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采用土壤养分状况系统研究法,对浙江省两种典型酸性红壤进行了化学分析、吸附试验和盆栽试验.结果表明,供试的龙游团石桔园土壤的养分障碍因子依次为缺P、低pH、缺N、缺K、缺B、缺Mo和缺Mg;供试的龙游坞堪棉田土壤则依次为缺P、缺N、缺K、缺Mg和缺B.应用土壤养分系统研究法,可快速、准确地确定土壤养分的丰缺状况,为肥料试验和推荐施肥提供依据,但在实际应用中尚有值得进一步改进和完善之处.
Based on the systematic study of soil nutrient status, chemical analyzes, adsorption experiments and pot experiments were conducted on two typical acidic red soils in Zhejiang Province. The results showed that the soil nutrient barriers of Longtou Mission Orange Garden were lack of P, low pH, lack of N, lack of K, lack of B, lack of Mo and lack of Mg. Followed by lack of P, lack of N, lack of K, lack of Mg and lack of B. The application of soil nutrient system research method can quickly and accurately determine the abundance and deficiency of soil nutrients and provide the basis for fertilizers test and recommended fertilization. However, there are still some areas worth further improvement and perfection in practical application.