Jatropha curcas L. is also known as Jatropha, green jade tree, hibiscus tree, gorilla, black soap, bright tung, stinky tung, green paulownia, yellow swollen tree, water paint, tung oil tree, fake peanut tree, Euphorbiaceae deciduous shrubs or small trees. It is a light-positive plant, because its roots are stout and developed, and it has strong resistance to drought and thinning oil crops. Due to the branches, stems and roots near the fleshy, the tissues are soft, the water content, the juice is more, it is toxic and it is not flammable. And pest and disease resistance. The oil content of Jatropha curcas seeds is more than 60%. The modified Jatropha oil can be applied to various diesel engines and is superior to domestic key technologies such as flash point, freezing point, sulfur content, carbon monoxide emission, and particle value. Zero diesel fuel meets Euro II emission standards. To this end, Jatropha is called a biodiesel tree. Jatropha curcas planted three years of 600 kg of dry fruit, 4-5 years into the fruit period, the annual output of more than 800 kg of dried fruit per mu, the annual output value of more than 1,500 yuan per mu, a planting can be harvested continuously for 20-30 years.
Jatropha curcas seeds seedling propagation technology and field cultivation and cultivation methods, the details of the operation process are as follows:
1: Selection requirements for the seedbed: As the Jatropha curcas has no special requirements for the acidity and alkalinity of the soil, the soil used for nursery seedlings does not need to be specially modified. Only the topography is flat, the soil is free from weeds, and there is no construction waste and debris. Loam or mountainous soil is acceptable, and in the northern region, a breathable sandy loam seedling can also be selected. After the removal of weeds and other debris from the nursery, artificial adjustment of flats should be applied. At the same time, the soil should be treated with insect pests in order to prevent ground pests such as ground tigers from invading the sprouted seedlings. Carbofuran can be used accordingly. Mix the sand with ground and spread it to the soil to kill the underground pests. If the soil is too poor, it can also be applied to all-element compound fertilizer or organic fertilizer to supplement the soil fertility and level the ground.
2: Seed season of Jatropha: In the south of subtropical areas, Jatropha curcas can be sown all year round, regardless of the season. In the north of the subtropical region, seedlings can usually be planted before the annual Gregorian calendar. The seedling height of the young plants can reach 50-80 cm.
3: Pre-planting irrigation of seedbed: The seedbed after being leveled should ensure the relative humidity of the soil. If the soil is too dry, it should be properly irrigated. The surface of the irrigation can be maintained properly moist without flooding and it can be slightly dry. You can sow.
4: Pre-seeding treatment of seeds: In order to increase the germination rate of Jatropha curcas seeds, the seeds can be soaked with fresh water for 8-12 hours before sowing and then immersed in a 1:5000 solution of potassium permanganate for disinfection. Minutes, seeds soaked and disinfected can be greatly improved
The germination rate of seeds can also significantly shorten the germination time of seeds, which is extremely beneficial to the growth of seedlings in later stages.
5: Seed bed size requirements and sowing methods: In order to facilitate future field management, drill seedlings can be used. A 5 cm deep ditch is set at a spacing of 20 cm and the seeds are sown uniformly into the soil with a width of about 3 cm. The soil is used to cover the seeds completely. In case of continuous drought and no rain, the surface after sowing should also be planted. Stamping once to prevent excessive evaporation of surface moisture is not conducive to the timely germination of seeds. Seeds with 30 kilograms of seeds for sowing and 40 kilograms of seeds for sowing.
6: Field management at the seedling stage: Jatropha seeds after sowing can be germinated and uncovered in about 15 days. The seedling growth of Jatropha curcas is extremely rapid. In the subtropical south area, when the seedlings reach 30 cm or more, you can select During the rainy season, Daejeon will plant afforestation. The Jatropha curcas during the seedling stage should also eradicate the weeds in the nursery to ensure that the normal growth of the J. curcas seedlings is not affected.
7: Transplanting and seedling of seedlings: In the south of the subtropical region, transplanting of Jatropha curcas seedlings can be carried out throughout the year without being affected by seasons. In the north of the subtropical zone, planting is carried out in the spring of the second year after the fall of leaves. Under normal circumstances, the average acreage per acre for mountain afforestation can be calculated based on the average coverage area of ​​the soil. For example, the afforestation site has a deep soil layer and the ground is smooth. The average seedling volume per mu is about 165 strains. The amount of afforestation in the plain area can be used for reference to the above conditions. Calculated with no less than 165 strains, the plant spacing of the Jatropha curcas plantation can be 200200 cm.
8: Late Note: After Jatropha curcas seedlings are planted and planted, no special management is required. After each year, visible growth conditions are given to appropriate fertilization and shaping pruning. Artificial planting should be controlled after pruning to a height of 2.5 to 3 meters. It is advisable that adequate soil fertility and a good tree shape can greatly increase the growth of Jatropha, and can also enter the fruiting period earlier. At the same time, it is worth noting that the growth location of Jatropha curcas should ensure sufficient light intensity. Under the shade of insufficient sunlight, poor growth phenomenon will occur, and the seed setting rate at the later stage will also be affected. In general, the 3-year-old Jatropha can produce more than 600 kilograms of dried fruit per mu, and the 4-5 year-old Jatropha can produce 800-1,000 kilograms of dried fruit per year.
9. Large supply of Jatropha seedlings Seedlings: Our company has 30 million self-produced jatropha seedlings from 2007 to 2008. The seedling height is 30-50 centimeters and the Earth's longitude is 1-2 centimeters; October 2007-2008 years. There are 600 tons of newly-produced Jatropha curcas seeds, the seed germination rate is above 85%, and the purity is over 95%. We sincerely welcome businessmen from all over the world to contact us for business and charge d'affaires for train transportation.
Electric Hydraulic Operating Table
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The Operating Table uses wired mini touch controller.
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Company:
Shangdong province is the main machinery production base in China.
KANGERJIAN Medical Technology Co., Ltd. is a group of senior lighting design expert and machinery manufacturing expert company with 20years experience and factory locating in the east city--the hometown of confucius--Qufu in Shandong province, China.
The Company has passed the ISO:9001:2008 quality system certification, ISO13485:2003 quality system certification, CE certification and CFDA certification, so that the enterprise management standards and product quality is relatively connected to expand the international market for enterprises to lay the foundation.
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