1,720,971 research outputs found
Bulletin: Number 478: Sources of Agricultural Liming Materials
No full text16 pages, 1 article*Sources of Agricultural Liming Materials* (Collison, R. C.) 14 page
Bulletin: Number 632: Relations Between Orchard Soils and Cover Crops
No full text18 pages, 1 article*Relations Between Orchard Soils and Cover Crops* (Collison, R. C.) 16 page
Bulletin: Number 596: Some Effects of Legumes in Relation to Economical Crop Production
No full text16 pages, 1 article*Some Effects of Legumes in Relation to Economical Crop Production* (Collison, R. C.) 14 page
Bulletin: Number 691: Experiments in Orchard Soil Management: Fertilizers, Mulches, and Cover Crops
No full text37 pages, 1 article*Experiments in Orchard Soil Management: Fertilizers, Mulches, and Cover Crops* (Collison, R. C.) 35 page
Bulletin: Number 477: A Progress Report of Fertilizer Experiments with Fruits
No full text54 pages, 1 article*A Progress Report of Fertilizer Experiments with Fruits* (Collison, R. C.) 51 page
Bulletin: Number 679: Potash and Phosphorus in Relation to Organic Matter in New York Orchards
No full text18 pages, 1 article*Potash and Phosphorus in Relation to Organic Matter in New York Orchards* (Collison, R. C.) 16 page
Bulletin: Number 573: Artificial Manure from Straw
No full text17 pages, 1 article*Artificial Manure from Straw* (Collison, R. C.; Conn, H. J.) 15 page
Bulletin: Number 494: Fermentation and Preservation of Manure
No full text87 pages, 1 article*Fermentation and Preservation of Manure* (Conn, H. J.; Collison, R. C.) 85 page
Bulletin: Number 623: Experiments with Commercial Nitrogenous Fertilizers on Apple Orchards
No full text36 pages, 1 article*Experiments with Commercial Nitrogenous Fertilizers on Apple Orchards* (Harlan, J. D.; Collison, R. C.) 34 page
Bulletin: Number 562: High-Nicotine Tobacco
No full text19 pages, 1 article*High-Nicotine Tobacco* (Collison, R. C.; Harlan, J. D.; Streeter, L. R.) 17 page
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