Effect of green manuring on soil nitrates under greenhouse conditions
Hill, Harry H.
Effect of green manuring on soil nitrates under greenhouse conditions - Virginia 1915 - 121-152 p. - Soil, Greenhouse Virginia Agricultural Experiment Station. Technical Bulletin No. 6 .
Effect of green manuring on soil nitrates under greenhouse conditions - Virginia 1915 - 121-152 p. - Soil, Greenhouse Virginia Agricultural Experiment Station. Technical Bulletin No. 6 .