Greenhouse Strawberry and Bitter Melon Intercropping Technology

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Greenhouse strawberry and bitter gourd interplanting is a new planting method. It can improve the land utilization rate and achieve better benefits. Now the specific method is introduced as follows.

(1) Cultivation techniques of strawberries 1 Variety selection. Special varieties suitable for cultivation in protected areas should be selected, such as Japanese Tokama. 2, nursery. Stems are usually bred. (a) Selection of mother plants. In order to cultivate quality seedlings, special mother plants should be selected. Requires obvious varieties, strong growth, no pests and diseases. (b) Colonization of mother plants. Planting period from mid-March to mid-April, the mother plant with soil, remove the old leaves, diseased leaves and flower stems. According to the spacing of 80cm or 100cm single line in the side of the plant. (c) Mother plant management. The arched shed is insulated and moisturized, and gibberellin can be sprayed to promote early-onset and multiple stolons. After the mother plant survives, until mid-July, nitrogen fertilizer is the main fertilizer, and 1 thin fertilizer is applied every 15 to 20 days. In the flowering period, spikes and sporadic early-stage stolons are removed. After the stems are pumped, they are sorted and crushed in one direction, allowing the stems to grow toward one side. In the rainy season, pesticides are sprayed to prevent pests. During the high temperature period, shading nets were used to protect the seedlings. (d) Promote flower bud differentiation. There are short-day treatment and cooling treatment. The use of short-day treatment, to be shaded 1 month before planting, with a strong shade of silver gray film or black film, daily from 6 pm to 8 o'clock the next day to cover, so that the sunshine hours shortened within 10 hours. 3 Soil preparation and fertilization. Basal fertilizer should be sufficient for long-term organic fertilizer. Each 667 square meters can be used to produce 5000kg of manure, 2000kg of chicken manure, 300kg of cake fertilizer or 30~40kg of compound fertilizer. The base fertilizer is fully applied and fully mixed with the soil. The interior of the greenhouse is made of 6 inches, with a width of 60 to 70cm, a width of 30 to 40cm, and a height of 40cm. 4 timely planting. The colonization time for protected cultivation is generally from mid-August to mid-September. Select 5 to 6 unfolded leaves with well-developed roots and disease-free seedlings to remove old yellow leaves and weeds, and bring the soil on a cloudy or sunny evening. Colonization. Plant spacing 15 ~ 20cm, spacing 90cm. After planting, adequate watering or thin human fecal urine is applied, and the amount of nitrogen fertilizer is controlled after survival to promote the sprouting of stolons. 5 field management. (a) Timely film insulation. After the first axillary buds were differentiated in late October, the plants were filmed before they had entered dormancy. (b) Fertilizer management. Always add water and fertilizer. During the whole growing season of strawberries, 2 to 3 top dressings are required. The first time was priming fertilizer, which was applied 2 to 3 days after planting, mainly nitrogen fertilizer; the second time was fruit fertilizer, applied before flowering, mainly nitrogen and potassium fertilizer; the third time in the first and second After the fruit is harvested, phosphorus and potash fertilizers are mainly used. (c) Plant finishing. Leaves 2 to 3 squid per plant and retain 12 to 15 robust leaves, removing old and diseased leaves in time. The inflorescence of each file should be removed promptly when the fruit is harvested quickly to stimulate the inflorescences of the new inflorescence. (d) Pest control. The main disease is old age sickness. Ventilation and ventilation should be done well, and the plants should be cleaned up and used for prevention and treatment with quick keratin or smoked spirit.

(2) bitter melon cultivation techniques: 1 species selection. Should choose strong growth potential, strong branching ability, heat-resistant, disease-resistant varieties, such as Changbai bitter gourd, Qingfeng bitter gourd and so on. 2 sowing seedlings. Interplanted bitter gourd sowed in mid-January. Seed soaking before sowing, germination, 2 to 3 days after transplanting into the nutrients cultivation. Nursery sheds maintain a temperature of 25 to 30°C during the day and 15 to 18°C ​​during the night, with less watering and more light. From the two true leaves of the seedlings, we began to increase the output of the bitter gourd, and sprayed it once every 3 to 4 days for a total of 3 injections. 3 colonization. Ground temperature stabilized at above 10°C and the bitter gourd seedlings were planted on both sides of the shed and on the middle of the shed. Dig a hole in the middle of a hole and apply a little compound fertilizer. The spacing between the pruning was 50 cm and 100 cm for the non-pruning. When planting, the root should not be in direct contact with the compound fertilizer, the cotyledons should be exposed on the ground, and the root water should be poured after planting. 4 field management. (a) Intertillage. After the root water is poured, the first cultivating is performed for 4 to 5 days, and the depth is 7 to 10 cm. The second cultivating is performed two weeks later, and the depth is 3 to 5 cm. No cultivator after the scaffolding. (b) Dressing. The first dressing was performed on a sunny evening in the evening 2 to 3 days after colonization, and diluted human excrement was applied. The second time was applied before flowering and the third time after harvesting two times. Nitrogen, phosphorus, and potassium were used in combination. In addition, it is also possible to top-dress the foliage. (c) Remove strawberries. One week after the bitter gourd colonization, the strawberry on the edge of the bitter gourd may be properly removed as needed. After another week (late April), all the strawberries on the planting louse can be removed. (d) Stretching vines. Bring bitter gourd on both sides to the middle of the vine. When the vine grows 30cm, it is tied with vines. After that, it is tied every 4 to 5 knots. (e) Trimming. After the main vine is 1m long, two stout side vines are selected to lead to the main vine growth direction. For some female flowers, some female flowers may be properly removed. When there are too many male flowers, unopened male flowers may be removed.

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