【摘要】 应用盆栽试验以及张守敬和S C Jackson无机磷分级体系和olsen法研究了在不同施磷水平下土壤磷素活化剂对黑土中Fe -P、Al -P、Ca -P、O -P及土壤有效磷的影响 ,结果表明 ,土壤磷素活化剂可提高Fe -P、Al-P、Ca -P和无机磷总量 ,增强转化土壤有效磷能力。表 5,参 8更多还原

【Abstract】 A pot experiment and Shoujing and S.C.Jackson’s inorganic phosphate grade system and olsen way have been used to study the effects of phosphorus activator on ECa-P、O-P and availaboe p fertilizer application rates,Results showed that soil phosphorus activator can improve the content of Fe-P、Al-P、ca-P and the total content of inorganic phosphate,and enhances the transformational capacity of soil available phosphorus更多还原