Due to the sowing date, cultivation methods and varieties of celery, the requirements for harvesting are also different. The harvest time of celery can be determined according to the growth conditions and the market price. Generally after 50-60 days of colonization, the petiole is up to 40 cm, and the freshly pumped tender leeks can be harvested below 10 cm.
First, the root dig: that is, when the celery grows to 40-60 cm high, there is a commodity value, a one-time harvest, dig out the roots, washed bundles, packaging and listing. Before this method, celery should be filled with water. When the ground is slightly dry, the water content of the plants in the morning is large. This method can be used in all other cultivation methods, except for the early fall planting.
Second, the petioles harvested in batches: celery is mainly served with petioles, usually celery harvesting is the whole plant to dig, with the changes in the market demand of supermarkets and net vegetables, the current market demand for the consistency of the celery leaf handle However, as long as the celery is properly managed, petioles with the same specifications can be harvested in batches, and the rest can continue to grow to achieve an oversupply. That is, when each cluster grows 7-10 leaf petioles longer than 40 cm, it is harvested. When harvesting, use one hand to hold the root and neck, and use the other hand to pick the petioles or use a knife to cut every 15- After 20 days of harvest, all petioles longer than 40 cm are to be removed at one time. Generally, they can be collected 3-4 times until the temperature in the protection facility is too low to grow. Care must be taken to prevent breakage of the petiole and affect the quality of the product. After harvesting the petiole, the celery shall remove all the diseased, old, yellow petiole immediately, and then spray the fungicide once. When the 3-4 leaves are newly produced, apply the fertilizer and water as appropriate. Other management is the same as conventional. This method is more suitable for late-cultivation and over-winter cultivation of celery cultivation, the harvest period is not strict, because the market price is higher the later the harvest price is higher, the closer to New Year's Day and the Spring Festival price is higher, so it should be harvested as late as possible .
Third, between the harvest. When celery is sown in early autumn, when the planting density is high in the field, it can be divided into 2-3 times and the plants grown with commercial value can be listed. Leave the small plant to continue growing until it grows up. Celery, especially celery, grows for a long time and can be harvested in an interlaced manner.
Fourth, the harvest. Also called regeneration cultivation method. After the celery grows up, it is cut with a knife and tied to the market. Do not injure the growth point on the neck and neck. Immediately after weeding, weeded grass, cleaned up dead leaves, and performed loose soil. About 3-4 days after the wounds of the plants have healed, the shoots grow 9-10 cm tall, and then the soil is finely grounded and top-dressed with water. Through careful management, roots can be dug up after 20-25 days.
The selection of the above 4 kinds of harvesting methods should be based on market demand. If local vegetables are in short supply and prices are high, methods such as harvesting, harvesting, or petiole harvesting can be considered. If there are many vegetables in the market and the price is low, it is advisable to dig up the roots. Because early spring cultivation is prone to pre-convulsions, such as harvesting too late, high maturation, deterioration of quality, it should be properly received early. The earlier the market price of celery in the spring is, the higher the early harvest will be, and it will also help increase the economic benefits.
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