Production of field crops ; a textbook of agronomy
Kipps, M. S.
Production of field crops ; a textbook of agronomy - 6 ed. - New York : McGraw-Hill, 1970 - 790 p. : ilus. ; mapas - McGraw-Hill publications in the agricultural sciences . - McGraw-Hill publications in the agricultural sciences .
27840
Cultivos.
Cultivos--Rendimiento.
631.5 / K5 1970
Production of field crops ; a textbook of agronomy - 6 ed. - New York : McGraw-Hill, 1970 - 790 p. : ilus. ; mapas - McGraw-Hill publications in the agricultural sciences . - McGraw-Hill publications in the agricultural sciences .
27840
Cultivos.
Cultivos--Rendimiento.
631.5 / K5 1970