一、套袋的效果 (一)长把梨套袋,出口率高达90％以上,产值提高30％ (二)提高果的外观品质。果实在袋内生长,减少了风吹日晒,可使果皮细腻光洁,果点小,颜色发黄。 (三)减少农药残留,防止病虫侵入。 二、保护袋的种类 (-)报纸袋。选纤维较长的废旧报纸(如《人民日报》、《大众日报》等),用缝纫机缝合而成13×18cm的长方形纸袋。这种袋纸张不含石蜡,经风雨易破碎,但成本低,容易制作。 (二)单层石蜡袋。为淡黄色或浅褐色,较耐雨淋,结实。可避免袋贴果实。这种袋成本低,制作容易,在生产中能大量应用。 (三)双层纸袋。日本少林制袋公司生产,外层浅黄色,内层白色,双层纸都带蜡,韧性好。袋口处有一3cm First, the effect of bagging (A) Long bag of pear, the export rate as high as 90%, the output value increased by 30% (B) to improve the appearance of fruit quality. Fruit growth in the bag, reducing the wind and sun, make the skin smooth and delicate, small fruit, yellow color. (C) to reduce pesticide residues, prevent pests and diseases intrusion. Second, the type of protective bags (-) newspaper bags. The longer-used newspapers (such as the People’s Daily, the Dazhong Daily, etc.), which are made of fibers, are stitched together with a sewing machine to form a rectangular paper bag measuring 13 × 18 cm. This bag of paper does not contain paraffin wax, the weather is fragile, but low cost, easy to make. (B) single-layer paraffin bag. Light yellow or light brown, more resistant to rain, strong. Can avoid bags of fruit paste. The bags are low cost, easy to make and can be used in large quantities in production. (C) double paper bag. Shaolin bag making company in Japan, the outer layer of light yellow, inner white, double paper with wax, good toughness. Pocket at a 3cm