武进县前黄公社走马塘大队第二生产队的水稻长得正盛,不料有八亩多水稻发生了虫害,乌油油的稻叶,眼看着一天天地枯黄下去。刚从农业中学毕业回来的赵永良看到这种情况,真是焦在眉头,急在心里。他一夜没睡着,第二天一清早就和同班毕业的同学陈立兴一起,采了许多臭梧桐、辣蓼草、谷树汁等等,根据自己在农业中学学得的有关知识,自制农药。村上有些社员不相 Wujin County, before the yellow commune marching Battalion team of second production team of rice grow Zheng Sheng, unexpectedly, there are more than eight acres of rice pests, black oil of rice leaves, watching the day and the world withered down. ZHAO Yong-liang, who just graduated from middle school of agriculture, saw this kind of situation and he was really anxious and anxious in his heart. He did not fall asleep overnight, the very next day early morning and classmate Chen Lixing graduated with a lot of sycamore, spicy Polygonum, Valley sap and so on, according to their own knowledge in agricultural secondary school, homemade pesticides. There are some members of Murakami