广东省土壤磷素状况及磷肥需求预测  

Phosphorous Situation in Soil and Demand Prediction for P Fertilizer of Guangdong Province

作　　者：谢春生[1] 周修冲[1] 姚丽贤[1] 

机构地区：[1]广东省农科院土肥所,广州510640

出　　处：《土壤肥料》2003年第1期13-15,共3页Soils and Fertilizers

摘　　要：阐明了广东省不同耕作制下 ,土壤速效磷含量差异很大 ,大致为菜地土壤 >水稻田 >果园土壤 ;预测广东省年磷肥需求量应在 2 0 0 0年的基础上增加 3 0 %～ 44.4%。指出磷肥使用中存在的问题 ,建议加强磷肥领域的研究 ,促进因土因作物适量配施磷肥。The available phosphorous situations in soils of Guangdong province are narrated approximately as vegetable soil> paddy soil>orchard soil. It is predicted that the consumption rate of P fertilizer per year in Guangdong should increase by 30%～44.4% over 2000. Researches on P fertilizer are promoted to apply P properly according to soil conditions and crop species.

关 键 词：广东 土壤 磷素 需求量 耕作制度 

分 类 号：S153[农业科学—土壤学]