Kang Lingling,Wei Yichang.Effects of Soil Moisture on Dry Mass of Winter Wheat and Distribution of Nutrient Elements under Different Nitrogenous Fertilizeres[J].Research of Soil and Water Conservation,1995,2(01):27-30.
不同氮素水平下土壤水分对冬小麦干物质及养分分配的影响
- Title:
- Effects of Soil Moisture on Dry Mass of Winter Wheat and Distribution of Nutrient Elements under Different Nitrogenous Fertilizeres
- Keywords:
- soil moisture; winter wheat; nitrogenous fertilizer; nutrient
- 摘要:
- 1989-1991年采用盆栽方法，进行了不同氮素水平下土壤水分对冬小麦于物质及养分分配影响的研究，结果表明：冬小麦的生长状况与土壤水吸力（SWS）有关，同时，在同样的土壤水分条件下，冬小麦产量随着施氮量的提高而提高，当正常水分条件施氮量超过16kg/亩（N-N16）和干旱条件超过12kg/亩（D-N12）时，产量将有所下降。通过对冬小麦产量的方差分析表明：氮肥效应，水分效应以及两者的交互效应都达极显着水平。
- Abstract:
- The effect of soil moisture on dry mass of winter wheat and distribution of soil nutrients under different nitrogenous fertilizeres were studied by pot experiments in 1989~1991. It was resulted that the growing state of wheat was related to the suction of soil moisture. The grain yield was raised with the increasing amount of appenied nitrogenous fertilizer at the same soil moisture，The same soil moisture，the yield would be lowed as amount of appenied nitrogenous fertilizer over 16kg/mu or 12kg/mu at the normal soil moisture，or over 12kg/mu of apply fertilizer at the dried condition, The effects of nitrogenous fertilizer, soil moisture and both of them on the yield are remarkablebv analvs is of variance of the wheat yield.
参考文献/References:
1 黄泽在. 黑龙港地区冬小麦生产中水肥关系的研究. 土壤肥料，1983(4), 1~4
2 张国平. 小麦干物质积累和氮磷钾吸收分配的研究.全国报刊精选，1985(2), 8~19
3 张立言等. 高产冬小麦氮磷钾的积累、分配和再分配的研究. 河北农业大学学报，1987(3), 16~23
4 孙彬等. 土壤水分胁迫与施肥效果. 土壤肥料. 1988(4), 22~26
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备注/Memo
收稿日期:1994-6-30