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<br />, - <br />I.: ' .~. <br /> <br />000385 <br /> <br />CHAPTER 5. DRAINAGE <br /> <br />Present Conditions <br /> <br />Excess water is the dominant problem on approximately 3,800,000 <br />acres of agricultural land In the State. This problem Is caused <br />by a fluctuating or rising water table, or by temporary flooding or <br />inundation. The acreages of land by capabi lity classes and major uses <br />are shown In Table 21. <br /> <br />About 2,440,000 acres are In land capability ciasses I I, I I I, and <br />IV, usually considered suitable for cropping under proper conservation <br />treatment and management. About 1,275,000 acres are presently cropped, <br />1,015,000 acres are In pasture and range, and 94,000 acres are forest <br />or woodland. The primary hazard is wetness due to Imperfect drainage <br />or a high water table. None of these lands has a significant amount of <br />standing surface water except during short periods of excess precipitation. <br /> <br /> TABLE 21 <br /> SUMMARY OF AGRICULTURAL LANDS WITH DOMINANT PROBLEM OF <br /> EXCESS WATER <br /> ( 1967) <br /> Pasture Forest <br />Capability Class~/ and and State <br /> Cropland Range Woodland Other Total <br /> ----- - - - - thousand acres - - - - - - - - - <br />'I 820.8 623.4 70.7 43.4 1,558.3 <br /> III 424.2 315.1 19.5 15.1 773.9 <br />IV 29.1 74.9 3.5 0.7 108.2 <br />Subtota I II, III & IV 1,274.1 1,013.4 93.7 59.2 2,440.4 <br /> V 33.0 456.5 21.3 11.0 521.8 <br />VI 54.5 530.9 161.0 24.4 770.8 <br /> VIII 3.6 40.1 43.7 <br />Subtotal V, VI & VIII 87.4 987.4 185.9 75.5 1,336.2 <br />STATE TOTAL 1,361.6 2,000.8 279.6 134.7 3,776.7 <br />~ For a description of capabIlIty classes, see Chapter 12. <br /> <br />Source: Nebraska Conservation Needs Inventory, 1969 <br /> <br />48 <br />