A Method for Rapid Carbon Sequestration Using Cardamom Understory

A kind of grass cardamom, fast technology, applied in the field of forestry and forest management, can solve the problems of low productivity and poor ecological benefits, and achieve the effect of good shade tolerance, large biomass and easy cultivation

Active Publication Date: 2021-11-16
SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims at the prominent problems of low productivity and poor ecological benefits of large-area artificial forests. The purpose of the present invention is to provide a method of using understory plants to fix carbon and increase sinks through rational allocation of understory plants. Rhizomes, strong germination, fast reproduction, fast decomposition and turnover of fleshy rhizomes, combined with breeding technology and understory branch rapid forestation technology to integrate a method for carbon sequestration and sequestration of understory plants

Method used

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  • A Method for Rapid Carbon Sequestration Using Cardamom Understory

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Cultivation of first year cardamom seedlings:

[0033] (1) Seed collection: From August to September every year, when the cardamom seed coat turns yellow, select plants that grow vigorously and are free from diseases and insect pests, and pick the fruits and keep them as seeds.

[0034] (2) Seed treatment: Peel off the peel as soon as possible after harvesting the fruit, take out the lumpy seeds, mix them with fine sand in equal proportions, rub the seeds into granules, rub them thoroughly, and then soak the seeds in clean water for 12 hours.

[0035] (3) Seedling site is established: select sunny, well-drained, plots near water sources, deep plow the whole furrow, and plant seedlings in a ratio of 5-10wt% by substrate (cultivation soil and organic fertilizer are mixed in a mass ratio of 100:1) The field soil and the substrate are evenly mixed, beaten and raked, and the seeds are evenly spread, covered with a layer of culture soil with a thickness of 1cm, and covered wi...

Embodiment 2

[0039] Mazhan Acacia Forest in a field experiment station.

[0040] (1) Choose the decaying Acacia japonica forest, and cut down all the shrubs and grasses under the forest.

[0041] (2) In the spring of the second year, the cardamom seedlings cultivated in embodiment 1 are planted under the Acacia japonica forest with a canopy density of 30-60%, and the horizontal ditch is dug along the contour line for planting, with a row spacing of 50 × 50cm , the ditch depth is 20-30cm, and the planting ditch is loosened once half a year after planting.

[0042](3) In the spring of the third year, select a strong plant as the mother plant, dig out the fleshy massive underground rhizome with buds of the mother plant, divide the fleshy massive underground rhizome into individual plants, and keep 8-10cm in each section, at least 1-2 bud points to obtain a single plant of fleshy massive underground rhizome; or in late spring and early summer, dig out the fleshy massive underground rhizome of...

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Abstract

The invention discloses a method for quickly sequestering carbon under a forest of cardamom, comprising the following steps: collecting seeds of cardamom in August-September of the first year, sowing seedlings; planting seedlings of cardamom in a certain canopy in the spring of the second year Dig horizontal ditches along the contour line for planting; after the third year, use the fleshy massive underground rhizome ramets of cardamom, and transplant the ramets of cardamom continuously in spring, summer and late autumn, so as to realize continuous ramets without raising seedlings transplant. This method is simple to plant, has strong adaptability, and is easy to operate. The coverage rate can reach 50% in the same year. After that, it can be planted continuously except in the dry season, so as to achieve rapid expansion of area, improve forest carbon sequestration capacity and soil fertility, and increase ecological benefits. , to achieve the purpose of sustainable forestry management.

Description

technical field [0001] The invention belongs to the technical field of forestry and forest management, and in particular relates to a method for quickly sequestering carbon under a cardamom forest. Background technique [0002] As an important part of the forest ecosystem, understory plants affect above-ground ecological processes such as seedling regeneration, forest succession, species diversity, forest productivity, and soil and water conservation. They also affect root system and litter decomposition, soil nutrient cycle, and soil moisture. Underground ecological processes. Although it plays an important role in ecology, it is often easily overlooked due to the relatively small proportion of biomass in the total biomass. In order to facilitate forestry operations, traditional forestry operations mostly use burning and chopping to remove understory plants, resulting in serious ecological problems such as atmospheric environment, soil erosion, nutrient leaching loss, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/00A01B79/02
CPCA01B79/02A01G22/00
Inventor 林永标王俊陆宏芳汪雁佳
Owner SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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