. The chemistry of soils and fertilizers. Soils; Fertilizers. ORGANIC COMPOUNDS OF SOILS 99 io6. Soils in Need of Humus. —Sandy and sandy loam soils that have been cultivated for a number of years to corn, potatoes, and small grains, without the use of stable manures or the proper rotation of crops, are deficient in humus. Clay soils, as a rule, do not stand in need of humus so much as loam or sandy soils. The mechanical condition of heavy clays is,. Fig. 20. Humus from old Please note that these images are extracted from scanned page images that may have been digitally enhanced for rea
. The chemistry of soils and fertilizers. Soils; Fertilizers. ORGANIC COMPOUNDS OF SOILS 99 io6. Soils in Need of Humus. —Sandy and sandy loam soils that have been cultivated for a number of years to corn, potatoes, and small grains, without the use of stable manures or the proper rotation of crops, are deficient in humus. Clay soils, as a rule, do not stand in need of humus so much as loam or sandy soils. The mechanical condition of heavy clays is,. Fig. 20. Humus from old 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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Keywords: ., bookcentury1800, bookdecade1890, booksubj, booksubjectfertilizers
