Method for optimizing water level height of Sanjiang currant seedling and method for rapidly recovering degraded saline-alkali wetland plants

A technology of water level height and optimization method, which is applied in the direction of plant cultivation, soil preparation method, botanical equipment and method, etc., can solve the problems of habitat quality destruction, reduction of distribution area, and small number of bulbs in natural wetlands, and achieve beneficial Accumulated effect of rapid colonization and construction and promotion

Inactive Publication Date: 2019-03-15
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the impact of climate change and human activities, the habitat quality of the natural wetland Smilia chinensis is destroyed, the distribution area is reduced, and the number of bulbs is small, which poses a threat to the survival of the rare bird Siberian Crane

Method used

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  • Method for optimizing water level height of Sanjiang currant seedling and method for rapidly recovering degraded saline-alkali wetland plants
  • Method for optimizing water level height of Sanjiang currant seedling and method for rapidly recovering degraded saline-alkali wetland plants
  • Method for optimizing water level height of Sanjiang currant seedling and method for rapidly recovering degraded saline-alkali wetland plants

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Experimental program
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specific Embodiment approach 1

[0027] Specific implementation mode one: the water level height optimization method of the Sanjiang weed seedlings in the present implementation mode is implemented according to the following steps:

[0028] 1. Collecting the bulbs of the Sanjiang weed in the wild: Excavate the bulbs of the Sanjiang weed in the growing area of ​​the Sanjiang weed, wash the bulbs of the Sanjiang weed, keep them in the dark and keep them moist, and obtain bunches of the bulbs of the Sanjiang weed;

[0029] 2. Indoor seedling cultivation: Rinse the clusters of Sanjiang grass bulbs, cut the clusters of Sanjiang grass bulbs into individual Sanjiang grass bulbs, place a single Sanjiang grass bulb in a seedling pot, and use distilled water for hydroponics at 24°C Seedlings were grown in a constant temperature incubator at ~26°C to obtain the seedlings of Sanjiangsi grass;

[0030] 3. Substrate preparation: mix peat soil and quartz sand according to the mass ratio of 3:1, mix evenly, and obtain the cu...

specific Embodiment approach 2

[0037] Specific embodiment two: the difference between this embodiment and specific embodiment one is that in step one, the bulbs of S. triangularis are excavated through (small) plaques, and the depth of excavation is 15-30 cm.

[0038] In this implementation mode, the bulbs of the Sanjiang grass are excavated at intervals in the patch area.

specific Embodiment approach 3

[0039] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that step two utilizes distilled water to carry out hydroponics, keep the water level at 3 cm, and carry out in a constant temperature incubator with a humidity of 80% and a temperature of 25 ± 1°C nursery.

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Abstract

The invention relates to a method for optimizing the water level height of a Sanjiang currant seedling and a method for rapidly recovering degraded saline-alkali wetland plants, belonging to the technical field of ecological restoration and aiming at determining the influence of the water level height on the growth of the three-river currant seedling. The method for optimizing the water level height comprises the following steps of: 1, collecting the corms of the field three-river currant; secondly, indoor seedling raising; 3, preparing a substrate; fourthly, setting a plurality of water levelgradients, and respectively culturing the Sanjiang currant seedlings; 5, calculating the relative growth rate of the seedlings, and measuring the biomass of the currant; and 6, measuring and analyzing. The quick recovery method comprises the following steps of: injecting water into a recovery area until the water depth is between 40cm and 50cm when the Sanjiang currant bulb grows out and the height of the Sanjiang currant seedlings is between 12 and 18cm. According to the method for optimizing water level height of Sanjiang currant seedling and method for rapidly recovering degraded saline-alkali wetland plants , the optimal water level height of the growth of the Sanjiang currant seedlings is determined by researching the influence of the water level on the growth of the three-river currant seedlings, so that the accumulation of the biomass of the Sanjiang currant is effectively improved, and the rapid planting and construction of the Sanjiang currant population are facilitated.

Description

technical field [0001] The invention belongs to the technical field of ecological restoration, and in particular relates to a method for optimizing the water level height of Siamia sanjiangensis seedlings and a method for rapidly restoring plants in degraded saline-alkali wetlands. Background technique [0002] Sanjiangsi is a perennial herb and a dominant species in wetland emergent plant communities. It mostly grows in paddy fields and inland saline-alkali wetlands, and is mainly distributed in Northeast China. Sanjiang Simo has both sexual and asexual reproduction, and can grow and reproduce rapidly through bulbs. In addition, S. sanjiangensis plays an important role in protecting the biodiversity of wetland plants and maintaining the function and ecological balance of wetland ecosystems. The underground bulbs of S. triangularis are high in starch content. They are an important food source for endangered poultry cranes and other herbivorous water birds in the world. They...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/00A01B79/02
CPCA01B79/02A01G22/00
Inventor 娄彦景古勇波潘彦文唐占辉吕宪国
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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