Leaf fertilizer suitable for producing selenium-enriched kiwi fruits and application method of leaf fertilizer

A foliar fertilizer and kiwifruit technology, which is applied in the field of agricultural fertilizers, can solve the problems of poor selenium absorption effect of kiwifruit trees, poor solubility of selenium-rich fertilizers, uneconomical safety, etc., to facilitate long-distance storage and transportation, and improve selenium absorption rate and nutritional quality, the effect of convenient transportation of finished products

Active Publication Date: 2016-01-13
NANJING UNIV OF FINANCE & ECONOMICS +1
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Problems solved by technology

[0006] The purpose of the present invention is to provide a selenium-enriched foliar fertilizer and its application method, which is used for the production of selenium-enriched kiwifruit, and solves the problems of poor solubility of selenium-enriched fertilizers, inconvenient carrying, uneconomical safety, and poor selenium absorption effect of kiwifruit trees. Problem, using this method can produce high-quality selenium-enriched kiwifruit with a selenium content of 0.025-0.1365mg / kg

Method used

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  • Leaf fertilizer suitable for producing selenium-enriched kiwi fruits and application method of leaf fertilizer

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Embodiment 1

[0031] Embodiment 1: By weight components, potassium fulvic acid 45kg, urea 45kg, sodium dodecylbenzene sulfonate 100g and sodium selenite 4kg are pulverized and mixed, and then dried and sieved for packaging. The specific method is as follows:

[0032] (1) Ingredients: mix potassium fulvic acid powder, urea powder and sodium dodecylbenzenesulfonate powder according to a certain ratio to form a mixture;

[0033] (2) add selenium: after sodium selenite is dissolved in water, evenly spray in the material of step (1);

[0034] (3) drying: the material of step (2) is dried with a hot air dryer;

[0035] (4) crushing: pulverize with a pulverizer after drying;

[0036] (5) Sieving: the pulverized material is passed through a 100-mesh sieve;

[0037] (6) Detection: product detection of moisture, heavy metals, nitrogen, phosphorus and potassium content, selenium content and other indicators;

[0038] (7) packing: take the product of certain quality and pack and seal with the granu...

Embodiment 2

[0045] Embodiment 2: By weight components, potassium fulvic acid 50kg, urea 60kg, sodium dodecylbenzenesulfonate 100g and sodium selenite 5kg are pulverized and mixed, and then dried and sieved for packaging. The specific method is as follows:

[0046] (1) Ingredients: mix potassium fulvic acid powder, urea powder and sodium dodecylbenzenesulfonate powder according to a certain ratio to form a mixture;

[0047] (2) add selenium: after sodium selenite is dissolved in water, evenly spray in the material of step (1);

[0048] (3) drying: the material of step (2) is dried with a hot air dryer;

[0049] (4) crushing: pulverize with a pulverizer after drying;

[0050] (5) Sieving: the pulverized material is passed through a 100-mesh sieve;

[0051] (6) Detection: product detection of moisture, heavy metals, nitrogen, phosphorus and potassium content, selenium content and other indicators;

[0052] (7) packing: take the product of certain quality and pack and seal with the granul...

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Abstract

The invention relates to a leaf fertilizer suitable for producing selenium-enriched kiwi fruits and an application method of the leaf fertilizer. The leaf fertilizer with relatively high solubility is prepared through the steps of proportioning urea, potassium fulvate, sodium selenite and sodium dodecyl benzene sulfonate according to the required ratio, spraying, drying, smashing, sieving and the like, wherein 30-50g of selenium is contained in each kg of the leaf fertilizer. The leaf fertilizer is solid and is prepared into a mother solution with a certain selenium concentration before being used, and the diluted liquid leaf fertilizer is sprayed in the initial fruiting period and the expansion period of the kiwi fruit trees. The fertilizer is scientific in active component ratio, convenient to transport and carry, simple in application method and capable of remarkably increasing the selenium content of the kiwi fruits and improving the nutrient quality of the fruits, is suitable for wide kiwi fruit production areas in China, is used for producing selenium-enriched kiwi fruits and is not only economic and effective, but also safe and convenient.

Description

1. Technical field [0001] The invention belongs to the technical field of fertilizers in agriculture, and in particular relates to a preparation method of a solid foliar fertilizer suitable for the production of selenium-enriched kiwifruit. 2. Technical background [0002] Selenium is known by scientists as the "king of anti-cancer" among trace elements in the human body. It is an important component of various active enzymes in the body and participates in the normal immune function of the body. Selenium deficiency in the human body can lead to the occurrence of more than 40 diseases such as Keshan disease, Kaschin-Beck disease, human aging, cancer, cardiovascular and cerebrovascular diseases, cataracts, cystic fibrosis, diabetes, male infertility, and hypertension. In my country, 2 / 3 of the population lives in low-selenium or selenium-deficient areas, and about 100 million people are in a selenium-deficient state. The Chinese Nutrition Society recommends a daily selenium ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00A01C21/00
Inventor 方勇赵尔敏刘红芹夏季胡秋辉孙宏杰王绪怿张衡宗良纲裴斐郭岩彬吴文良
Owner NANJING UNIV OF FINANCE & ECONOMICS
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