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历年来山东惠民专区一带的土蝗为害非常严重,在夏季为害玉米、高粱、榖子和豆等幼苗,在秋季则为害冬麦苗,影响很大,尤其是近海地区,农民们因怕土蝗为害而不敢在秋分时播种冬麦,一直等到霜降土蝗活动能力衰弱了的时候才种,这里有一句很流行的农谚说:“麦子耩霜降,蝼蛄蚂蚱赶不上”就是这个道理。延迟播种期虽然可以避免土蝗为害,但是在另一方面却又造成长不好,分蘖少,容易感染腥黑穗病等缺点,影响产量减低,进行冬前播虽然较好,可是又不容易掌握,因此防治土蝗,争取适期播种已
In the past years, the soil locusts in Huimin area of Shandong Province were very seriously damaged. In the summer, the seedlings of maize, sorghum, razor clams and beans were harmed, while the winter wheat seedlings were harmed in the autumn. Especially in the offshore areas, peasants were afraid of soil locusts Harmful to dare to sow winter wheat at the autumnal equinox until the ability of frostbite to fall is so weak that there is a very popular proverb saying: “It is the truth that” the wheat frost falls and the grasshopper catch up ". Delayed sowing period can prevent the harm of soil locust, but on the other hand, it causes shortages such as poor growth, less tillers and easy to get infected with stinky smut and affects the yield reduction. Although the winter sowing is better, it is not easy Master, so control soil locust, sowing for the right time