Pollution-free characteristics of shepherd's purse The main root of shepherd's purse is relatively developed, and the growth of fibrous root is weak, white, and not suitable for transplanting. During the vegetative growth period, the stems are shortened, and the leaves grow on the shortened stems. The leaf clumps are slumped, green or light-colored, and the leaves are hairy, pinnately deeply divided or completely divided. The seeds are small, ovoid, golden yellow, and have a long dormancy period after they mature. Shepherd's purse is hardy and grows well in cold climates. The suitable temperature for seed germination is 20℃～25℃, the suitable temperature for vegetative growth is 12℃～20℃, the temperature is about 15℃, the growth rate is fast, and it can be harvested about 30 days after sowing; the temperature is lower than 10℃, the growth is slower. Harvest is about 45 days after sowing; the temperature is above 22 ℃, not only grows slowly, but also has poor quality. Shepherd's purse can tolerate a short-term low temperature of -7.5°C, and the plants will not suffer from freezing damage below -5°C. The sprouted seeds or seedlings of shepherd's purse can pass the vernalization stage in 10-20 days under low temperature conditions of 2℃-5℃, bolting and flowering can be achieved under 12 hours of light and air temperature of 12℃. Shepherd's purse has high requirements for soil fertility and moisture. It is planted on a fertile, loose, water-retaining and fertile soil. Shepherd's purse has tender leaves, high yield and good quality. Pollution-free shepherd's purse 1. The shepherd's purse currently cultivated in production includes shepherd's purse and other varieties. The plant has about 18 leaves. The leaves are light green, the edge of the leaf is pinnately cut, and the surface of the leaf is slightly hairy; the color of the leaf becomes darker after feeling the low temperature. Shepherd's purse has strong cold resistance and heat resistance, rapid growth, early maturity, high yield, and the growth period is about 40 days. Due to the wide blades and good appearance, they are welcomed by the market. But the winter nature is weak, bolting and flowering in spring cultivation is earlier. 2. Shepherd's purse, also known as shepherd's purse or shepherd's purse. The leaves are narrow, short, and grow on the ground. Adult plants have about 20 leaves. The leaves are green, the edge of the leaf is pinnately deep, and the leaf surface is more hairy. After feeling the low temperature, the leaf color becomes darker and purplish. The cold resistance is slightly weaker than the shepherd's purse, but the heat resistance and drought resistance are stronger, and the winter resistance is also stronger. In spring cultivation, bolting is late, and the growth period is about 40 days, which is suitable for spring cultivation; the leaves are soft, less fiber, and strong in fragrance.
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Shandong spring rain Water-saving Irrigation Equipment Co., Ltd., founded in 2011, located in Laiwu High-tech Zone, Jinan City. It is a high-tech enterprise focusing on innovative and efficient drip mold manufacturing and drip product development and production. After nearly ten years of innovation and development, now our company is the invisible champion enterprise in Shandong Province, and in a leading position in this field in China.
Our company people-oriented, build talent highland. At present, our company have 16 high, fine and advanced technical person, and cooperates with a number of scientific research institutes, forming a mold design, drip testing, flow rate testing and other professional technical personnel team. In recent years, we have obtained 3 invention patents, 33 utility model patents and 3 patent awards. In 2019, we were identified as an intellectual property advantage enterprise in Jinan city. We have undertaken 4 provincial science and technology innovation projects and won second prizes of Shandong Science and Technology Progress 2 times. Our company have built a drip mold engineering technology research center of jinan city, we have slow wire cutting machine, CNC machining center, precision EDM machine, 3D projection measuring instrument, CNC engraving, laser engraving and other advanced processing equipment. Mature technology and rich experience support the excellent quality of our company. Spring Rain pays attention to each link of production, implements 8S management, strictly controls the quality of products at the beginning, the middle and the end, and forms the seamless link of production and management. Our company have independently researched and developed flat drip molds with full hot runner, round drip molds with full hot runner and other products. With excellent quality, competitive price and good after-sales service, our company is well known at home and abroad, and has been sold well in Egypt, India, Iran, Turkey, Saudi Arabia, the United States and other countries
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