With the increasing living standards of the people, the demand for anti-season vegetables is getting higher and higher. At present, planting off-season vegetables is no longer a problem. This is mainly due to the greenhouse technology, which allows people to eat favorite vegetables in different seasons, which not only enriches the people's table, but also brings good to the growers. The proceeds. And if you want to grow anti-seasonal vegetables, fertilization is the key, then what kind of fertilization points should we pay attention to when planting anti-season vegetables? Let's take a look.
1. Determine the type of fertilization
The type of fertilization should be determined according to the vegetables grown in the greenhouse. For example, leafy vegetables need sufficient nutrients throughout the growth period. Therefore, the type of topdressing is generally based on nitrogen and potassium fertilizers; In terms of fertilization requirements, nitrogen, phosphorus and potassium should be comprehensive, but the demand for phosphorus is less; while root vegetables are mainly applied with potassium fertilizer, and it is necessary to timely in the period of underground root enlargement. Supplement nitrogen fertilizer.
2. Reapply high quality organic fertilizer
It is well known that organics are very helpful in improving soil and soil physics and triumph properties, and can effectively reduce the effects of nitrates in vegetables. In addition, the focus can also increase the sugar content of fruits and vegetables, and the benefits of vegetable growth. Therefore, when planting off-season vegetables, it is necessary to reapply high-quality organic fertilizers. However, it should be noted that organic fertilizers must be fully decomposed before they can be applied. Otherwise, it may cause rooting and adverse effects on vegetables.
3. Fertilization method
1 When the melon vegetables are fertilized, they can be postponed appropriately. In the early stage, due to slow growth, it is possible to appropriately reduce topdressing or not. In the period of fruit expansion, it is necessary to pursue the "fruit-producing fertilizer", and the topdressing and watering are combined to achieve sufficient nutrition. After entering the fruiting period, the fertilizer should be topdressed with quick-acting fertilizers mainly based on nitrogen and potassium, and timely hydration should be carried out after harvesting.
When fertilizing two vegetable vegetables, attention should be paid to the nutritional supplement during the whole growth period. In the early stage, nitrogen fertilizer is the main factor, and in the later stage, potassium fertilizer or nitrogen-potassium compound fertilizer can be added.
3 leafy vegetables focus on keeping the field enough to grow on the basis of base fertilizer. For example, Chinese cabbage begins to topdress after entering the rosette period. 10 kg of urea per mu, 5 kg of potassium sulfate; or a higher concentration of human excrement, is acceptable.
The above is the introduction of relevant content such as fertilization points for anti-season vegetable cultivation. In general, most of the nutrients needed for off-season vegetables are obtained from the soil. For growers, strengthening field fertilization management is the production guarantee for off-season vegetables.
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