论文部分内容阅读
苹果园覆盖试验效果地面覆盖是干旱地区果园应采用的一项技术措施。笔者从１９９１年开始，连续在本县职业中学、北五在及西景村等地苹果园行间进行作物秸杆及绿肥杂草的覆盖试验，从中看出对果园土壤和果树生长及结果有良好的影响，现将有关试验情况介绍如下。一、对果园...
Apple orchard coverage test results Ground cover is a technical measure to be adopted in orchards in arid areas. The author began in 1991, continuous in this county vocational secondary schools, North Fifth and West Village and other places apple orchard row crop straw and green manure coverage test, we can see from the orchard soil and fruit tree growth and results are Good effect, the test conditions are introduced below. First, the orchard ...