Effect of straw on plant growth
Collison, R.C., Conn, H.J.
Effect of straw on plant growth - Geneva 1925 - 1-35 p. - Straw, Plant New York Agricultural Experiment Station. Technical Bulletin No. 114 .
Effect of straw on plant growth - Geneva 1925 - 1-35 p. - Straw, Plant New York Agricultural Experiment Station. Technical Bulletin No. 114 .