良种是农作物高产丰收的保证,但不可盲目引进,以防造成不必要的损失。因此,应注意以下几个问题。 1.要有针对性。在引种时,要根据当地的生态条件、品种状况及生产上的需要,进行合理引种。 2.要注意两地的环境条件。在引进良种时,一般是在纬度、日照条件相差不大的地区引种,成功 A good variety is a guarantee of high yield of crops, but not blindly introduced to prevent unnecessary losses. Therefore, we should pay attention to the following questions. Be targeted In the introduction, according to the local ecological conditions, variety status and production needs, the introduction of a reasonable. 2 should pay attention to the environmental conditions of the two places. In the introduction of seed, usually in latitude, sunshine conditions are not much difference in the introduction area, the success