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How crops grow. A treatise on the chemical composition, structure and life of the plant, for students of agriculture. With numerous illustrations an…
"Graft on advanced order on imported philoxes, resistant stocks" : letter dated March 9, 1932 to U. S. Department of Agriculture, Bureau of Plant Ind…
The national forest manual. Regulations of the secretary of agriculture and instructions to forest officers relating to and governing special uses of…
Inquiry into fruit growing conditions in the Dominion of Canada, being the conclusion reached after a personal investigation under the auspices of th…
Observations on the state of Ireland, principally directed to its agriculture and rural population : in a series of letters, written on a tour throug…
The national forest manual. Regulations of the secretary of agriculture and instructions to forest officers relating to claims, settlement, and admin…
The farmer's tour through the east of England : being the register of a journey through various counties of this kingdom, to enquire into the state o…
How crops grow; a treatise on the chemical composition, structure and life of the plant, for students of agriculture, with numerous illustrations and…
Index to papers relating to the food of birds : by members of the Biological Survey in publications of the United States Department of Agriculture, 1…
Address of D. F. Houston, secretary of agriculture, before the Association of American agricultural colleges and experiment stations, Auditorium hote…
