TANG Xiao-ming.Effects of Manure on Soil Water-Conversation and Fertilizer Betterment Winter Wheat Yield In Loess Plateau Dryland[J].Research of Soil and Water Conservation,2003,10(01):130-132.
有机肥的保水培肥效果及对冬小麦产量的影响
- Title:
- Effects of Manure on Soil Water-Conversation and Fertilizer Betterment Winter Wheat Yield In Loess Plateau Dryland
- Keywords:
- Loess Plateau; organic substance; fertilizing soil effect; wheat yield
- 分类号:
- S274.1
- 摘要:
- 黄土高原连续3年的定位试验结果表明：旱地施用有机肥具有明显的培肥作用和蓄水保墒效果；平均每1hm2施有机肥112500kg，土壤有机质、全氮、速效氮、磷、钾含量试验后比试验前分别提高了36.4%、21.7%、49.7%、16.2%和44.2%，0～60cm土壤含水量比对照增加5.5mm；每1mm降水多生产小麦1.83kg，水分利用效率提高22%；小麦增产15.8%.施肥量与产量之间呈显着正相关。
- Abstract:
- Through a three year fixed field experiment, the results showed that applying manure had a significant fertilizing soil and water conversation effect;giving 112 500 kg/hm2 amount of manure, the contents of soil organic matter;total N, available N, available P and available K increased individually 36.4%, 21.7%, 49.7%, 16.2%, 44.2%, the water content of 0~60 cm soil layer increased 5.5 mm;1 mm rainfall could producemore 1.83 kg wheat and water use efficiency increased 22%;wheat yield increased by 15.8%.There is a prominent correlation between the applying amount and yield.
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备注/Memo
收稿日期:2002-11-25
基金项目:国家科技攻关项目（2001BA508B18）
作者简介:唐小明（1962- ），男，湖南郴州人，主要从事旱地作物栽培与耕作研究工作。