马来西亚橡胶园除草新法胶园杂草防除所需费用是马来西亚种植业的一大难题。据报道，未成龄树在成长过程中一般要喷洒１８—２５次除草剂。仅１９９０年胶园除草费用就达８，３００万马元（ＲＭ）。化学药剂及劳工费用的上涨，使当局不得不寻找一些经济有效的新方法。他们... Malaysian rubber plantation weeding new law rubber garden weed control costs are Malaysia’s planting a major problem. It is reported that young trees are generally sprayed with 18-25 herbicides during their growth. In 1990 alone, the cost of rubber plantations amounted to 83 million Malaysian Ringgit (RM). The rise in chemical and labor costs has forced authorities to find new and cost-effective ways. they...