Injurious effects of premature pollination : with general notes on artificial pollination and the setting of fruit without pollination /
Hartley, Charles P.
Injurious effects of premature pollination : with general notes on artificial pollination and the setting of fruit without pollination / by Charles P. Hartley - Washington : Government printing Office, 1902 - 39 p. : ill. ; 24 cm - Bulletin. U. S. Department of agriculture, Bureau of plant industry ; n. 22 .
Injurious effects of premature pollination : with general notes on artificial pollination and the setting of fruit without pollination / by Charles P. Hartley - Washington : Government printing Office, 1902 - 39 p. : ill. ; 24 cm - Bulletin. U. S. Department of agriculture, Bureau of plant industry ; n. 22 .