Rotation developing method for fishand wheat in saline and alkaline land

A technology of saline-alkali land and saline-alkali, which is applied in the field of aquaculture and can solve problems such as restrictions on the development of fishery production

Inactive Publication Date: 2006-11-08
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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Problems solved by technology

Therefore, how to solve crop irrigation and expand the area of ​​irrigated land has become one of the key issues fo

Method used

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Embodiment Construction

[0013] Application example: Since 1990, in order to overcome the serious impact of drought and salinity on grain production, the area of ​​irrigated wheat in the west of Northeast China has been continuously expanded. Radishes and other vegetables. The inventor selected two shallow dish-shaped saline-alkali low-lying lands in Gumotun and Baijiaweizi, which are located in the Da'an Science and Technology Demonstration Zone in the west of Jilin Province, with an area of ​​6400m2 respectively. 2 and 8700m 2 In 1991, through engineering measures, it was transformed into 2 fish ponds, which were contracted and operated by 2 farmers. From 1991 to 1993, water was released to raise fish, and the water source was machine well water. Before the winter of 1993, the original fish-collecting ditch at the bottom of the pond was widened and deepened. The width was increased from 3m to 5m, and the depth was increased from 0.5-0.8m to 1.0-1.2m. The area of ​​Jiyugou after transformation acc...

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Abstract

The present invention belongs to the field of agricultural technology, and especially rotating fish rising and wheat planting method in saline and alkaline land. The present invention includes: proper engineering measures to reforming fish pond, water wheat cultivation, raising silver carp and bighead carp, and controlling wheat land humidity. The present invention has high economic utility and ecological benefit.

Description

technical field [0001] The invention belongs to the aquaculture in the field of agricultural technology, and relates to a method for developing and utilizing saline-alkali land resources in the west of Northeast China by adopting the combination mode of fish farming and wheat planting. technical background [0002] The western part of Northeast China is located in a semi-arid area, with an average annual rainfall of 413 mm and an average annual evaporation of 1790 mm. Drought and salinity severely restrict the development of grain production and freshwater fisheries in this area. Therefore, how to solve crop irrigation and expand the area of ​​irrigated land has become one of the key issues for high and stable grain production in the western region; The development of production was also severely restricted. Can we organically combine grain growing with aquaculture to not only ensure food production, but also produce more aquatic products to meet people's living needs. In ...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 杨富亿
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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