Establishing and applying the meteorological forecast of cotton boll worms in puyang .
濮阳棉铃虫气象预报模式的建立与应用。
But then on closer inspection , boll was surprised to find the letter was actually dated july 24 , 1862 .
但仔细检查之后，博伦更加惊讶地发觉，这封信上的日期其实是1862年7月24日。
The sensitivity of abscission to soil moisture was more noticeable in full flowering to beginning of boll opening stage than in other stages , especially in squaring stage .
蕾铃脱落对水分的敏感系数以开花盛期-吐絮期最大，蕾期相对较小。
But in the early years of the century , the boll weevil began devastating the cotton farms in the south .
然而在上世纪初期，棉铃象甲开始侵嗜美国南部的棉花农场。
Table 1 effect of high temperature on survival and reproduction of cotton boll worm .
