Handbook of soil fertilizer and manure
Gupta, P.K.
Handbook of soil fertilizer and manure P.K. Gupta - 2nd ed - Jodhpur Agrobios 2011 - xxiv,564p.;21cm.
9788177541526
631.8 G959H
Handbook of soil fertilizer and manure P.K. Gupta - 2nd ed - Jodhpur Agrobios 2011 - xxiv,564p.;21cm.
9788177541526
631.8 G959H