. Elementary agriculture . Courtesy of Agricultural Experiment Station, Wisconsin Fig. 53. Clover sod with potash and phosphorus fertiliser yielded 86 bushels of corn per acre, shown at the left, as compared with bushels where potash and phosphorus were used without clover, shown in the center, arid bushels where peat, potash, and phos- phorus were used, shown on the right. This shows the importance of adding nitrogen and organic matter to sandy soils. to sell and some to feed. He also escapes a total crop failure, and he keeps his soil in better condi- tion. By growing the same crop
. Elementary agriculture . Courtesy of Agricultural Experiment Station, Wisconsin Fig. 53. Clover sod with potash and phosphorus fertiliser yielded 86 bushels of corn per acre, shown at the left, as compared with bushels where potash and phosphorus were used without clover, shown in the center, arid bushels where peat, potash, and phos- phorus were used, shown on the right. This shows the importance of adding nitrogen and organic matter to sandy soils. to sell and some to feed. He also escapes a total crop failure, and he keeps his soil in better condi- tion. By growing the same crops on the same fields year after year, certain weeds get the upper hand. By changing crops, these weeds are checked, be- cause the crops are worked at different times and in different ways. Then, too, there are some plant
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
