2Preliminary research on the occurring law and control strategy of laphygma exigua Hübner in Jinzhou city Hubei province7-8
3Preliminary survey on the pesticide resistance of Chinese cotton 29 to helicoverpa armigera Hümber9-12
4The ralation between meteordogicai factors and the inciolenceof pyricutaria oryzae Cav.of early rice and the analysis of catastrophical conditions13-14
7Studies on the action of Sigma 3OF herbicide against weeds in wheat field and the Affect of Field Quality on the Weeds and Wheat Yield24-26