First, a reasonable selection of varieties of mountain tomatoes due to late sowing, to go through high temperatures, rainy season, it should choose heat resistance, disease resistance to viral disease resistance, storage and transportation is not easy to crack the fruit varieties such as hair powder 802, Zhongza 9 , good powder No.17 and so on. Second, the cultivation of drought-prone mountain tomatoes in the end of April and early May sowing seedlings, seeding volume per 667 meters 2 15-20 grams. Ten days before planting, the seedlings were planted at a place near the water source where no potato had been planted. Each pot was 8 meters long, 1.7 meters wide, and 20 centimeters deep. It applied 2 kg of decomposed chicken manure per metre. Fertilizer 120 grams, fertilizer and soil mixed evenly waiting for sowing. Soaking and germination were carried out 3 days before sowing. Most of the seeds were sown immediately when they were germinated. When the seedlings grow to two leaves and one heart, the seedlings are divided into seedlings with a density of 9 cm. If the seedlings are 667 m2, 4000 seedlings are needed. Generally after 35-40 days when the seedling height 18-20 cm with 8-9 true leaves, stem diameter 0.6-0.7 cm, the majority of buds, began to dig seedlings, until the seedlings 3-4 days, seedlings appearance dry Hard, transport seedlings are not scattered, do not hurt the roots when shipped to the hillside colonization. Third, the selection of fertilization before planting should be strictly selected mountains. First, the soil layer should be thick. Second, the mountain should have a slope that facilitates drainage during the rainy season. Third, the rain above the mountain must not flow through Xihongtian. After the tomato planting site is selected, combined with site preparation or planting, 5,000 m 2 of high-quality organic fertilizer and 20 kg of diammonium fertilizer are applied per 667 m 2 . Fourth, planting technology The mountain tomatoes are planted in mid-June. The technical requirements are: First, the row spacing is 66 centimeters, the plant spacing is 25 centimeters, 23700-4000 strains per 667 meters; secondly, the row between seedling rows and the slope direction is parallel; Third, to plant the seedlings in depth, the ground and the cotyledonary segments are required to be leveled; fourthly, it is recommended to plant the seedlings in water, and not to spread the roots when planting seedlings. V. Field management 1. Immediately after planting, the height of the mast should be 1.5 meters or more. 2, tied vines. One fruit per panicle, tight and moderate. 3, snoring. Due to the single pole pruning, the collaterals should be completely destroyed. 4, thinning fruit. Keep 3-4 fruit for each product standard. 5, after the harvest of panicles should be promptly cleared of the diseased yellow old leaves. 6, weeding soil. Before the rainy season, combined with weeding to raise the arch quotient under the frame, is conducive to drainage and dehydration, and promote the development of adventitious roots. 7, top dressing. When planting seedlings, the pit will be planted with 15 to 20 kilograms of rain per 2 to 6 meters of ammonium carbonate fertilizer per 667 meters. The size of the walnut in one ear is the urea urea 215-20 kg per 667 meters of fruit buried in the roots during fruit enlargement. After the upper part of each layer of fruit expansion should be appropriate amount of fertilizer. Can also be applied outside the root fertilizer 2-3 times, can choose 1% urea, 0.3% potassium dihydrogen phosphate. 8, harvest. In the middle and early August, the Beijing market entered the off-season and the tomatoes were harvested when they were topped with red, green and green shoulders. VI. Pest Control Pests and diseases in mountainous regions are relatively light due to fewer pests and diseases. However, different kinds of diseases and conditions in different climates should be taken care of in time. 1, virus disease. It is easy to occur in arid highland temperature polychaetes. During the production, attention should be paid to deep-seedlings to treat aphids. In addition, 100-fold anti-toxic agent No. 1 can be used to subdivide the seedlings for half an hour before splitting and seedlings can be sprayed. 2, early blight, spot blight. It is prone to happen under high temperature and rainy conditions. Fertilizers should be added to the production. Before entering the rainy season, 800 times of Dakkonin or 500 times of mancozebite or 600 times of Dasheng can be used to control once every 7-8 days. 3, cotton bollworm. Hill tomatoes occur more severely each year and care should be taken to prevent them earlier. From the end of June, combined with disease prevention, use 2000 times of Peach Xiaoling or 1,000 times of killing Cockroach spray to prevent 3-4 times of spraying every 7-8 days.
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