Books by Leonard H. Day
Total count: 8
Pear blight control in CaliforniaCollege of Agriculture, University of California1928-01-01
Zinc chloride treatment for pear blight cankersUniversity of California, College of Agriculture1930-01-01
Nematode-resistant rootstocks for deciduous fruit treesUniversity of California, College of Agriculture, Agricultural Experiment Station1944-01-01
Apple, quince, & pear rootstocks in CaliforniaCollege of Agriculture, University of California1947-01-01