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Farmland irrigation method

A farmland irrigation and farmland technology, applied in the field of farmland irrigation, can solve the problems of high cost, frequent irrigation, and less absorption of natural rainfall, etc., and achieve the effects of improving water resource utilization, improving irrigation quality, and reducing water evaporation

Active Publication Date: 2019-01-15
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the past, most of the agricultural production was shallow plowing and shallow harrowing, only plowing at a depth of 15-20cm, and the hard layer below 20cm absorbs little natural rainfall, which is likely to cause water seepage and cause waterlogging; if it does not rain, the soil surface will run away moisture, forming drought; Many times of irrigation, high cost and poor effect
[0004] Most of the traditional irrigation methods are flood irrigation, that is, do not make any furrows in the field, let it flow on the ground during irrigation, and infiltrate the soil by gravity. Generally, one irrigation needs 450 cubic meters per mu, and the evaporation after flood irrigation is 3mm / days, it can only be maintained for 10 days and continuous irrigation is needed to maintain the growth of crops, which is quite a waste of water

Method used

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  • Farmland irrigation method

Examples

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Effect test

Embodiment 1

[0022] A farmland irrigation method, comprising the following steps:

[0023] S1. Before planting crops, plow the soil 30cm deep, rake 1-2 times, and set up square planting blocks in the farmland. The specifications of the planting blocks are: length 4m×width 2m. Not conducive to moisture penetration;

[0024] S2. Excavate horizontal ditches 1 along the length edge of the planting block on the entire farmland, and excavate longitudinal water channels along the width edge of the planting block. All horizontal ditches 1 are connected to the vertical water channels. The depth of ditch 1 and longitudinal channel is 20cm;

[0025] S3, lay anti-seepage plastic film at the bottom of the longitudinal channel, lay volcanic rock 2 in the soil with a depth of 60 cm at the bottom of horizontal ditch 1, the particle size of volcanic rock 2 is 4 cm, and set up a trapezoidal pit at the bottom of horizontal ditch 1 3. A 20cm long bamboo tube 4 is inserted obliquely downward on the inner sid...

Embodiment 2

[0028] A farmland irrigation method, comprising the following steps:

[0029] S1. Before planting crops, plow the soil 40cm deep, rake twice, and set up square planting blocks in the farmland. The specifications of the planting blocks are: length 6m×width 3m. The width of the planting blocks should not be too large, otherwise it will be unfavorable moisture penetration;

[0030] S2. Excavate horizontal ditches 1 along the length edge of the planting block on the entire farmland, and excavate longitudinal water channels along the width edge of the planting block. All horizontal ditches 1 are connected to the vertical water channels. The depth of ditch 1 and longitudinal channel is 25cm;

[0031] S3, lay anti-seepage plastic film at the bottom of the longitudinal channel, lay volcanic rock 2 in the soil with a depth of 65 cm at the bottom of the horizontal ditch 1, the particle size of the volcanic rock 2 is 8 cm, and set up a trapezoidal pit at the bottom of the horizontal dit...

Embodiment 3

[0034] A farmland irrigation method, comprising the following steps:

[0035] S1. Before planting crops, plow the soil 35cm deep, rake 1-2 times, and set up square planting blocks in the farmland. The specifications of the planting blocks are: length 5m×width 2.5m, and the width of the planting blocks should not be too large. Otherwise, it is not conducive to water penetration;

[0036] S2. Excavate horizontal ditches 1 along the length edge of the planting block on the entire farmland, and excavate longitudinal water channels along the width edge of the planting block. All horizontal ditches 1 are connected to the vertical water channels. The depth of ditch 1 and longitudinal channel is 22cm;

[0037] S3, laying anti-seepage plastic film at the bottom of the longitudinal channel, laying volcanic rock 2 in the soil with a depth of 63 cm at the bottom of the horizontal ditch 1, the particle size of the volcanic rock 2 is 5 cm, and setting a trapezoidal pit at the bottom of the...

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Abstract

The invention relates to a farmland irrigation method, and belongs to the technical field of agricultural plantation. Before crop plantation, soil is deeply ploughed and harrowed for 1 to 2 times, andgrid-shaped plantation blocks are arranged in the farmland by ridging; transverse ditches and longitudinal channels are dug along the edges of the plantation blocks in the whole farmland, all the transverse ditches and longitudinal channels are communicated, and the longitudinal channel are also communicated with a water source; the bottom of each longitudinal channel is laid with an anti-seepageplastic film, soil in the bottom of each transverse ditch is laid with lavas, and a pit with a trapezoidal cross section is formed in the bottom of the transverse ditch; and during irrigation, waterfrom the irrigation water source is input the longitudinal channels constantly, the water enters the transverse ditches from the longitudinal channels and then enters the pits, once irrigation is completely when all pits are full. Compared with traditional flooding irrigation, the method of the invention can be used to save water, and the cost performance is much higher compared with a dropper sprinkling manner which need a lot of labor force for pipeline laying.

Description

technical field [0001] The invention belongs to the technical field of agricultural planting, in particular to a farmland irrigation method. Background technique [0002] In agricultural planting technology, irrigation of farmland in dry weather can ensure a good harvest of crops. Under normal weather conditions, agricultural water takes up 60% of the water. Therefore, the method of water-saving irrigation in farmland has always been the research focus of agricultural planting technology. [0003] In the past, most of the agricultural production was shallow plowing and shallow harrowing, only plowing at a depth of 15-20cm. The hard layer below 20cm absorbs little natural rainfall, which is likely to cause water seepage and cause waterlogging; if it does not rain, the soil surface will run away moisture, forming drought; Irrigation times are many, the cost is high and the effect is poor. [0004] Most of the traditional irrigation methods are flood irrigation, that is, do n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/00
CPCA01G25/00
Inventor 王声锋
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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