Author: WEAVER (John Ernest)

Description

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.

Card ID: 480

Author: WEAVER (John Ernest)

Description

D EPOS Tur WEAVER (John Ernest). Root dovelopment in the graculand formtion: a correlation of the rpot systenof native vegetation and orop 1ant s. [With a bibliography.] (Carnegie Institution of Washington. Publication No. 292.1 pp. 151. P].atesarnt folded. maps. 0 8 . Washington, 1920.

Card ID: 482

Author: WEAVER (John Ernest)

Description

DE?OSITOR WEAVER (John Ernest). See crrs (F • E.) and WEAVER (J. E,) &‘cperimental vegetation: the relation of olirnaxes to o1inmf,e, etc. Washington, 1924.

Card ID: 484

Author: WEAVER (John Ernest)

Description

OPOSITORY WEAVER (John Ernest). Sec JEAN(F.a.)andWEAVn(J.E.) Root behav1our arid crop yield under irriaiorA, etc. Wah1.ngton, 1924.

Card ID: 485