不同施肥制度对土壤肥力及玉米产量的影响

doi:10.7668/hbnxb.2010.01.042

摘要/Abstract

摘要： 在潮土上进行了年的定位试验,研究了不同施肥制度对土壤肥力和玉米产量的影响.结果表明:长期均衡施肥(NPK、M、NPKM),可以显著提高土壤全氮、全磷、速效氮、有效磷等肥力指标以及玉米产量,尤以M处理增幅最大,与本底值相比,土壤全氮、全磷、速效氮和有效磷含量分别增加了1.00%,24.81%,18.97%和21.43%;而不均衡施肥(N、NK、NP)导致相应的营养元素的含量降低.分析表明,在潮土上施氮肥和磷肥对提高玉米产量具有重要的作用.

关键词: 土壤肥力, 施肥制度, 定位试验, 玉米, 产量

Abstract: A study on soil fertility and maize yield with different fertilization systems were carried out in fluvo aquic soil in Tianjin. The results indicted that maize yield of NPK, M and NPKM treatments were greater than other treatments. The contents of total N and total P, alkali-hydrolyzed nitrogen and available P increased in NPK, M and NPKM treatments. Especially in the M treatment, the contents of total N and total P, alkali-hydrolyzed nitrogen and available P increasedby 15.00%, 24.81%, 18.97% and 21.43%, respectively. On the contrary, total N and P were exhausted in the treatments without N or P fertilizer. Similar trends were observed in the case of alkali-hydrolyzed nitrogen and available P in the treatments without N and P fertilizers. The N and P fertilizers had significant yield-increasing effects on maize in fluvo-aquic soil.

Key words: Soil fertility, Fertilizer regime, Location test, Maize, Yield

中图分类号:

S153.6

杨兆顺, 吴俊强, 钱芳, 楼辰军. 不同施肥制度对土壤肥力及玉米产量的影响[J]. 华北农学报, 2010, 25(1): 208-212. doi: 10.7668/hbnxb.2010.01.042.

YANG Zhao-shun,WU Jun-qiang,QIAN Fang,LOU Chen-jun. Effects of Different Fertilizer Treatments on Soil Fertility and Maize Yield[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2010, 25(1): 208-212. doi: 10.7668/hbnxb.2010.01.042.

http://www.hbnxb.net/CN/Y2010/V25/I1/208

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