Hartley, C. (1921). Damping-off in forest nurseries. Washington, D.C.: U.S. Dept. of Agriculture.
சிகாகோ பாணியிலான மேறà¯à®•ோளà¯à®•ளà¯Hartley, Carl. Damping-off in Forest Nurseries. Washington, D.C.: U.S. Dept. of Agriculture, 1921.
எமà¯à®Žà®²à¯à®Ž மேறà¯à®•ோள௠காடà¯à®Ÿà®¿Hartley, Carl. Damping-off in Forest Nurseries. Washington, D.C.: U.S. Dept. of Agriculture, 1921.
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