Weed control handbook, vol.2 recommendations, including plant growth regulators
Fryer, J.D
Weed control handbook, vol.2 recommendations, including plant growth regulators - 8th ed - Oxford Blackwell 1978 - xv,532p
0632002190
Agriculture
632.580941 / WEE
Weed control handbook, vol.2 recommendations, including plant growth regulators - 8th ed - Oxford Blackwell 1978 - xv,532p
0632002190
Agriculture
632.580941 / WEE