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Non-pollution Cultivation Technique of Greenhouse Cucumber
The use of greenhouse pollution-free cucumber cultivation techniques, can significantly improve the quality of cucumber, with its clean, fresh color, delicious and popular with consumers, economic and social benefits are very significant. The main technical measures are: First, choose high-quality varieties, grafting and nursery should use strong resistance, high yield, good quality, Jinchun No. 3, Xintai Michong, Zhongnong No. 5, Zhongnong No. 13, No. 2, No. 2, Zhongnong Early Qing, Bichun, Jinza No. 2 and other excellent seeds were grafted with Yunnan black-skin squash or “90-1†squash, and seeds were sterilized and disease-free nutrient soils were prepared before sowing to cultivate disease-free Zhuang. seedling. Second, re-apply organic fertilizer, with biological fertilizer before planting combined with soil preparation at the end of the ground decomposed chicken manure, cow dung and compost 7-10 cubic meters, and with biological nitrogen fertilizer fertilizer 2-3 kg, biological potassium fertilizer 4-5 kg (Add 10-20 times fine soil and mix with organic fertilizer). 3. Clean the greenhouses, after the fumigation of the medicinal plants before harvesting, the stubble, defoliation, and weeds in the shed are completely removed; before colonization, aerosols such as chlorothalonil and dichlorvos are used for closed fumigation to reduce the number of insect pests. , reduce pest damage. Fourth, high ridge planting, under-membrane dark irrigation in accordance with the north-south direction to make a bottom 90 cm wide, 70 cm wide and 12 cm high ridge, the bottom of the two ridges spacing 30 cm, the upper spacing of 50 cm. On the ridge, two row rows of plantlets were planted with planting distances of 5027-30 cm with soil ridges, and a watering culvert was left in the ridge center. After the planting, the mulch with a width of 0.9-1 m was used to cover the seedlings. This will help improve the ground temperature and ensure proper water supply, but also reduce the humidity and inhibit the occurrence of diseases. V. Scientific top dressing and reasonable watering The new “pollution-free†organic multi-concentrated liquid compound fertilizer developed and developed in Taiwan is used as a top-dressing fertilizer for agricultural fertilizers. 1. During planting, mu is diluted with 100 ml of each of the Agricultural Safety Accreditation No. 1 and No. 6 into a 100-fold solution. 2, after the root melon lived, mu with agricultural protection praise on the 1st 300 ml plus agricultural security praise on the 6th 100 ml diluted 100-200 times liquid irrigation or flushing with water, each pouring two water application of a fertilizer. In addition, from the beginning of the flowering period, we applied 500 times of Nong No. 1 or No. 3, 2% of high-potassium sweet, and 2% of Gansei liquid fertilizer and other biological agents alternately every 10-15 days, and applied CO2 regularly. Gas and fertilizer to improve the resistance to disease and stress, increase yield and improve quality. Under the premise of pouring enough water for colonization, roots are generally not watered before they are housed to promote root development. When the root melon grows to 10 centimeters, it begins to water, and the melons are poured once in the early stage of 10-15 days, and the melons are poured once in the middle and late period of 6-8 days. Watering should be selected on a sunny day. After pouring, the temperature of the shed is increased to 32-35 degrees, and then the air is allowed to cool down and humidity is removed to prevent disease. Sixthly, in order to prevent joint pests and diseases, in addition to adopting measures such as cultivating disease-free strong seedlings, strengthening plant adjustments, reducing humidity, high-temperature stuffy sheds, and nutrient prevention and control, pest control and pest control are mainly used for the prevention and control of pests and diseases. For the symptomatic control of high-efficiency, low-toxicity, pollution-free pesticides such as Wuyimycin, streptomycin for agriculture, fulvic acid 9281, flubromoisocyanuric acid, avermectin (sagogenin), and matrine alcohol, etc. High-efficiency, low-toxic chemical aerosols are used for timely fumigation prevention.