１提出问题按学习循环法则进行，问题由农民张新华和周厚权提出。我们针对抗虫棉发展速度快、品种多，农民对抗虫棉性能不熟悉的情况，首先提出了开展抗虫棉品种比较试验，所有学员一致赞同，并就研究课题进行了多种假设，充分估计了各种可能性。种植抗虫棉既有增收的可能，也 1 raised the issue according to the law of learning cycle, the problem raised by the farmers Zhang Xinhua and Zhou thick right. In response to the rapid development of insect-resistant cotton and the wide range of varieties, peasants are not familiar with the performance of insect-resistant cotton. We first proposed comparative tests on insect-resistant cotton varieties, and all the participants agreed unanimously and made various assumptions about the research project. Various possibilities have been estimated. Planting cotton may increase both income, but also