Method for increasing yield of cruciferae selenium-rich crops and conversion rate of selenium form

A technology of cruciferous crops and crop yield, applied in botany equipment and methods, fertilization methods, horticulture, etc., can solve the problems of vegetative growth inhibition, yield decline, etc., and achieve enhanced disease resistance, improved conversion rate, and convenient operation Effect

Active Publication Date: 2016-08-24
恩施德源硒材料工程科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has been found in practice that under high-concentration and high-frequency selenium fertilizer fortification, the vegetative growth of this type of plants is inhibited to a certain extent compared with those without selenium fertilizer, and the yield can be reduced by about 10%.

Method used

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  • Method for increasing yield of cruciferae selenium-rich crops and conversion rate of selenium form
  • Method for increasing yield of cruciferae selenium-rich crops and conversion rate of selenium form

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] In the present embodiment, the cruciferous selenium-gathering crop selects Viola leaf broken rice catkins, adopts the following method to plant, and its steps include:

[0019] (1) After the seedlings of Viola leaf broken to 3-5 leaves are transplanted to the greenhouse, the length of the greenhouse is 20 meters, and the width is 6 meters. From transplanting to harvesting stage, every night from 20:00 to the morning of the next day At 8:00, turn on the Huamai Zhixing Oxygen Negative Ion Purifier to release ecological-grade negative oxygen ions, so that the concentration of negative oxygen ions in the plant growth space is maintained at 5000-6000 / cm 3 , the plant growth space refers to the space within 30 centimeters from the plant;

[0020] (2) After 15 days of transplanting and planting in the greenhouse, confirm that the root system is stable. In terms of selenium content, use a selenium mass concentration of 300ppm sodium selenite aqueous solution to fertilize the ro...

Embodiment 2

[0026] Broccoli is selected as the cruciferous selenium-gathering crop in the present embodiment, adopts following method to plant, and its steps include:

[0027] (1) After the broccoli seedlings grow to 3-5 leaves, they are transplanted to the greenhouse. The length of the greenhouse is 20 meters and the width is 6 meters. From transplanting to harvesting stage, every day from 20 o'clock in the evening to 8 o'clock in the morning of the next day, Turn on the Huamai Smart Oxygen Star Negative Ion Purifier to release ecological grade negative oxygen ions, so that the concentration of negative oxygen ions in the plant growth space is maintained at 6000-7000 / cm 3 , the plant growth space refers to the space within 30 centimeters from the plant;

[0028] (2) After the broccoli was transplanted and planted in the greenhouse for 15 days, it was confirmed that the root system was stable. In terms of selenium content, the roots were fertilized with a sodium selenite aqueous solution ...

Embodiment 3

[0034] In the present embodiment, the cruciferous selenium-gathering crop selects cauliflower, adopts the following method to plant, and its steps include:

[0035](1) After the cauliflower seedlings grow to 3-5 leaves, they are transplanted to the greenhouse. The length of the greenhouse is 20 meters and the width is 6 meters. From transplanting to harvesting stage, it is opened from 20:00 every night to 8:00 the next day. Huamai Smart Oxygen Star Negative Ion Purifier releases ecological grade negative oxygen ions to maintain the concentration of negative oxygen ions in the plant growth space at 7000-8000 / cm 3 , the plant growth space refers to the space within 30 centimeters from the plant;

[0036] (2) After the cauliflower was transplanted and planted in the greenhouse for 15 days, it was confirmed that the root system was stable. In terms of selenium content, the roots were fertilized with a plant selenium liquid fertilizer with a selenium mass concentration of 1000ppm. ...

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Abstract

The invention provides a method for increasing yield of cruciferae selenium-rich crops and conversion rate of selenium form. The method comprises the following steps: (a) transplanting and fixedly planting the cruciferae selenium-rich crops in a greenhouse, causing the crops grow under a negative oxygen ion environment in a growth period and maintaining the negative oxygen ion concentration of the crop growth space within 5000-8000 pieces/cm<3>; and (b) after stabilizing the root systems of the crops, irrigating the roots with liquid selenium fertilizer. According to the method provided by the invention, an artificial negative oxygen ion concentration cultivation environment is adopted; the inhibiting effect of the reinforcement of the high-concentration and high-frequency selenium fertilizer on the growth of the vegetative mass of the crops is obviously reduced; the conversion rate of inorganic selenium in the cruciferae selenium-rich crops is increased by more than 20%; the method is environmentally friendly and highly efficient, convenient to operate and easy in popularization.

Description

technical field [0001] The invention relates to the field of planting technology, in particular to a method for increasing the yield and conversion rate of selenium form of cruciferous selenium-accumulating crops. Background technique [0002] Plant cells produce various free radicals and reactive oxygen species through a variety of ways, so that the normal metabolism of cells cannot go smoothly. Under normal circumstances, the production and removal of free radicals and active oxygen in cells are in a state of dynamic balance, and the concentrations of free radicals and active oxygen are very low and will not cause harm. However, during plant aging, especially under adverse conditions, this balance is disrupted, and the concentration of free radicals and reactive oxygen species exceeds the damage "threshold", leading to oxidative damage to protein, nucleic acid, and enzyme structures, especially membrane lipids. The unsaturated double-chain acids are most vulnerable to fre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C21/00C05D9/02
Inventor 丛欣吴瑞刘雯雯李洁
Owner 恩施德源硒材料工程科技有限公司
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