Principles of field crop production
Martin, John H.
Principles of field crop production John H. Martin and Warren H. Leonard - New York The Macmillan company 1949 - 1176 p. fig., tab. 21 cm
Includes glossary, references and index
Γεωργία
Γεωργική παραγωγή
630
Principles of field crop production John H. Martin and Warren H. Leonard - New York The Macmillan company 1949 - 1176 p. fig., tab. 21 cm
Includes glossary, references and index
Γεωργία
Γεωργική παραγωγή
630