摘要
对莆田县土壤磷肥力特性研究结果表明 :土壤全磷与土壤有机磷、速效磷、无机磷总量均有极显著正相关 ,相关系数分别为 0 7874 、 0 7375 、 0 985 3 。土壤Fe -P和有机磷对土壤速效磷贡献最大。土壤有机磷与土壤速效磷有极显著正相关 ,相关系数为 0 80 0 9 。 1次浸提Olsen -P与 5次浸提Olsen -P有极显著正相关 ,相关系数达 0 992 2 。土壤磷酸吸收系数与土壤有机质间有极显著正相关 ,相关系数为 0 6 489 。
The paper studies about soil fertility characteristics of phosphate taking advantage of Putian's soil.The results have:Phosphoric formation in soil influences phosphoric fertility.Whole Phas obvious relativity with Organic-P,Quick Acting P and Inorganic P,its relative coefficients are 0 7874 ** ,0 7375 ** and 0 9853 ** .Main Quick Acting P of soil come fromFe P and Organic P.Organic P has obvious relativity with Quick Acting P( r =0 8009 ** ).Abstract of Olsen P once has obvious relativity with 5 times( r =0 9922 ** ).Absorbent coefficint of soil phosphoric acid has obvious relativity with soil organic matter( r =0 6489 ** ).
出处
《湖北农业科学》
2000年第5期43-46,共4页
Hubei Agricultural Sciences
关键词
磷肥力
土壤磷吸收系数
土壤肥力
土壤有机质
phosphate fertility,inorganic P,organic P,quick acting P,PAC,regressive statistics.
