Evaluation of iron oxide impregnated filter paper method as an index of phosphorus availability in paddy soils of Tanzania

Author： Shekiffu C.   Semoka J.  

Publisher： Springer Publishing Company

ISSN： 1385-1314

Source： Nutrient Cycling in Agroecosystems, Vol.77, Iss.2, 2007-02, pp. : 169-177

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