半沙漠地区利用废水灌溉的试验Ｂ．著任宗华译王苇一校在少林的半沙漠地区，木材原料缺乏十分突出。阿斯特拉罕州就属于这样的地区，那里的森林复盖率只有１．６％，依靠本地木材的蓄积量只能满足生产需求量的６％～７％．随着阿斯特拉罕制浆一纸板联合企业的投产，对木材... Test of wastewater irrigation in semi-desert area. Ren Zonghua translated Wang Wei a school in Shaolin semi-desert areas, the lack of timber raw materials is very prominent. Astrakhan region belongs to a region where the forest cover rate is only 1.6%, depending on the local volume of wood can only meet the production demand of 6% to 7%. With the Astrakhan Pulp and Paper joint venture put into operation, the timber ...