Euphorbiae caper and jatropha curcas interplanting method
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A technology of jatropha and jatropha, applied in the field of forest crop planting, can solve the problems of insufficient use of land, excessive weeding costs, and inefficient production of production benefits.
Inactive Publication Date: 2008-10-15
RES INST OF TROPICAL ECO AGRI SCI YUNAN ACAD OF AGRI SCI
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Problems solved by technology
Because Jatropha curcas is a tall shrub and arbor species, the understory area between the row spacing of cultivated plants is often just growing weeds, which not only brings too much weeding cost for field management and maintenance, but also the land is not fully utilized, and the production efficiency is reduced. Can not be brought into play efficiently, for this reason, the present inventor researches and proposes the method for planting Caper jatropha among the plants of the same family according to the biological characteristics of two kinds of plants of the same family
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Embodiment 1
[0027] Follow the steps below
[0028] 1. Seedling raising: In March, open a 5cm deep shallow ditch on the well-arranged seedling surface, the distance between the ditch (row spacing) is 20cm, and sow Jatropha curcas and caper seeds on demand at a plant spacing of 10cm and 5cm respectively, and cover the soil to the surface Flattened, watered thoroughly, and managed for 3 months for seedling transplantation.
[0029] 2. Preparation for interplanting: Open a 50cm-wide strip-shaped flat along the contour line of the planting plot, and the distance between the centers of the strips (row spacing) is 300cm. Leave 10cm of loose soil at the bottom; dig two 20×20×20cm caper planting ponds between the Jatropha curcas plants at a spacing of 50cm, and leave 5cm of loose soil at the bottom of the ponds.
[0030] 3. Interplanting: Jatropha curcas is planted in a pond of 40×40×40cm, caper is planted in a pond of 20×20×20cm: arrange the planting depth according to the size of the seedlings,...
Embodiment 2 and Embodiment 3
[0038] Embodiment 2 and embodiment 3: except that high-efficiency compound fertilizer: the amount of superphosphate fertilizer applied to the base fertilizer and the amount of topdressing fertilizer are different, all the other operating methods are the same as in embodiment 1, and will not be repeated. See Table 1 for the differences.
[0039] Table 1 Embodiment 1, embodiment 2 and embodiment 3 operation difference and its effect
[0040]
[0041] Note: [1] The ratio of high-efficiency compound fertilizer: superphosphate fertilizer in the basal fertilizer of Jatropha curcas and capers is the same,
[0042] [2] The ratio of high-efficiency compound fertilizer: superphosphate fertilizer in the topdressing of Jatropha curcas and capers
[0043] According to the above examples, the caper grows for 2 years and is harvested. By measuring the yield, the average harvested seed per mu is 287.3kg, and the economic income is increased by 581 yuan.
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Abstract
The invention discloses a method for interplanting of euphorbia lathyrus and cortex jatrophae and belongs to the technology field of crop planting. The method comprises the steps of seedling raising, interplanting land preparation, interplanting, managing and seed harvest. The interplanting land is a strip-shaped level land of 50 cm width and has a row spacing of 300 cm in the center. The pond for planting cortex jatrophae is of 40*40*40 cm size and has an intrarow spacing of 200 cm. Two ponds for planting Euphorbia lathyrus, with an intrarow spacing of 50 cm, are dig between rows of the cortex jatrophae. The field management of seedling supplementation, weeding and fertilizer supplementation are performed at the month 1, the month 6 and the year 2 after field planting. In the invention, two crops with high seed oil content are interplanted, so as to increase the economic benefit unit area. The yield of Euphorbia lathyrus seeds is about 287 kg per mu, and the economic return is 500-600 RMB. The method in the invention promotes the high-efficiency construction of production bases using cortex jatrophae raw material as biological energy source.
Description
technical field [0001] The invention relates to the technical field of planting forest crops, in particular to a method for interplanting Caper caper and Jatropha curcas. Background technique [0002] Jatropha curcas (Jatropha curcas) is a drought-resistant, barren-resistant perennial, multi-purpose tree species, widely distributed in tropical or subtropical regions, mainly in America and tropical Africa. my country is mainly distributed in Yunnan, Sichuan, Guangxi, Guangdong, Hainan and other places, with the most in Yunnan, followed by Sichuan. Planting jatropha can increase vegetation and improve the ecological environment. Its seeds and sap are widely used in medicine, chemical industry, protein feed, etc. In particular, the crude fat mixture obtained by pressing from seeds can be further chemically transformed to obtain an ideal environmentally friendly mechanical fuel, called biodiesel. [0003] Euphorbia lahyris and Jatropha curcas belong to Euphorbiaceae, biennial...
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