论文部分内容阅读
本文阐述了海南胶园土壤肥力区划的目的、意义、原则和依据。根据海南胶园土壤肥力现状和橡胶树施肥效果,将胶园土壤划为4大类,即Ⅰ类缺磷钾富氮镁铁粘质土,Ⅱ类缺磷镁富钾硅铝壤质土,Ⅲ类缺磷的肥力偏低土,Ⅳ类缺氮磷钾镁低肥力砂性土。对每类型土壤分别说明其肥力特性及应采取的施肥措施。
This article elaborated the purpose, significance, principle and basis of Hainan rubber garden soil fertility zoning. According to the status of soil fertility and rubber tree fertilization in rubber plantation in Hainan Province, the rubber plantation soils were divided into four categories, ie, Class I phosphorus and potassium-deficient magnesite iron clays, Class II phosphorus and magnesium-deficient potassium silico-aluminous loamy soil, Phosphorus-deficient fertility low soil, Ⅳ class of nitrogen-deficient phosphorus-potassium-magnesium low-fertility sandy soil. For each type of soil, the fertility characteristics and the fertilization measures to be taken should be described respectively.