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How crops grow. A treatise on the chemical composition, structure, and life of the plant, for all students of agriculture ..
[book]
1868
unpublished
It must not, Lowever, be forgotten, that a valuable principle is often arrived at from the study of facts, which, considered singly, have no visible connection with a practical result.
doi:10.5962/bhl.title.56573
fatcat:gjsyg6pr2vcszcgkyazerj4n4i