Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for effectively reducing N2O emission in flue-cured tobacco cultivation soil

A soil and flue-cured tobacco technology, applied in the field of flue-cured tobacco cultivation, can solve problems such as crop yield decline and product quality degradation, and achieve the effects of promoting absorption and utilization, promoting growth and development, and increasing porosity

Pending Publication Date: 2022-02-25
YUNNAN ACAD OF TOBACCO AGRI SCI
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although some reports have confirmed the effect of reducing nitrogen fertilizer application on N 2 Positive effect of O emission reduction, but also lead to problems of lower crop yield and lower product quality

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for effectively reducing N2O emission in flue-cured tobacco cultivation soil
  • Method for effectively reducing N2O emission in flue-cured tobacco cultivation soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The test was carried out in 2019. The test site is located in Dapo Township, Zhanyi District, Qujing City, Yunnan Province. The type of tobacco field is a mountain tobacco field.

[0027] According to (local conventional flue-cured tobacco cultivation method): conventional plowing is carried out during pre-plowing, the plowing depth is 15cm, the ridge height before transplanting the flue-cured tobacco is 20cm, and 50% tobacco-specific compound fertilizer is placed in the middle of the smoke pond after the pond is fully mixed with the pond. Mix the soil well, and then plant tobacco; 35 days after transplanting the tobacco seedlings, apply 30% tobacco-specific compound fertilizer around the roots of the tobacco plants; Hole, remaining 20% ​​tobacco-specific compound fertilizer is applied in the hole and covered with soil.

Embodiment 2

[0029] The test was carried out in 2019. The test site is located in Dapo Township, Zhanyi District, Qujing City, Yunnan Province. The type of tobacco field is a mountain tobacco field.

[0030] According to (the cultivation method of flue-cured tobacco of the present invention): deep plowing of the soil is carried out during pre-plowing, the plowing depth is 20cm, and the ridging height before transplanting of flue-cured tobacco is 25cm; Drip irrigation water and fertilizer integration technology for field irrigation and fertilization management. In the process of drip irrigation, the single irrigation quota is 2mm; the type of fertilizer used is water-soluble fertilizer for drip irrigation, and the amount of nitrogen fertilizer is 4.0kg / mu; 5% of the total nitrogen fertilizer is applied 5 days after transplanting, and 15 days after transplanting. 10% of the total amount of nitrogen fertilizer, 20% of the total amount of nitrogen fertilizer was applied in 25 days of transplan...

Embodiment 3

[0032] The test was carried out in 2019. The test site is located in Dapo Township, Zhanyi District, Qujing City, Yunnan Province. The type of tobacco field is a mountain tobacco field.

[0033] According to (the cultivation method of flue-cured tobacco of the present invention): deep plowing of soil is carried out during pre-plowing, the plowing depth is 25cm, and the ridging height before transplanting of flue-cured tobacco is 30cm; Drip irrigation water and fertilizer integration technology for field irrigation and fertilization management. During the drip irrigation process, the single irrigation quota is 2mm; the type of fertilizer used is water-soluble fertilizer for drip irrigation, and the amount of nitrogen fertilizer is 3.5kg / mu; 5% of the total nitrogen fertilizer is applied 7 days after transplanting, and 17 days after transplanting. 10% of the total amount of nitrogen fertilizer, 20% of the total amount of nitrogen fertilizer in 27 days of transplanting, 35% of th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the technical field of flue-cured tobacco cultivation, and particularly relates to a method for effectively reducing N2O emission in flue-cured tobacco cultivation soil. The method includes the following steps: performing soil deep ploughing during soil preparation in advance: deeply ploughing cultivation soil; ridging and pond digging: ridging the soil subjected to deep ploughing; applying biochar: applying straw biochar into the pond in the step (2); irrigation and fertilization management: carrying out field irrigation and fertilization management by adopting a drip irrigation water and fertilizer integrated technology, and in the drip irrigation process, performing single-time irrigation with the quota of 2-3mm and 1.2-1.8 L / plant; according to the invention, on the basis of guaranteeing the yield and the output value of the flue-cured tobacco, obvious emission reduction of N2O in the tobacco field can be achieved.

Description

technical field [0001] The invention belongs to the technical field of flue-cured tobacco cultivation, and in particular relates to a method for effectively reducing N in soil for flue-cured tobacco cultivation. 2 O method of emission. Background technique [0002] Agriculture is atmospheric N 2 O is the most important source of emissions, accounting for 80% of the total anthropogenic emissions. Agriculture N 2 O emissions mainly come from the soil, and the large-scale application of nitrogen fertilizer means that the farmland soil becomes atmospheric N 2 O the main reason for the number one human source. A large number of studies have shown that reducing the amount of nitrogen fertilizer and avoiding suitable N 2 Soil moisture environment produced by O is to reduce farmland N 2 The fundamental pathway of O emissions. Although some reports have confirmed the effect of reducing nitrogen fertilizer application on N 2 O emission reduction has a positive effect, but it a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): A01G22/45A01B79/02A01C21/00A01G25/00
CPCA01G22/45A01B79/02A01C21/00A01G25/00Y02A40/22
Inventor 马二登徐照丽邓小鹏李军营代快胡志明
Owner YUNNAN ACAD OF TOBACCO AGRI SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com