. The chemistry of soils and fertilizers. Soils; Fertilizers. 32 SOILS AND FERTILIZERS surface, but if the surface is covered with a layer of fine earth, the subsoil water cannot readily pass through such a medium, and evaporation is checked. Hence shallow surface cultivation conserves the soil moisture. The means by which surface cultivation is accom- plished must, of necessity, vary with the nature of the. Fig. 13. With surface cultivation. soil. If a harrow is used the pulverization should be complete. If a disk is used the teeth should be set at an angle, and not perpendicularly, so as to
. The chemistry of soils and fertilizers. Soils; Fertilizers. 32 SOILS AND FERTILIZERS surface, but if the surface is covered with a layer of fine earth, the subsoil water cannot readily pass through such a medium, and evaporation is checked. Hence shallow surface cultivation conserves the soil moisture. The means by which surface cultivation is accom- plished must, of necessity, vary with the nature of the. Fig. 13. With surface cultivation. soil. If a harrow is used the pulverization should be complete. If a disk is used the teeth should be set at an angle, and not perpendicularly, so as to prevent, as. 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.
Size: 2570px × 972px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubj, booksubjectfertilizers
