Statistics of crop responses to fertilizers.
- Rome : FAO , 1966
- viii, 112p. : ill. ; 20 cm.
Includes bibliographical references and index.
Fertilizers
Crop yield
Economic aspects
Mathematical models
631.8 / FAO-15
Includes bibliographical references and index.
Fertilizers
Crop yield
Economic aspects
Mathematical models
631.8 / FAO-15