What has the author A D Shamel written?

Answer 1

A. D. Shamel has written:

'Citrus-fruit improvement' -- subject(s): Accessible book, Citrus fruits, Breeding

'Citrus-fruit improvement' -- subject(s): Lemon

'Seed corn and some standard varieties for Illinois' -- subject(s): Accessible book, Corn, Varieties

'The preparation of tobacco seed' -- subject(s): Seeds, Tobacco

'A new and valuable cover-crop for tobacco fields' -- subject(s): Vetch, Tobacco

'Citrus-fruit improvement' -- subject(s): Lemon

'The selection of tobacco seed plants' -- subject(s): Fertilization of plants, Seeds, Quality, Tobacco

'Cooperative improvement of citrus varieties' -- subject(s): Accessible book, Citrus fruits