关键词: 瘤荔枝螺, 瘤荔枝螺, 饵料, 选择性

Abstract: Key words: Wheat; Lime Concretion Black Soil; Climate Change; Cropping Pattern; Distribution; Adjustment Strategy To make the growth and development process of wheat in Huaibei area coordinate and synchronize local ecological resources of light, temperature, water and so on, and to effectively solve the problem of wheat seeds difficult to sow and emergency which was caused by drought at wheat suitable sowing date and poor soil tillage condition in lime concretion black soil of Huaibei, yield potential and promotion prospects of planting weak winter wheat varieties in Huaibei area was proved, and the planting area of weak winter wheat varieties which should be further expanded in lime concretion black soil of Huaibei was proposed in order to lay the foundation for wheat sustainable high and stable yield in this area on the basis of systematic analysis the change trend of meteorological factors which has affected wheat growth