Hand book of soil, fertilizer and manure /
Gupta, P.K.
Hand book of soil, fertilizer and manure / P.K. Gupta, - New Delhi : Botanica Agro, c1999. - 431 p. : ill. ; 23cm.
8187167211
Soil mechanics.
631.4 / GUH
Hand book of soil, fertilizer and manure / P.K. Gupta, - New Delhi : Botanica Agro, c1999. - 431 p. : ill. ; 23cm.
8187167211
Soil mechanics.
631.4 / GUH