Securing high yields and avoiding losses in ryegrass seed crops
Calder, J.W.
Securing high yields and avoiding losses in ryegrass seed crops - Christchurch 1951 - 1-4 p. - Yields, Seed, Crops Canterbury Chamber of Commerce. Agricultural Bulletin No. 268 .
Securing high yields and avoiding losses in ryegrass seed crops - Christchurch 1951 - 1-4 p. - Yields, Seed, Crops Canterbury Chamber of Commerce. Agricultural Bulletin No. 268 .