How to fertilize greenhouse vegetables in early spring? Latest technical method tutorial
In spring, the temperature is relatively low, but in early spring the temperature is still relatively low, and the light is relatively weak, which will cause weak seedling growth and thinner stems. This kind of problem is still quite common. The seedling stage is also the foundation for flowering and fruit setting. Whether the seedlings grow robustly is related to the later flowering and fruiting. Among these, fertilization accounts for a very large part. So how should early spring greenhouse vegetable seedlings be fertilized? Let's take a look together.
1. Adjust the base fertilizer ratio
The vegetable seedling stage is very prone to excessive vegetative growth, and this is closely related to the nitrogen fertilizer content in the base fertilizer. At present, the most commonly used base fertilizer among many farmers is poultry and livestock manure. This kind of fertilizer has an extremely high nitrogen fertilizer content, and it mainly exists in the form of uric acid. After being applied to the soil, it will be converted into ammonium nitrogen, which is the most likely to promote excessive vegetative growth. To control excessive vegetative growth of vegetables during the seedling stage, adjusting the base fertilizer ratio is key. Farmers are advised to add fermented and decomposed farmyard manure, straw, etc. to the base fertilizer, then deeply plow the soil, and appropriately pair it with decomposed soybean meal organic fertilizer, medium and trace element fertilizers, etc., so that the base fertilizer ratio is more reasonable. This is the foundation for ensuring robust seedling growth.
2. Use organic activated nutrient fertilizer well
When seedlings are planted, hymexazol + 1000 times liquid Jiamei Hongli can be used to drench the roots and irrigate the roots, which has an excellent effect on regulating plant growth and controlling excessive growth. This is because the beneficial bacteria in Hongli can promote the conversion of nitrogen fertilizer, effectively reduce the ammonium nitrogen content in the soil, and at the same time increase the nitrate nitrogen content, promote root downward growth, improve root absorption function, and promote robust plant growth. However, many farmers nowadays do not pay attention to application in this regard, often resulting in uneven seedling quality.
3. Supplement medium and trace elements
When seedlings are recovering from transplanting, spraying 1000 times liquid Jiamei Nao Baijin can help adjust the nutrient ratio in the plant, reduce the nitrogen fertilizer content, and thereby regulate growth. In addition, when watering to help seedlings recover, apply organic fertilizer along with the water. This can not only effectively regulate nutrient absorption by the root system, promote root growth, improve root stress resistance, and reduce excessive plant growth, but also effectively promote flower bud differentiation, improve the quality of flowering and fruiting, reduce deformed fruit, and increase yield and quality.
The above is an introduction to fertilization technology for early spring greenhouse vegetables. I hope it can help you. If you want to learn more related knowledge, please keep following us.