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Plant water retention pit and water retention method of Yunnan phosphorite refuse dumps

A technology for dumping grounds and pits, applied in botany equipment and methods, automatic watering devices, container cultivation, etc., can solve the problems of difficult water retention in planting pits, achieve good water retention effects, simple operation, and maintain soil moisture Effect

Inactive Publication Date: 2015-05-20
YUNNAN ACAD OF FORESTRY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the problem of difficult water retention in planting pits in the vegetation restoration process of Yunnan Phosphate Mine Dump, the present invention provides a plant water retention pit and water retention method in Yunnan Phosphate Mine Dump

Method used

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  • Plant water retention pit and water retention method of Yunnan phosphorite refuse dumps

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Embodiment

[0028] The plant water retention method of Yunnan phosphate mine dump site provided by the invention, through the following steps:

[0029] A. Excavate a pit 1 of 80cm×80cm in the phosphate rock dump for afforestation:

[0030] B, at the bottom of the hole of above-mentioned hole 1, tamping thickness is the subsoil layer 2 that the diameter is less than 2cm and the subsoil layer 2 that is made up of gravel and clay of 15cm, and the wall surface around the hole is tamped, to stop part moisture from penetrating outside the hole;

[0031] C. Place two layers of bamboo open grooves 3 horizontally on the subsoil layer 2, and set one bamboo open groove 3 on each layer, which is stacked on the bottom of the pit 1 in a cross to facilitate water collection and water storage;

[0032] D, on the open groove 3 made of bamboo, lay a dead branch weed filter layer 4 with a thickness of 10cm, to filter the seepage from top to bottom, prevent slag and mud from entering the open groove 3, and s...

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Abstract

The invention provides a plant water retention pit and a water retention method of Yunnan phosphorite refuse dumps. The plant water retention pit comprises a pit, the top of the pit is opened, the middle portion of the pit is a cavity, and the bottom of the pit is closed. The plant water retention pit is characterized in that an opening groove is horizontally formed at the bottom of the pit, a filtering layer is arranged above the opening groove, a base fertilizer layer is arranged above the filtering layer, a planting soil layer is arranged above the base fertilizer layer, a plurality of slant water containing tubes are arranged in the base fertilizer layer and the planting soil layer, the bottoms of the water containing tubes are sealed, and through holes are arranged at the top portions of the water containing tubes. The plant water retention pit can effectively maintain soil moisture in a key period within three years of forest planting. The plant water retention pit fundamentally solves the problem that a planting pit is poor in water retention in a vegetation recovery procedure of the phosphorite refuse dumps, provides reliable technical supports for quick vegetation recovery of the phosphorite refuse dumps in Dianchi river basin, and is favorable for quickening courses of vegetation recovery of the phosphorite refuse dumps. Simultaneously, the plant water retention pit is suitable for water retention requirements of any plant, free of pollution, low in cost, simple in operation and good in water retention.

Description

technical field [0001] The invention relates to a plant water retention pit and a water retention method, in particular to a plant water retention pit and a water retention method used in afforestation at a phosphate dump in Yunnan, and belongs to the technical field of planting. Background technique [0002] The Dianchi Lake Basin in Yunnan is an important concentrated distribution area of ​​phosphate rock in my country. The accumulation of waste rock stripped during the phosphate rock mining process is called a dump. Carrying out vegetation restoration on the phosphate mine dump in Dianchi Lake Basin can not only reduce the pressure of phosphorus pollution in Dianchi Lake, but also improve the ecological environment and increase the economic benefits of land use. However, since the rainy and dry seasons in the Dianchi Lake Basin are relatively distinct, and the soil water shortage is serious in the dry season, the first task of restoring vegetation in the dry phosphate du...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G9/02A01G23/04A01G27/02A01G9/10A01G1/00
CPCY02A40/22Y02P60/40
Inventor 周彬邵金平方向京李耀基李贵祥陆伟才柴勇和丽萍毕波张正海
Owner YUNNAN ACAD OF FORESTRY
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