Effects of greenhouse vegetables on soil pH and crop rotation

Effects of greenhouse vegetables on soil pH and crop rotation

Pay attention to the effect of various vegetables on soil pH. Growing potatoes and kale will increase soil acidity, while growing corn, squash, etc. will reduce soil acidity. Therefore, the onion vegetables that are sensitive to acidity can obtain high yields as the subsequent crops of corn and pumpkin.

, Shepherd's purse: autumn sowing shepherd's purse is best for tomato, cucumber; spring shepherd's purse for garlic. Avoid continuous work.

2. Winter gourd: 5-6 ginger plants are planted among the winter gourd plants, kudzu is planted on one side of the border, and taro is planted on the other end. After April and May, interplant wax gourd or pepper and eggplant in the leek border; interplant wax gourd with tomato; interplant bulb fennel, lettuce, cabbage and small leafy vegetables under the wax gourd frame; in mountainous areas, interplant wax gourd with ginger.

3. Watermelon: Rotate for more than 5 to 8 years. Crops in rotation are: wheat, rice, corn, radish, sweet potato and green manure.

4. Lotus root: lotus root and rice are rotated in rotation. After the early lotus root is harvested, cress, cigu, water chestnuts and watercress can be planted. Lotus root is often cropped with Cigu, water chestnuts and water chestnuts every other year, or intercropped with water bamboo.

5. Lettuce: The former can be onion, garlic, and cucumber, and the latter can be planted with strawberries and tomatoes.

6. Generally, leafy vegetables that require more nitrogen are best arranged for the later stubble of nightshade vegetables that require more phosphorus. Cucumbers, celery, and spinach that absorb fertilizer quickly are best to plant tomatoes, eggplants, peppers, etc. that absorb more organic fertilizers.