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榆林專区在陝西省的最北部,風大雨少,春季干旱。根据榆林气象站17年的資料,平均年降雨量380.7毫米。同时,每年的雨水还多集中在七、八、九月分,这个时期的雨量,平均占每年总降雨量的69.38％。榆林地区每年2～5月多風,促使土壤更加干旱。秋庄稼多数在4～6月播种,这个时期正是雨少、風大和春旱最严重的季节。由于有上面說的这些情况,现在已經試行的一些水土保持耕作法在榆林北部地区对
Yulin Prefecture in Shaanxi Province in the northern most of the wind and rain less, spring drought. According to 17 years of Yulin weather station data, the average annual rainfall 380.7 mm. At the same time, the annual rainfall is also concentrated in seven, eight, September points, during this period the rainfall, the average annual total rainfall of 69.38%. Yulin area every year from February to May windy, prompting a more dry soil. Autumn crop mostly in April to June sowing, this period is less rain, wind and spring drought the most serious season. As a result of the above said, some of the soil and water conservation practices that have now been piloted are in the northern part of Yulin