Greenhouse celery management to four defense
Anti-hollow. Prevent celery from appearing hollow. When planting, choose non-sand soil cultivation. The base fertilizer should be applied with decomposed organic fertilizer. During the growth and development process, the celery should be topdressed according to the growth trend. When the color of the leaves is shallow, when the fertilizer is removed, the fertilizer should be applied in time. Application of photosynthetic nutrient film fertilizer (light fertilizer) to improve photosynthesis productivity nutrients and chlorophyll, advanced environmentally friendly plants to increase fertilizer, increase production, color enhancement, leaf hypertrophy, dry stem strong compound membrane. It can help plants absorb a lot of light fertilizer, light energy, light, compatible with conventional fertilizers and nutrients to supply plant growth and development to the limit.
The petiole is cracked. The temperature and humidity in the shed should be maintained, the soil should be deeply cultivated, and organic fertilizer should be applied to promote the normal growth and development of the root system and enhance its ability to resist drought and cold. When planting celery, borax can be used as the base fertilizer. Once a slight crack is found, the borax solution can be sprayed with foliar spray, and the vegetable stalk can be sprayed on the celery regularly to make the stems of the plants thick, the leaves are thick, the leaves are fresh and the plants are flourishing. Natural taste is strong.
Anti-burning heart. The celery has a heartburn, it should be started from the management, so that the temperature and humidity are suitable. For the acidic soil, the lime and the soil acidity should be applied, and the pH of the soil should be adjusted to neutral. In the early stage of the disease, 0.5% calcium nitrate aqueous solution + tree guard general can be used to prevent the spread of pathogens.
Anti-bitter taste. Many farmers in the production are used to apply urea to increase nitrogen fertilizer. This is very wrong. The application of urea in celery makes the celery taste bitter when it is eaten. The application of urea in celery often makes it high in fiber content; it is prone to aging; another one will produce bitterness. Reduce the value of food. Therefore, attention should be paid to the application of nitrogen fertilizer to improve the taste of celery. And regular spraying of vegetable Zhuangting can make the stems of the plants thick, the leaves are thick, the leaves are fresh and tender, the plants are flourishing, and the natural taste is strong.
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