The autumn and winter celery cultivated in a plastic greenhouse or a solar greenhouse adopts eucalyptus leaves harvest, which is 40% higher than that of the autumn and winter and winter oysters harvested by conventional methods, thereby improving the economic benefits of the cultivation of the protected facilities.
First, the timely leaves can be carried out when the plant grows to a height of 70 cm. 1-3 leaves of the outer leaves, leaving 2-3 leaves. Note that the eucalyptus leaves should not be excessive, and the leaves should not be damaged when the leaves are sown, so as not to affect the normal growth of celery. For one plant, the eucalyptus leaves are once every 15-20 days, and in the case of the whole field, the eucalyptus leaves can be continuously marketed. During the whole harvest period, each celery can be 3-5 times, and the harvesting period is up to 100 days. When the sesame leaves are not harvested from the end of February to the beginning of March, the whole plant can be harvested at one time.
Second, the management of the flower buds after the control of the eucalyptus leaves promotes vegetative growth. After raking leaves, spray 7 times with 75% chlorothalonil WP 600 times to prevent pathogens from invading the wound. About 7 days after the loquat leaves, the temperature in the greenhouse should be increased by 5 ° C - 8 ° C and watered once to promote wound healing and root regeneration. Then apply 1000 kg of thin manure water per acre or 1 kg of diammonium phosphate, and apply 100 kg of water. If the vegetable land is good in soil quality, the base is fat, and the plant grows prosperously, it can also be used without top dressing.
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