. The chemistry of soils and fertilizers. Soils; Fertilizers. 164 SOILS AND FERTILIZERS 199. Coarse Manure May Be Injurious. —The ap- plication of coarse leached manure may cause the soil to be so open and porous as to affect the water supply of the crop, by introducing, below the surface soil, a layer of straw, which breaks the capillary connection with the subsoil. Coarse manure and shallow spring plowing are frequently injurious, when fine or well- composted manure and fall plowing are beneficial. The injury resulting from the use of coarse manure is frequently due to its being allowed to l
. The chemistry of soils and fertilizers. Soils; Fertilizers. 164 SOILS AND FERTILIZERS 199. Coarse Manure May Be Injurious. —The ap- plication of coarse leached manure may cause the soil to be so open and porous as to affect the water supply of the crop, by introducing, below the surface soil, a layer of straw, which breaks the capillary connection with the subsoil. Coarse manure and shallow spring plowing are frequently injurious, when fine or well- composted manure and fall plowing are beneficial. The injury resulting from the use of coarse manure is frequently due to its being allowed to leach before it is used, so that it does not properly ferment in the soil. 200. Manuring Pasture Land.—In semiarid regions, where manure decomposes slowly, it is some- times advisable to spread it upon the pasture land as. Fig. 27. Manured land. a top dressing. The manure encourages the growth of grass, which appropriates plant food otherwise lost, and it also acts as a mulch preventing excessive evapo- ration. Then when the pasture land is plowed and pre- pared for a grain crop it contains a better store of both. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Snyder, Harry, 1867-1927. Easton, Pa. , The Chemical Publishing Co.
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