论文部分内容阅读
沂蒙山区苹果园多建于山坡或丘陵地,其地下岩位高,土壤瘠薄,影响果树的生长发育。蒙阴县自1984年以来,在高都、野店等乡苹果园采用放炮炸穴疏松土壤的方法计3000余亩,收到了良好的效果。例如:高都乡下温村1977年定植苹果树120
Yimeng Mountain apple orchards and more built in the hillside or hilly land, its high underground rock, barren soil, affecting the growth and development of fruit trees. Since 1984, Mengyin County has adopted over 3,000 mu of loose soil in blasting sites in Gaoqu and Yedian Township apple orchards and received good results. For example: high countryside under the village of warm autumn planting apple tree 120