WANG Ling-li,GU Hui-juan,SHI Yuan-liang,et al.Effects of Different Nitrogen，Phosphorus and PotassiumConcentration on Production of Maize in Sanjiang Plain[J].HEILONGJIANG AGRICULTURAL SCIENCES,2011,(12):42-46.
氮磷钾配施对三江平原玉米产量的影响
- Title:
- Effects of Different Nitrogen，Phosphorus and PotassiumConcentration on Production of Maize in Sanjiang Plain
- 文章编号:
- 1002-2767（2011）12-0042-05
- Keywords:
- maize; 3414; function of fertilizer; mathematical modeling
- 分类号:
- S143.15
- 文献标志码:
- A
- 摘要:
- 为研究适合黑龙江八五三农场地区玉米最佳施肥量，采用“3414”试验方案进行了肥效试验，拟合了肥料效应一元二次方程和三元二次方程。通过一元二次方程拟合分析得出，在该土壤条件下的最大的施氮量、施磷量和施钾量分别为147.96、85.635和44.205 kg·hm-2，最佳的施氮量、施磷量和施钾量分别为76.245、52.98和32.4 kg·hm-2。氮、磷、钾三者必须配合施用才能达到高产，任何一种营养元素受到胁迫都不利于高产。通过三元二次方程得出，在该土壤条件下，氮、磷、钾最高施肥量为N-P2O5-K2O=131.7-85.3-36.1（kg·hm-2），对应的最高产量为9 522.81 kg·hm-2。最佳施肥量N-P2O5-K2O=82.7-54.1-33.6 （kg·hm-2），其对应的产量为9 288.54 kg·hm-2。
- Abstract:
- In order to research the optimal fertilizer application in area of 853 Farm in Heilongjiang province,the field experiment of fertilizer effect was conducted using ‘3414’ method.Quadratic equation of one variable and quadratic equation of three variables were studied.According to the quadratic equation of one variable,the most fertilization N-P2O5-K2O was 147.96,85.635 and 44.205 kg·hm-2,and the most economical fertilization N-P2O5-K2O was76.245,52.98 and 32.4 kg hm-2.The three fertilizer must go together with each other,any one on the stress was not good for high yield.According to quadratic equation of three variables,the highest yield of 9 522.81 kg·hm-2would be reached when N-P2O5-K2O=131.7-85.3-36.1 kg·hm-2,The optimal fertilizer applied was N-P2O5-K2O=82.7-54.1-33.6 kg·hm-2 and yield was 9 288.54 kg·hm-2.
参考文献/References:
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备注/Memo
基金项目： “十一五”国家科技支撑计划资助项目 (2009BADB3B07)