Studies of the irrigation of pear orchards on heavy soil near medford, oreg.
Lewis, M.R., Work, R.A., Aldrich, W.W.
Studies of the irrigation of pear orchards on heavy soil near medford, oreg. - Washington 1934 - 1-34 p. - Irrigation, Pear, Orchards United States Department of Agriculture. Technical Bulletin No. 432 .
Studies of the irrigation of pear orchards on heavy soil near medford, oreg. - Washington 1934 - 1-34 p. - Irrigation, Pear, Orchards United States Department of Agriculture. Technical Bulletin No. 432 .