Chemical composition of plants as an index of their nutritional status David W Goodall; F G Gregory Goodall,David W. Gregory F.G. Plants -- Nutrition. 631.4 Includes bibliographical references and index. East Malling, Eng. : Imperial Bureau of Horticulture and Plantation Crops, c1947. c1947. 1947 Text 167p. : eng Commonwealth Bureau of Horticulture and Plantation Crops.; Technical communication