Horticulture, a text book for high schools and normals, including plant propagation; . Taxation.—The laws of several states are such thatlands devoted to scientific forestry are relieved from taxation for aperiod of years. Reports may be made to the assessors and theareas may then be relieved of taxes, perhaps long enough to growa crop of posts, poles, ties or saw timber. 364 THE HOME WOOD LOT Benefits to the State.—The reason for these laws is that thestate is benefited in a number of ways. The forest carpet of twigs, leaves, etc., prevents the rapidrun-off of water and thus sprmgs and stream
Horticulture, a text book for high schools and normals, including plant propagation; . Taxation.—The laws of several states are such thatlands devoted to scientific forestry are relieved from taxation for aperiod of years. Reports may be made to the assessors and theareas may then be relieved of taxes, perhaps long enough to growa crop of posts, poles, ties or saw timber. 364 THE HOME WOOD LOT Benefits to the State.—The reason for these laws is that thestate is benefited in a number of ways. The forest carpet of twigs, leaves, etc., prevents the rapidrun-off of water and thus sprmgs and streams are kept constantlysupplied from the rainfall of such forested areas (Fig. 264). Whereforests have been cut off streams frequently go dry during thesummer. The water power of mills and factories is thus weakenedor exhausted. The water slipply of homes, villages and cities isoften reduced to the danger point. Large streams which should benavigable the year round are too low in dry weather, and too highm wet weather. Forests often break or mterrupt heavy winds and thus prevent. Fig. 264.—Whore streams are bordered by trees and the fields covered with grass or otherprotection the water is clear and soil is not being eroded. serious damage to property. The drying out of soil is prevented bythe mulch of leaves and twigs, and the soil is not badly beatendown by heax-y rains. The flow-off from such areas is very gradualand freshets are prevented. The temperature of the soil is controlled and somewhat equalizedby forest growths. At night and during cold snaps trees retard theloss of heat from the ground under them. The shade of the treesalso prevents the intense heat of mid-day. Wind breaks tend to conserve the water in the area near course the trees take considerable water in the soil reached bytheir roots, but the breaking of the wind saves soil water in widestrips on the lee of the trees. QUESTIONS 365 PROJECTS, EXERCISES, AND FIELD STUDIES 1. A forest nursery projec
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgardeni, bookyear1922
