Method for cultivating flood-refuge crops in hollow of southwest karst peak cluster

A cultivation method and low-lying land technology are applied in the field of waterlogging avoidance cultivation for crops in low-lying land, which can solve the problems of soil erosion and ecosystem degradation in karst peak-cluster low-lying land, and achieve the effect of increasing farmers' economic income and realizing ecological environment protection.

Inactive Publication Date: 2009-04-22
INST OF SUBTROPICAL AGRI CHINESE ACAD OF SCI
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Problems solved by technology

Under the rogue, local farmers have to cultivate food crops on slopes with thin soil layers embedded in rock crevices, which will aggravate soil erosion in karst peak cluster depressions and lead to ecosystem degradation

Method used

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  • Method for cultivating flood-refuge crops in hollow of southwest karst peak cluster

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Embodiment Construction

[0016] A method for cultivating flood-avoiding crops suitable for southwest karst peak-cluster depressions is as follows:

[0017] 1) Layout of crop planting system: pasture grass is planted in the lowest terrain; potatoes and corn are planted in places with slightly higher terrain, thicker soil layer and relatively high soil fertility; places with higher terrain (not affected by flooding in normal years) Mulberry trees or fruit trees; all slope lands are converted to forest. Considering the long-term economic interests of farmers, chestnut is the main tree species for returning farmland to forests, and woody feed crops such as pea and pigeonpea are appropriately planted in combination with the development of local vegetable and cattle breeding.

[0018] 2) Waterlogging-avoiding cultivation method for lowland crops

[0019] A. Potato avoiding waterlogging cultivation:

[0020] Potato is a tuber propagation crop with wide adaptability. It does not require high cultivation and...

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Abstract

The invention discloses a waterlogging-avoiding crop cultivation method for karst peak-cluster depression area. The method comprises: a. arrangement of a crop planting system, which is to plant pasture; and b. waterlogging-avoiding cultivation method for crop in the depression area: A. waterlogging-avoiding potato cultivation which comprises the steps of potato seed selection and germination, land preparation and fertilizer application, seeding, management and harvest, wherein potato blocks with dedicate, bright and smooth skin are selected as potato seeds and are stored in stacks before seeding, fertilizer application is carried out before land preparation, seeding is carried out after rain when soil contains enough water; B. waterlogging-avoiding corn cultivation which comprises the steps of introducing a new corn variety, planting corn seeds and covering a plastic film in the early growth period of the corn to advance the maturation period of the corn, and top dressing; and C. depression area pasture cultivation which comprises seedling and fertilizer application, field care and fertilizer application, intertillage and weeding, wherein intertillage is carried out together with fertilizer application to improve the resistance of the pasture and to accelerate the growth of the pasture after waterlogging. The method is easy to implement and operation, increases economic income and avoids damages to ecological environment.

Description

technical field [0001] The invention belongs to the fields of agricultural ecology and crop cultivation, and more specifically relates to a set of low-land crop flood-avoiding cultivation methods. This technology is suitable for farmers, seed companies, agricultural scientific research and agricultural technology promotion departments to carry out karst peak cluster depression crop layout and cultivation technology promotion . Background technique [0002] The southwest karst region has a subtropical monsoon climate, and the annual rainfall is unevenly distributed in time and space. Usually, 70-80% of the annual rainfall is concentrated from April to August. The geomorphic characteristics of the fengcong depressions determine that the area cannot discharge the accumulated water in the depressions caused by the heavy rain in a timely manner during the rainy season. Especially in June-July when the heavy rain is concentrated, the fengcong depressions are often flooded, and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C1/00A01C21/00A01B79/02
CPCY02A40/28
Inventor 苏以荣何寻阳王克林
Owner INST OF SUBTROPICAL AGRI CHINESE ACAD OF SCI
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