Soil fertility requirements for potato production
van der Zaag, Peter
Soil fertility requirements for potato production Peter, Vander Zaag - Lima International Potato Center 1981 - 20p.; 22cm. - (Technical information bulletin; 14) .
635.217 8 V286S
Soil fertility requirements for potato production Peter, Vander Zaag - Lima International Potato Center 1981 - 20p.; 22cm. - (Technical information bulletin; 14) .
635.217 8 V286S