Uppal, H. L.
Green manuring of soils for increasing crop yield for stepping up food production in the country / H. L. Uppal. - Amritsar : Land Reclamation, Irrigation and Power Research Institute, 1962. - 26 p. : ill. ; 24 cm.
334 334
Green manuring--India.
631.87406 / H1g
Green manuring of soils for increasing crop yield for stepping up food production in the country / H. L. Uppal. - Amritsar : Land Reclamation, Irrigation and Power Research Institute, 1962. - 26 p. : ill. ; 24 cm.
334 334
Green manuring--India.
631.87406 / H1g