Studies on the forms and availability of soil organic phosphorus
Bower, C.A.
Studies on the forms and availability of soil organic phosphorus - Iowa 1949 - 963-996 p. - Soil Iowa Agricultural Experiment Station. Research Bulletin No. 362 .
Studies on the forms and availability of soil organic phosphorus - Iowa 1949 - 963-996 p. - Soil Iowa Agricultural Experiment Station. Research Bulletin No. 362 .