Method for transforming soda saline-alkali soil waste fishpond into typha wetland

A technology for soda saline-alkali land and fish ponds, applied in land preparation methods, agriculture, applications, etc., can solve the problems of high mortality, low seedling germination rate, low population density, etc., achieve clear goals, strong operability, and avoid water resources. wasteful effect

Pending Publication Date: 2021-01-19
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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Problems solved by technology

[0005] In order to solve the problems of low seedling germination rate, high mortality rate and low population density in the process of transplanting cattails in fish ponds in soda saline-alkali land, the present invention provides a method for transforming abandoned fish ponds in soda saline-alkali land into cattail wetlands

Method used

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  • Method for transforming soda saline-alkali soil waste fishpond into typha wetland

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specific Embodiment approach 1

[0016] Specific implementation mode one: In this implementation mode, the method for transforming the abandoned fishpond in the soda saline-alkali land into a cattail wetland is carried out according to the following steps:

[0017] 1. Desalination of abandoned fish ponds and micro-landscape modification: Drain the abandoned fish ponds to be transformed into cattail wetlands, remove weeds, inject fresh water into the abandoned fish ponds, and turn the soil with a tiller at the same time to reduce the salt content of the soil Drain the water in the fish pond after 0.47%; then harrow the field with a rotary tiller;

[0018] 2. Collection and processing of cattail rhizomes: select strong cattails with strong reproductive ability, dig out the underground rhizomes of cattails, remove the top leaves, and then immerse the roots of cattails in water;

[0019] 3. Transplanting cattail rhizomes: Inject fresh water into the modified fish pond in step 1, the water depth is 1-5cm, and then...

specific Embodiment approach 2

[0026] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in Step 1, the depth of the rotary cultivator harrowing the field is 15-20 cm. Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0027] Specific embodiment three: the difference between this embodiment and specific embodiment one is: the row spacing and plant spacing of transplanting cattail rhizomes in step 3 are 10-20 cm, and the depth of entry into the soil is 5-8 cm. Other steps and parameters are the same as those in Embodiment 1.

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Abstract

The invention discloses a method for transforming a soda saline-alkali soil waste fishpond into a typha wetland, and relates to a transformation method of the soda saline-alkali soil waste fishpond. The method solves the problems of low seedling germination rate, high death rate and low population density in the typha transplanting process of the soda saline-alkali soil fishpond. The method comprises the following steps of 1, desalting the waste fishpond and carrying out micro-landform modification; 2, collecting and treating typha rhizomes; 3, transplanting the typha rhizomes; and 4, performing ecological water supplementing in the growth period. The method is high in operability and clear in target, water resource waste caused by blind water supplementation in the middle growth stage oftypha is avoided by establishing reasonable typha ecological water supplementation measures, and typha seedlings are high in germination speed, germination rate and population density, and low in death rate.

Description

technical field [0001] The invention relates to a method for transforming abandoned fish ponds in soda saline-alkali land. Background technique [0002] Cattail (Typha orientalis Presl), a perennial freshwater aquatic plant, is widely distributed in rivers, lakes, ponds, along the banks of ditches and shallow wetlands. Cattail, also known as cattail cattail, is also called water candle because of its gorgeous and strong inflorescences and peculiar candle-like shape. The plant height of cattail is generally between 1.5 and 2.5m, and its leaves are straight and narrow and linear, 35 to 100cm long and 0.5 to 0.5cm wide. 0.8cm, dark green in color, shaped like an arrow, known as "elegant swordsman", has a strong ornamental value, and is the preferred aquatic plant for restoration of degraded wetlands. The underground rhizomes of cattail are mostly milky white, the stems are relatively thick, and gradually become thinner upwards. There are many fibrous roots growing at the stem ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02
CPCA01B79/02
Inventor 宋铁军佟守正安雨崔庚刘言张洺也齐清朱光磊
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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