According to the different requirements of vegetables for light intensity, they can be divided into three categories.
1. Vegetables that require stronger light: watermelon, melon, cucumber, pumpkin, tomato, eggplant and pepper, taro, bean and potato. These vegetables are exposed to rainy weather, with low yields and poor quality.
2, suitable for medium-light vegetables: cabbage, cabbage, radish, carrots, onions and garlic, they do not require very strong light, but when the light is too weak, poor growth. Therefore, such vegetables should be covered in shades in the summer and early autumn, and should be removed sooner or later.
3, relatively weak light vegetables: lettuce, celery, spinach, ginger and so on.