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为了掌握茶园肥料成分的流失状况,利用本所现有茶园已设置的暗沟,并用无底框架,来调查其流失水量及肥料成分流失浓度。1、已开垦的薮北种成龄茶园112公亩,土壤为洪积世堆积强粘质土,倾斜度3—5度,等高种植。使该茶园的地表流失水和地下渗透水都集中到一个水池中(面积273m~2),然后测定自1983年4月开始一年间的水量、水质,结果见表1。
In order to master the loss of fertilizer components in the tea plantation, the underground ditch set up by the existing tea plantation and the bottomless frame were used to investigate the loss of water and the concentration of fertilizer components. 1, Has been cultivated Chengbei 112 kinds of tea plantation age, the soil for the accumulation of strong clumping mass permafrost, slope of 3-5 degrees, contour planting. So that the tea plantation surface water loss and underground infiltration of water are concentrated in a pool (area 273m ~ 2), and then measured since April 1983 a year the amount of water, water quality, the results shown in Table 1.