Fertilizers and manures /
Simpson, Ken, 1921-
Fertilizers and manures / Ken Simpson. - London ; New York : Longman, 1986. - 254 p. : ill. ; 22 cm. - Longman handbooks in agriculture .
Includes indexes.
Bibliography: p. 243.
058244747X (pbk.) :
85015950
Fertilizers.
Manures.
S633 / .S624 1986
631.81 / SIF 1986
Fertilizers and manures / Ken Simpson. - London ; New York : Longman, 1986. - 254 p. : ill. ; 22 cm. - Longman handbooks in agriculture .
Includes indexes.
Bibliography: p. 243.
058244747X (pbk.) :
85015950
Fertilizers.
Manures.
S633 / .S624 1986
631.81 / SIF 1986