Insect pollination of crops,
Free, John Brand.
Insect pollination of crops, by John B. Free. - London, New York, Academic Press, 1970. - xi, 544 p. illus. 24 cm.
Bibliography: p. [444]-506.
012266650X
72117141
B***
Pollination by insects.
Field crops.
597.7
Insect pollination of crops, by John B. Free. - London, New York, Academic Press, 1970. - xi, 544 p. illus. 24 cm.
Bibliography: p. [444]-506.
012266650X
72117141
B***
Pollination by insects.
Field crops.
597.7