In the winter and spring greenhouses, loofah and leeks are economically effective. After three years of experimentation, the output value per mu is generally 6000-8500 yuan. The outstanding feature is that the leeks are mainly before and after the Spring Festival, and the gourd is mainly after April. Its efficient cultivation techniques are summarized as follows:

I. Variety selection

Luffa uses local fine varieties Yanling sponge gourd, and leeks are Thai wolfberry.

Second, do the earthwork

Combine the ploughing and sowing soil, apply enough basal fertilizer, apply 500 kg of compost to every standard greenhouse (30 m6 m), 30-40 kg of compound fertilizer or 50 kg of decomposed chicken manure. In the middle of the greenhouse, there are 3 wide poles, and the Qilian gap is 1.5m wide. On both sides of the greenhouse, two narrow poles are made and the width is 60cm. Permeate the water before planting and pull the greenhouse film.

Third, planting seedlings

In mid-November, the leek was soaked and germinated and then broadcasted. After planting, 3kg per shed was used. After sowing, a layer of 0.5cm fine soil was spread. After covering the shade net and keeping the surface wet, the seedlings were sprayed once after being unearthed for 3-5 days. 800 times 70% thiophanate-methyl WP or 64% WP WP to prevent damping-off. In the middle and late December, loofah was used for centralized nursery. Seeds soaked for 24 hours were germinated for 3 to 5 days and buds were sown in nutrient bowls. The formula for the nutrient soil is 1 piece of fire earth, 2 pieces of field soil not planted with melon, 1 piece of plant ash, 2 grams of nutrient soil per cubic meter plus 2.5kg of calcium magnesium phosphate fertilizer, 0.25kg of urea, and 50% after the planting. Carbendazim WP wetted 600 times. The nutrition pods are arranged closely, covering the mulch film for moisturizing, 50% of the seedlings unearthed and then uncovered, and then transferred to seedling management.

Fourth, field management

The key technology in field management is the prevention and control of the leek disease before and after the cold current. The early ripening of loofah should pay attention to the previous low-temperature management, timely pruning and culturing of Litchi and control of Liriomyza.

1. Shepherd's purse: Shed leeks are usually watered on sunny days at noon to avoid a sharp drop in earth temperature. After harvesting two pods, topdressing urea can be combined with watering (2 kg per shed per shed), and appropriate ventilation time can be extended after watering. Two or three days before the onset of the cold, or spraying in time after the cold, 77% can be used interchangeably and 58% of the toxic Mn-Zn wettable powder 500 times liquid to prevent white rust lee, brown spot and other common diseases.

2, loofah: narrow leeks on the leek in mid-February, the whole plant can be harvested on the market, after the formation of mulching film, sponge gourd colonization in the middle of a narrow gap, spacing 35cm. Narrow leeks can also be reserved for gaps and directly plant loofah. At this time, in case of cold weather, iron wire can be used to hold a small arch to keep it alive. In March and mid-March, when vines grow to 60-70cm, they can be introduced with plastic ropes. In April and mid-April, as the temperature rises rapidly, the film can be removed. When the price of leeks is reduced to 0.8 yuan/kg, clear loquats are made, and loofahs are started to be topdressed with soil and pruned with vines. Topdressing compound fertilizer 20kg, urea 5kg. Loofah leaves 3-4 fruit after the first topping, leaving a strong side vine to replace the main vine, and other thin side vines removed. After the first batch of melons were harvested in mid-to-late April, the main vines were again stretched by about 1m to leave 4-5 fruits topping again, and the excess male flowers and side vines were removed and some old leaves were removed as appropriate. From late April to late May, in the early stages of fruit fly and Lizard fly, Da Gongchen WP 2500 or 52.25% farmland cream 1000 times, 5d1 times, 2-3 consecutive times. Greenhouse loofah is managed in the late stage with the open field cultivation. In order to improve the loofah's commercial quality, a plastic bag with a small amount of soil can be hung at the flower buds after flowering, and the loofah can be straightened by gravity. Greenhouse loofah can be cultivated in early and late July.

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