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Furrow three-dimensional planting technique for improving light energy utilization efficiency of summer corn

A technology of three-dimensional planting and summer corn, applied in the fields of application, grain cultivation, fertilization methods, etc., can solve the problems limited to ridge farming or furrow planting, and achieve the effects of easy technology mastery, easy production and application, and enhanced photosynthetic performance

Inactive Publication Date: 2019-01-18
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Previous studies have been carried out on the regulation effect of ridge and furrow planting on the microenvironment and water use efficiency of crop growth, but most of them are limited to ridge or furrow planting.

Method used

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  • Furrow three-dimensional planting technique for improving light energy utilization efficiency of summer corn
  • Furrow three-dimensional planting technique for improving light energy utilization efficiency of summer corn
  • Furrow three-dimensional planting technique for improving light energy utilization efficiency of summer corn

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Embodiment 1

[0034] A ridge and furrow three-dimensional planting technology for improving the light energy utilization efficiency of summer maize, specifically comprising the following steps: 1) constructing a ridge width of 60 cm, a ridge height of 15 cm, and a ridge width of 60 cm on the farmland ground through mechanical or manual operations. 2) Ditch and fertilize at the junction of furrows and furrows. The type and amount of fertilization are pure nitrogen 112.5kg hm -2 ,P 2 o 5 120kg hm -2 、K 2 O96kg hm -2 , the fertilization depth is 8-10cm; 3) Plant summer corn on the ridge and in the ditch respectively: plant a row of corn at the middle of the ridge and the middle of the ditch, with a row spacing of 60cm and a plant spacing of 24-25cm; , topdressing nitrogen fertilizer pure nitrogen 112.5kg hm -2 , the fertilization depth is 5-8cm; 5) Based on the micro-topography of the ground furrows and ridges, the difference in the vertical height of the individual in the maize populati...

Embodiment 2

[0036] A ridge and furrow three-dimensional planting technology for improving the light energy utilization efficiency of summer corn, which specifically includes the following steps: 1) through mechanical or manual operations, construct a micro-furrow pattern with a ridge width of 60 cm, a ridge height of 15 cm, and a ridge width of 120 cm on the farmland ground. 2) Ditch and fertilize respectively at the junction of the ridges and the middle of the ditch. The type and amount of fertilization are pure nitrogen 112.5kg hm -2 ,P 2 o 5 120kghm -2 、K 2 O 96kg hm -2 , and the fertilization depth is 8-10cm; 3) Plant summer corn on the ridge and in the ditch respectively. Plant 1 row in the middle of the ridge, and plant 2 rows of corn at a distance of 30 cm from the bottom of the ridge in the ditch, with a row spacing of 60 cm and a plant spacing of 24 to 25 cm; 4) During the trumpet-mouth stage of corn, topdressing nitrogen fertilizer 112.5 kg hm -2 , the fertilization depth ...

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Abstract

The invention discloses a furrow three-dimensional planting technique for improving the light energy utilization efficiency of summer corn, that is, a furrow three-dimensional planting technique witha ridge width of 60 cm, a ridge height of 15 cm, a groove width of 120 cm, a row of corn of ridge planting, and two rows of corn of ditch planting. The planting density is 67500 plants / hm2, the row spacing is 60 cm, and the plant spacing is 24 to 25 cm. The planting technique is based on the furrow-like micro-topography constructed on the ground, forming the difference of individual vertical heights in the corn group, further forming the misalignment distribution of the corn leaf layer, effectively improving the light transmittance of the canopy, and maintaining a high green leaf area index inthe middle and late stages of grain filling and a long green leaf area high value duration. The photosynthetic performance of the corn plants in the ditch can be significantly increased, the higher dry matter weight at maturity is accumulated, and finally the higher corn grain yield is obtained and the light energy utilization efficiency of summer core is improved. The planting technique has theadvantages of being simple to operate, easy to master, low in cost and easy to promote.

Description

technical field [0001] The invention belongs to the technical field of crop planting, and in particular relates to a three-dimensional planting technique for raising summer corn light energy utilization efficiency. Background technique [0002] The study found that by 2050, the global demand for cereals will increase by about 56%, of which the demand for corn will account for 45%. How to tap the high-yield potential of maize to meet the huge food demand has become a key problem that needs to be solved urgently in high-yield cultivation. Photosynthesis is the basis of crop yield formation, and canopy structure is an important factor affecting the light distribution and photosynthetic characteristics of crops. Therefore, how to improve the canopy light conditions so that maize can maintain high-efficiency canopy structure and high population production capacity in the middle and late stages of grain filling is a key scientific problem that we urgently need to solve. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/20A01C21/00
CPCA01C21/005
Inventor 韩清芳刘铁宁贾志宽
Owner NORTHWEST A & F UNIV
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