Leek is a perennial herb of the lily family, adaptable, cold-resistant and heat-resistant, cultivated everywhere in the country, leaves, sunflowers and flowers are edible as vegetables, seeds and other medicinal, soilless cultivation of leeks has the advantages of labor-saving management, high yield, great economic benefits, leeks soilless cultivation nutrient solution formula is urea 15 grams (or 22.5 grams of ammonium phosphate), potassium dihydrogen phosphate 2.5 grams, 15 kg of water, 1.5 can be poured Square meter (about 30 pots). Soilless cultivation of leeks saves water and fertilizer, makes full use of space, and can cultivate leeks that do not grow leeks, do not apply pesticides, and are truly pollution-free. They can be grown all year round, and the mu yield can reach 50,000 kilograms. The price of soilless leeks is several times higher than that of ordinary leeks, and the economic benefits are high. 02 Weifang Jianda Greenhouse Material Co., Ltd. is located in the hometown of flowers and vegetables in China — Qingzhou, Weifang, Shandong, is a collection of greenhouse skeleton production, greenhouse engineering construction, intelligent greenhouse design and manufacturing, installation as one of the technology-based enterprises, the company undertakes all over the country and abroad, all types and scales of greenhouse construction work, looking forward to cooperating with you, the company relies on local vegetables, flowers hometown advanced Technical and management experience, thanks to the unremitting efforts of our professional and technical staff, we have successfully designed a series of greenhouse types suitable for the national conditions of various countries and regions according to the climatic conditions of different regions. We have developed a series of greenhouses such as film single greenhouse, film greenhouse, glass smart greenhouse, solar panel smart greenhouse, solar panel smart greenhouse, solar greenhouse, photovoltaic greenhouse, soilless cultivation greenhouse and multifunctional greenhouse. Supporting facilities and products, the company takes customer needs as its development direction. The one-stop service from vegetable greenhouses land selection, design, overall construction, agricultural seedling supply to vegetable cultivation technical guidance, vegetable sales, etc., is effectively implemented into practice, so that customers have no worries. We sincerely welcome new and old customers from all walks of life to visit and negotiate business!! 02 02 02 02 02 02 02 02 02 0202