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引言在造林事业中整地(注)和除草是最费工的,特别是除草作业要求在短时间内要集中很多劳力来进行。因而如何缓和这一时间内的劳力不足,是造林工作中当前必须研究的,也是最不
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引言在造林事业中整地(注)和除草是最费工的,特别是除草作业要求在短时间内要集中很多劳力来进行。因而如何缓和这一时间内的劳力不足,是造林工作中当前必须研究的,也是最不好解决的问题。在第二次世界大战以后在农业上利用农药消除杂草,不论
Introduction Land preparation (weeding) and weeding are the most expensive work in afforestation, especially weeding operations require a lot of labor to be concentrated in a short period of time. Therefore, how to alleviate the shortage of labor within this time is the issue that must be studied at present in afforestation work and also the worst solution. After World War II, pesticides were used to eliminate weeds in agriculture, no matter what
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