. Journal of agricultural research . Journal of Agricultural Research Vol. XVIII, No. 11 PLATE 77 A.—Shade cloth, 6 by 6 mesh. Natural size. B.—Shade cloth, 8 by lo mesh. Natural size. C.—Shade cloth, 12 by 12 mesh. Nattiral size. D.—Shade cloth, 12 by 20 mesh. Natural size. E.—Standard cheesecloth used in 1916 experiments. Natural size. PLATE 78 A.—Soybeans growing in box set in soil (covers removed), shaded with 12 by 12mesh netting. Soil kept relatively wet from germination to maturity. B.—vSeries of consecutive plantings of soybeans in the field during the planting shad flowered


. Journal of agricultural research . Journal of Agricultural Research Vol. XVIII, No. 11 PLATE 77 A.—Shade cloth, 6 by 6 mesh. Natural size. B.—Shade cloth, 8 by lo mesh. Natural size. C.—Shade cloth, 12 by 12 mesh. Nattiral size. D.—Shade cloth, 12 by 20 mesh. Natural size. E.—Standard cheesecloth used in 1916 experiments. Natural size. PLATE 78 A.—Soybeans growing in box set in soil (covers removed), shaded with 12 by 12mesh netting. Soil kept relatively wet from germination to maturity. B.—vSeries of consecutive plantings of soybeans in the field during the planting shad flowered when photographed September 8, 1919. Note (from leftto right) the rapid decrease in height of plants at the time of flowering as the datesof plantings become later and later. Effect of Length of Day on Plant Growth Plate 78.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1913