A method for improving the afforestation efficiency of tea tree seedlings in abandoned land in rocky desertification areas
A technology of rocky desertification and tea tree, applied in afforestation, forestry, climate change adaptation, etc., can solve the problem of long recovery period of tea tree plants, difficulty in achieving satisfactory results, and small growth of plant height/basal diameter To achieve the effect of improving the survival rate of afforestation, reducing the difficulty of transplanting, and shortening the recovery period
Inactive Publication Date: 2020-07-28
GUANGXI INST OF BOTANY THE CHINESE ACAD OF SCI
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Problems solved by technology
Under the influence of factors such as strong light, high temperature and drought in rocky desertification areas, there are phenomena such as long recovery period and small growth of plant height / basal diameter in conventional seedling afforestation. It is difficult to obtain Satisfactory effect
So far, in the artificial afforestation technology in rocky desertification areas, there is no relevant report on the use of nursing plants to improve the survival rate of afforestation tree species and plant growth.
Method used
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Embodiment 1
[0017] This experiment was carried out in Longhetun, Buyao Village, Guohua Town, Pingguo County, Guangxi. The village is located in the south of Pingguo County, in the middle of the karst mountainous area in southwestern Guangxi, adjacent to the Youjiang River Valley. It belongs to a relatively typical distribution area of fengcong depressions, with serious rocky desertification and a wide distribution area. In March 2013, a piece of abandoned cultivated land that had been abandoned since 2006 was selected for the afforestation experiment of the combination of Vitex japonica and Vitex japonica. for 2 years.
[0018] 1. The test method and main steps are as follows:
[0019] (1) Take the plot test method, and set up 4 test treatments in total:
[0020] ①Single species of tea stick wood, cut to a height of 100cm;
[0021] ②Single species of tea stick wood, with a cut-off height of 40cm;
[0022] ③The tea tree is mixed with the yellow Vitex, and the dry height of the tea tr...
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The present invention discloses a method of improving afforestation efficiency using delavaya toxocarpa seedlings in an abandoned land of a rocky desertification area. The method is specifically as follows: selecting the abandoned land of the rocky desertification area as an afforestation area; firstly planting negundo chastetree in the afforestation area, and then planting the delavaya toxocarpa under the crowns of the negundo chastetree. The afforestation survival rate and the growth increment of plants at the earlier stage of delavaya toxocarpa seedling planting are increased under the protection action of the negundo chastetree. Compared with a traditional afforestation method, the method in the present invention employs mixed planting of the negundo chastetree and the delavaya toxocarpa which are common in the rocky desertification area. On one hand, the negundo chastetree is easily available with low transplanting difficulty, and is extremely high in survival rate and short in recovery growth stage; on the other hand, the afforestation survival rate and the growth increment of plants of the delavaya toxocarpa in 1-2 years after the afforestation can also be effectively increased. Test data provided by the applicant indicates that the total increments of the average heights of one-year plants and two-year plants of the delavaya toxocarpa seedlings after the afforestation are 36.1 cm and 116.5 cm, respectively, while that of the conventional afforestation method is only 5.7 cm and 29.1 cm, respectively.
Description
technical field [0001] The invention relates to a method for improving the afforestation efficiency of tea tree seedlings in abandoned land in a rocky desertification area, and belongs to the technical field of barren mountain afforestation. Background technique [0002] Planting seedlings and afforestation is one of the most important technical methods for vegetation restoration in rocky desertification areas. However, due to the difficult site type of artificial afforestation in this area, the soil layer is barren or has no continuous soil layer, and it is restricted by factors such as strong light, high temperature and drought. , There have always been problems such as low survival rate of afforestation, small plant growth and poor comprehensive benefits. [0003] Chatiaomu is a common native pioneer tree species in the karst mountainous areas of southwest Guangxi. It is also used for barren hill greening, firewood and oil, and has strong adaptability to rocky desertifica...
Claims
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IPC IPC(8): A01G23/00
CPCA01G23/00Y02A40/22Y02P60/40
Inventor 吕仕洪白坤栋姚月锋唐赛春徐广平黄甫昭韦春强曾丹娟李象钦潘玉梅
Owner GUANGXI INST OF BOTANY THE CHINESE ACAD OF SCI
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