Winter and spring cucumber management has three phases

Pre-management

From the time of colonization to the harvesting of cucumbers, the management during this period is called pre-management, and the center of pre-management is to control the roots. Although the temperature and light during this period have been significantly reduced, they have not yet reached the lowest point. To take full advantage of favorable climatic conditions during this period, strengthen management, promote root development, and enhance plant adaptability to low temperatures, low light, and special weather. The level of advanced management technology has an important impact on plant growth, disease resistance, cold tolerance and yield during the middle and later stages.

Before pouring the first three waters: First, pour well on the planting water to prevent the stratum and surrounding soil from stratification, affecting the seedlings. After 10-15 days of planting, pour well the seedling water. This water should be poured thoroughly, poured from the ditch in the middle of the bowl, and the water level should be set to the planting hole. Root melon harvested sunny morning after pouring the third water, also called gulon water.

Root control: In order to promote seedling growth within one week after planting, it is 25-32°C during the day and 15-17°C at night. After easing the seedlings, increase the amount of air release. The maximum height at noon on sunny days should not exceed 30°C, and nighttime should be 15-12°C. You can maintain the temperature at 10°C before exposing the curtain in the morning. Increase the temperature difference between day and night and control the growth of the above ground.

Plant hanging vines and adjustment: When the plant grows to 6-7 leaves after throwing vines, timely vines. As the stalks grow, the vines are wrapped around the sling and every 2-3 days thereafter.

Mid-term management

The management from root melon harvesting to early March is called mid-term management. During this time, the temperature is lowest in the production of cucumber in winter sorghum, and when the light is the weakest, it is difficult to manage, and it is also the peak of production output value.

Temperature Management: During this period, temperature management is the core. During the day, the lighting time should be extended as much as possible. Under the premise of not affecting the indoor temperature, the straw curtain should be uncovered as soon as possible, and four-stage temperature management should be implemented. The temperature should be 8:00-13:00. Controls between 25-32°C. Exhausting begins when the temperature exceeds 32°C.

Humidity management: Due to the low temperature in winter and the small amount of indoor ventilation, it is easy to form a high-humidity environment and various diseases occur. For this feature, low-temperature and low-humidity management measures should be implemented. During the day, the air humidity is controlled at 60-80% and maintained at 85-90% during the night. Watering times should be reduced as much as possible, no drought or watering, and a large amount of air should be released after the water is used. Select as many aerosols and dust as possible when using drugs. Top dressing: With the increase of picking amount, add nutrients in time. According to the harvest amount and plant performance, the type and quantity of topdressing fertilizers are determined. Generally, the fourth water begins to be top-dressed with water. If the leaves and melon strips are darker in color, the topdressing fertilizer is mainly nitrogen fertilizer, supplemented by phosphorus and potassium fertilizers, and attention is paid to calcium and magnesium. Supplement of other trace elements. Fertilizer is dissolved first with water after application. If the plants are lighter in color and the leaves are larger, phosphorus and potassium fertilizers are the main factors. The amount of top-dressing should follow the principle of “eat less and eat more” and avoid over-proportioning of top-dressing.

Post management

Falling and picking leaves: With the growth of the plants and the successive harvesting of the cucumbers, the vines must be taken when the growth point approaches the roof. The method is to untie the plastic rope on the iron wire at the top of the fallen vine, so that the growing point of the cucumber is dropped to a suitable height and then re-arrested. The old leaves and diseased leaves in the lower part will be promptly removed before falling. Can reduce nutrient consumption, improve ventilation and light conditions, to avoid disease transmission.

Strengthen water and fertilizer management and extend harvesting period: After entering April, in order to prevent plant aging and defertilization, extend the harvesting period as far as possible, at this time pay attention to strengthen the management of fertilizer and water, generally 5-7 days watering once, 7-10 days Chasing a fertilizer, and ensure the quality of fertilization. If the flower is topped and appears to be in atrophic state, bored tips can be used to pick up the heart and promote recovery. In order to increase the commodity rate of melon strips, the melons, sick melons and excess melons should be promptly removed. Harvesting must be timely, and it is not possible to delay the harvest and affect the commodity rate and total output of Guai.

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