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Fertilizing technology for improving potassium content in tobacco variety Yunyan97

A kind of potash fertilizer technology, applied in the field of agriculture, can solve problems such as unreasonable fertilizer mix and nutrient distribution ratio, extensive fertilization time and fertilization methods, and lack of scientific technical guidance for tobacco farmers, so as to achieve excellent agronomic traits and improve fertilizer utilization The effect of high rate and strong disease resistance

Inactive Publication Date: 2014-04-23
SICHUAN BRANCH OF CHINA TOBACCO +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the traditional flue-cured tobacco planting mode, due to the lack of scientific and technical guidance, tobacco farmers mostly rely on experience to fertilize, the amount of fertilizer is random, the fertilizer mix and nutrient ratio are unreasonable, and the fertilization time and fertilization methods are extensive, etc.
Fertilization in flue-cured tobacco planting is mainly based on basal fertilizer, which is heavy before and light after fertilizer allocation. With the accumulation of available nutrients in the soil, the supply of potassium fertilizer is inconsistent with the demand for flue-cured tobacco, resulting in insufficient potassium fertilizer supply in the late growth stage of flue-cured tobacco, and low utilization of potassium fertilizer. Low content

Method used

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  • Fertilizing technology for improving potassium content in tobacco variety Yunyan97
  • Fertilizing technology for improving potassium content in tobacco variety Yunyan97
  • Fertilizing technology for improving potassium content in tobacco variety Yunyan97

Examples

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Effect test

Embodiment 1

[0022] For high-fertility fields, farmyard manure 500kg / 667m 2 , oil dry 20kg / 667m 2 And special micro fertilizer 2kg / 667m 2 Apply to the nest and mix well with the nest soil, and then add 16kg / 667m of special compound fertilizer for flue-cured tobacco 2 , Monoammonium phosphate 11kg / 667m 2 And ammonium nitrate phosphorus compound fertilizer 6kg / 667m 2 Used as base fertilizer, applied in circles. 8 days after transplanting, apply potassium nitrate fertilizer 3kg / 667m 2 Apply water from the four corners of the tobacco plant at a distance of 8cm, and apply 7kg / 667m in the same way 15 days after transplanting 2 . When the film is removed from the upper compartment, potassium sulfate 8kg / 667m 2 Apply the concentrated hole to the soil layer with dense root system, combine with the upper chamber of the soil, cover the 12cm soil layer after application, and 55 days after transplanting, use a chemical fertilizer deep applicator to add potassium sulfate 6kg / 667m 2 Add water and...

Embodiment 2

[0024] For medium-fertile fields, farmyard manure 750kg / 667m 2 , oil dry 20kg / 667m 2 And special micro fertilizer 2kg / 667m 2 Apply to the nest and mix well with the nest soil, and then add 18kg / 667m of special compound fertilizer for flue-cured tobacco 2 , Monoammonium phosphate 12kg / 667m 2 And ammonium nitrate phosphorus compound fertilizer 8kg / 667m 2 Used as base fertilizer, applied in circles. 8 days after transplanting, apply potassium nitrate fertilizer 3kg / 667m 2 Apply water from the four corners of the tobacco plant at a distance of 8cm, and apply 7kg / 667m in the same way 15 days after transplanting 2 . When the film is removed from the upper compartment, potassium sulfate 9kg / 667m 2 Apply concentrated hole to the soil layer with relatively dense root system, combined with the soil on the upper chamber, cover the 12cm soil layer after application, and 55 days after transplanting, use a chemical fertilizer deep applicator to add potassium sulfate 8kg / 667m 2 Add w...

Embodiment 3

[0026] For low-fertility fields, farmyard manure 1000kg / 667m 2 , oil dry 20kg / 667m 2 And special micro fertilizer 2kg / 667m 2 Apply to the nest and mix well with the nest soil, then add 20kg / 667m of special compound fertilizer for flue-cured tobacco 2 , Monoammonium phosphate 14kg / 667m 2 And ammonium nitrate phosphorus compound fertilizer 10kg / 667m 2 Used as base fertilizer, applied in circles. 8 days after transplanting, apply potassium nitrate fertilizer 3kg / 667m 2 Apply water from the four corners of the tobacco plant at a distance of 8cm, and apply 7kg / 667m in the same way 15 days after transplanting 2 . When the film is removed from the upper compartment, potassium sulfate 10kg / 667m 2Apply concentrated hole to the soil layer with relatively dense root system, combined with the upper compartment of the soil, cover the 12cm soil layer after application, and 55 days after transplanting, use a chemical fertilizer deep applicator to add potassium sulfate 10kg / 667m 2 , m...

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Abstract

The invention discloses a fertilizing technology for improving potassium content in tobacco variety Yunyan97. The fertilizing technology is a Yunyan97 nitrogen-phosphorus-potassium balanced fertilizing technology, is simple and practical, and aims at improving yield and quality and especially the potassium content by adjusting the dressing ratio of nitrogen phosphorus potassium fertilizers.

Description

technical field [0001] The invention belongs to the field of agricultural technology, in particular, the invention relates to a nitrogen, phosphorus and potassium balanced fertilization technology for increasing the potassium content of Yunyan 97 tobacco leaves. Background technique [0002] Yunyan 97, a new variety of flue-cured tobacco, was bred by the Yunnan Academy of Tobacco Agricultural Sciences with Yunyan 85 as the female parent and CV87 as the male parent. It was approved by the National Tobacco Variety Approval Committee in 2009. The overall performance of Yunyan 97 from the seedling stage to the field stage is good, with strong growth, neat growth, strong disease resistance, beautiful field growth, high yield and output value, which are liked by tobacco farmers and acceptable by tobacco factories. [0003] In the traditional flue-cured tobacco planting mode, due to the lack of scientific and technical guidance, tobacco farmers mostly rely on experience to fertili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C21/00
Inventor 李冰王昌全李斌王婉秋向金友蔡艳张文婧林鸾芳张隆伟张吉亚
Owner SICHUAN BRANCH OF CHINA TOBACCO
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