Study on the NPK nutrient balance of cultivated soils in Quanzhou
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摘要: 通过5a的耕地土壤定位监测结果表明,在常规施肥和管理水平条件下,各个监测点的土壤养分平衡状况是氮磷有盈余而钾亏缺严重。今后应调整施肥结构,稳氮、控磷、增钾,以有机肥为主,有机无机结合,培肥地力。Abstract: Cultivated soil in Quanzhou City had been monitored for 5 years.The results showed that applying fertilizer with the routine management, caused the surpluse of nitrogen.phosphorus in the soil but the potassium lost seriously.Fertilizer-Applying structure needs to be adjusted to steady nitrogen fertilizer, control the phosphorus fertilizer, increase the potassium fertilizer, rely mainly on the organic fertilizer.
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Key words:
- Cultivated soils /
- Fixed-site inspect /
- Nutrient balance
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