SHI Dong-mei.Study on Fertilization of Rice in Cold Area Based on Soil Analysis[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(03):62-64.
寒地水稻测土配方施肥研究
- Title:
- Study on Fertilization of Rice in Cold Area Based on Soil Analysis
- 文章编号:
- 1002-2767（2012）03-0062-03
- Keywords:
- rice in cold area; soil analysis; the amount of fertilizer applied; ratio of output to input; economic benefit
- 分类号:
- S511.062
- 文献标志码:
- A
- 摘要:
- 为了科学准确地施肥，对测土配方施肥法与常规施肥方法进行了对比试验。结果表明：N2P3K2产量最高为10 422.9 kg·hm-2，其次是N2P2K2产量为10 366.9 kg·hm-2；N2P3K2产投比为14.9∶1，N2P2K2产投比为16.8∶1，因此就其经济效益来说N2P2K2比例较为合理；氮肥最佳施用量为198.7 kg·hm-2；磷肥最佳施用量为136.0 kg·hm-2；钾肥最佳施用量为152.9 kg·hm-2。
- Abstract:
- In order to achieve high efficient application of fertilizer,normal method and local method were compared in this experiment.The result showed that the highest yield was 10 422.9 kg·hm-2 with treatment of N2P3K2,the following was 10 366.9 kg·hm-2 with treatment of N2P2K2.The ratio of output to input with application of N2P3K2 was 14.9∶1,while N2P2K2 was 16.8∶1.Therefore,the economic benefit of N2P2K2was rational;The optimum amount of Nitrogen was 198.7 kg·hm-2,phosphate was 136.0 kg·hm-2 and potassium was 152.9 kg·hm-2.
参考文献/References:
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高祥照
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马常宝
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备注/Memo
作者简介：史冬梅（1970-），女，黑龙江省绥化市人，学士，高级农艺师，从事水稻育种及管理工作。E-mail：shidongmei@126.com。