FAN Ting-lu.Fixed Fertilization Experiment on Stress Tolerance and Reducing Disasters in Dryland of Loess Plateau[J].Research of Soil and Water Conservation,2003,10(01):6-8.
提高黄土高原旱地抗逆减灾能力的肥料定位试验研究
- Title:
- Fixed Fertilization Experiment on Stress Tolerance and Reducing Disasters in Dryland of Loess Plateau
- 分类号:
- S147.2
- 摘要:
- 黄土旱塬连续5年的定位试验结果表明，单施有机肥能增加土壤有机质及全氮含量，随施用年限延长，作物产量呈上升趋势；单施氮肥易造成土壤磷失调，单加磷则造成氮失调；氮磷肥配施增产效果显着，并有较好的培肥作用；有机肥与氮磷肥配合施用具有较好的增产和土壤培肥作用，是提高旱地抗逆减灾能力的关键。
- Abstract:
- The results of a five years fixed experiment showed that manure could increase soil organic matter and total nitrogen, and the crop yield went up with the year forward of fertilization.Single nitrogen fertilizer made the imbalance of soil phosphorus and single phosphorus fertilizer caused the imbalance of soil nitrogen.The combination of nitrogen and phosphorus could increase crop yield and enrich soil fertility significantly, the combination of manure, nitrogen, and phosphorus has the same effect as well as good soil betterment.So it is suggested that the combination of different fertilizers is the key to stress tolerance and reducing disasters in Loses Plateau.
参考文献/References:
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备注/Memo
收稿日期:2002-11-25
基金项目:国家科技攻关（2001BA508B18）
作者简介:樊廷录（1965- ），男，甘肃临洮人，农学博士，研究员，主要从事旱地耕作制度研究工作。