Pollination requirements of fruits and nuts Griggs, William H. (William Holland), 1916-2008 creator text book [Berkeley, Calif.] College of Agriculture, University of California [1953] 1953
print
ENG On cover: California Agricultural Experiment Station [and] Extension Service. Fertilization of plants Pollination Circular (California Agricultural Experiment Station), 424 https://www.biodiversitylibrary.org/bibliography/61057 a53009482 10.5962/bhl.title.61057 California. Univ. Libr.