Leguminous plants as organic fertilizers in California agriculture
Kennedy, P.B.
Leguminous plants as organic fertilizers in California agriculture - Berkeley 1922 - 1-8 p. - Plant, Organic, Fertilier, Agriculture California Agricultural Experiment Station. Circular No. 255 .
Leguminous plants as organic fertilizers in California agriculture - Berkeley 1922 - 1-8 p. - Plant, Organic, Fertilier, Agriculture California Agricultural Experiment Station. Circular No. 255 .