第四除害虫,害虫之种类甚多,农民每年丧于虫害者。为数甚巨。故不得不预先制然,防制之法。非数言所能尽。今略举其要以窥一班。(甲)凡腐烂之枝叶或果均含有无数细芽胞。此等芽胞必须设法焚毁。不使传染于他处。(乙)在未栽种之先必须先察种子内是否有芽胞。有之则宜去之。使不致 Fourth in addition to pests, there are many types of pests, peasants are each year in pests. A huge number. So I have to pre-made, the control of the law. Not a few words can do. Now give it a try. (A) Where rotting leaves or fruits contain countless fine spores. These sprouts must try to burn. Do not make contagion elsewhere. (B) Before planting, you must first check if there are spores in the seed. Some should go to it. Not cause