江西农田土壤钾素肥力的现状、发展趋势及其对策 |
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引用本文: | 李祖章,刘光荣,袁福生,刘益仁,邹进平.江西农田土壤钾素肥力的现状、发展趋势及其对策[J].江西农业学报,2003,15(1):1-7. |
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作者姓名: | 李祖章 刘光荣 袁福生 刘益仁 邹进平 |
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作者单位: | 1. 江西省农业科学院,土壤肥料研究所,江西,南昌,330200 2. 江西省畜牧水产学校,江西,南昌,330200 |
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基金项目: | PPI/PPIC项目资助内容. |
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摘 要: | 通过对江西省第二次土壤普查、近年全省农田养分调查及10个长期定位试验资料的比较分析,详细论述了江西省农田土壤钾素肥力的现状、变化情况及发展趋势;并提出了江西必须加大化肥钾和有机肥钾的投入,只有把每年钾肥的投入加大到300kg/hm2以上,才可能保持土壤钾素肥力的平衡与提高;并针对目前江西省农田土壤钾素肥力的现状,提出了江西省钾肥应用的主要对策。
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关 键 词: | 江西 土壤钾素 肥力 现状 对策 |
文章编号: | 1001-8581(2003)01-0001-07 |
修稿时间: | 2002年12月18 |
Present Situation and Developmental Trend of Soil Potassium Fertility in Jiangxi Provincial Farmland and Countermeasure |
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Abstract: | According to the data of the Second General Soil Survey, investigation of farmland nutrients in recent years and ten experiments of long-term location in Jiangxi province, this paper analyzed the present situation and developmental trend of soil potassium fertility in farmland, and proposed that the input of K2O(chemical and organic potassium) should exceed 300kg/hm2 every year in order to enhance soil potassium fertility and keep the balance of soil potassium. Additionally, the author put forward some main countermeasures for potassium application in Jiangxi province. |
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Keywords: | Jiangxi Potassium in soil Fertility Present situation Countermeasure |
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