DEPOSITORY WEAVER (John Ernest). Development and. activities of roots of crop plants: a etucy in crop ecology. By J. E. Weaver, P. C. Jean and J. W. Grist. Iwith a bibliography.) (Carnegi Jnstttution of Washington. Publication No. 316.) pp. vi. +TIV. Plates ad drams. 0 8 Washington, 1922.

Author

WEAVER, John Ernest

Language

en

Other Descriptions

Drawer

WATT - WEA