种子流通量和交易量的大幅度增加,会刺激农用包装材料和包装袋的市场需求。目前,国内粮食种子包装采用麻袋、尼龙袋和塑料袋,各有弊端。近年来国外发展了一种新型包装材料,即沙网纸袋包装。这种包装材料兼有麻袋的良好透气性和塑料袋的防水性,可作为一次性使 The substantial increase in the flow of seeds and trade volume will stimulate the market demand for agricultural packaging materials and bags. At present, domestic grain seed packaging uses sacks, nylon bags and plastic bags, which have their own drawbacks. In recent years, a new type of packaging material has been developed abroad, namely sand paper bag packaging. This packing material combines the good air permeability of the sack and the water resistance of the plastic bag and can be used as a one-time use