TY - JOUR AU - Weaver, Robert J. AB - WATER USAGE OF CERTAIN NATIVE GRASSES I:\ 1'1{;\IH.IE .\:\1> l'c\STU\E * RonE~n J. W EA I'ER Ulli<•crsif)' of ;V cbraska A study of water content of soil cov- used by plants in producing a unit of dry ered with prairie vegetation and the same matter, exclusive of roots, plus the soil, a few yards distant. with grazed amount lost by evaporation from the sur- prairie usually reveals considerable differ- face of the soil occupied by them during ence in the amount of water at various their period of growth. fiiost experi- depths to several feet. This was shown ments on water requirement have dealt by soil sampling from Iowa to Kansas almost entirely with cultivated plants and during spring and summer of 1939. not with native species (Briggs and Greater foliage area of the ungrazed Shantz, '13, '14; Montgomery and Kies- cover causes greater water loss by trans- selbach, '12; Kiesselbach, '16; :Miller, '23; piration, but the protection of the soil Shantz and Piemeisel, '27; and Dillman, from direct insolation results in lower '31). A notable exception is the study evaporation. Decrease of cover under by McGinnies and Arnold ('39) on range grazing lessens transpiration and acceler- plants of TI - Water Usage of Certain Native Grasses in Prairie and Pasture JF - Ecology DO - 10.2307/1932213 DA - 1941-04-01 UR - https://www.deepdyve.com/lp/wiley/water-usage-of-certain-native-grasses-in-prairie-and-pasture-86iH4OC4jr SP - 175 EP - 192 VL - 22 IS - 2 DP - DeepDyve ER -