P2O569.0kg/hm2、K2O 162.0 kg/hm2,the output of yield is 8146.5kg/hm2, compare with the contrast of N0P0K0treatment(CK), increase rice yield3409.65kg/hm2 with 71.98% growth rate, increase the profit RMB5753.72 yuan/hm2,the ratio of production against input is 3.37.
引文
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[2]张德军.利用“3414”试验设计进行水稻测土配方施肥研究[J].中国土壤与肥料,2009,(6):52-56.
[3]谢玲译,涂仕华校.肥料在世界粮食增长中的作用[J].高效施肥,2009,23:46-53.
[4]宾士友,陈松,黄武龙,等.2010年广西主要农作物科学施肥指导意见[J].西南农业学报,2011,24(增刊):115-117.
[5]高祥照,马常宝,杜森.测土配方施肥技术[M].北京:中国农业出版社,2005:8-13.
[6]易琼,张秀芝,何萍,等.氮肥减施对稻麦轮作体系作物氮素吸收、利用的影响[J].高效施肥,2010,(24):69-73.
[7]唐伟天,刘存和,陈述惠,等.博白县水稻施肥配方筛选[J].西南农业学报,2011,(24):54-56.
[8]By T.W.Bruu Isema,C.Witt,Femando Garcia,等.普通适用的肥料最佳管理框架[J].高效施肥,2008,(21):3-7.
[9]胡国智,张炎,胡伟,等.施磷对棉花磷素吸收、利用和产量的影响[J].高效施肥,2012,5(28):19-25.
[10]刘双全,李玉影,姬景红,等.依安县玉米钾肥适宜用量试验研究[J].高效施肥,2010,25:49-52.
[11]郭壮心,邱宗安.沙泥田水稻氮磷钾配施效应研究[J].广西农业科学,2008,39(2):206-209.
[12]章明清,林仁埙,林代炎,等.极值判别分析在三元肥效模型推荐施肥中的作用[J].福建省农科院学报,1995,10(2):54-59.