经济实用的“塑料膜药水坑”□林振海农村果园喷药时，果农多是使用固定的药池、大铁桶或其它器具配兑农药。这些器具除有使用和携带不便等缺点外，还会降低药效和腐蚀器具。一种简便、经济、实用的“塑料膜药水坑”则解决了上述问题。制法：在果园里挖一个底深日圆的“锅... Economical and practical “plastic film pit” □ Lin Zhenhai rural orchard spraying, the fruit farmers mostly use a fixed pool of medicine, iron drums or other equipment with pesticides. In addition to the shortcomings of using these devices and carrying inconvenience, but also reduce the efficacy and corrosion apparatus. A simple, economical, practical “plastic film pit” is to solve the above problems. Method: dig in the orchard at the end of a deep yen "pot ...