Download or read book Experiment Station Work XXIX written by Allerton Seward Cushman and published by . This book was released on 1905 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt: To build up and maintain fertility in the soil, feed a large part of the crops and return the manure to the land. If manure is not available, plow under crops grown for the purpose. Plow deep (but do not subsoil). Grow leguminous crops for the nitrogen they add to the soil. Commercial fertilizers and lime may be important means of improving the soil, but the fertilizer requirements of different soils and different crops in different seasons are so little understood that we are not yet in a position to make positive recommendations that are of a general application.

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Download or read book Farmers Bulletins written by US. Department of Agriculture and published by . This book was released on 1908 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Building Up a Run Down Cotton Plantation written by U.S. Department of Agriculture and published by . This book was released on 1908 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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