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Air-drying method for improving quality of alfalfa

An alfalfa, quality technology, applied in the direction of drying solid materials, lighting and heating equipment, furnaces, etc., can solve problems such as poor drying uniformity of stems and leaves, and achieve the effect of accelerating the loss rate, reducing the loss of crude protein, and reducing respiration.

Inactive Publication Date: 2011-11-02
GANSU AGRI UNIV
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AI Technical Summary

Problems solved by technology

[0004] Drying in the field is the main method of preparing green hay nowadays. It has a wide range of applications, low cost and simple operation, but the drying uniformity of stems and leaves is poor and the loss of nutrients is serious.

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  • Air-drying method for improving quality of alfalfa

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Embodiment 1

[0024] The drying method for improving the quality of alfalfa includes the following steps:

[0025] 1) Ridging: The surface of the field is treated with furrows and ridges. The cross-section of the ridge is trapezoidal, the height of the ridge is 8-10 cm, the width of the bottom of the ridge is 21 cm, the width of the top of the ridge is 5 cm, the width of the ridge is 24 cm, and the bottom angle of the trapezoidal cross-section of the ridge is 45~50°;

[0026] 2) Material selection and treatment: alfalfa ( Medicago sativa L . Eureka) as the material. After mowing at the initial flowering stage, the alfalfa stalks should be slightly flattened until they are just cracked and no sap will flow out;

[0027] 3) Drying: Place the alfalfa strips selected and treated in step 2) on the ridge of step 1) for drying. The alfalfa strips are placed on the ridge along the vertical direction of the ridge, the thickness of the grass layer is 10-12cm, and the drying time is 10 hours.

[0...

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Abstract

The invention discloses an air-drying method for improving the quality of alfalfa. The method comprises the following steps of: 1) ridging; 2) selecting materials and treating; and 3) air-drying. The method has the advantages that: 1, the ridging increases the air flow space on the bottom of a grass layer; 2, the fracture of stalks accelerates the evaporation rate of the moisture in the stalks, so that the drying time is shortened; 3, the combination of field ridging and fracturing and air-drying of the stalks has a positive interaction effect on the loss of the moisture of fresh alfalfa forage; 4, the loss rate of the moisture of the fresh alfalfa forage is remarkably and negatively correlative with the residual amount of crude proteins in green hay; 5, the aims of accelerating the drying of the alfalfa, uniformly drying and improving the quality of the green hay are fulfilled; and 6, operation steps are simple and easy, the drying cost is low, and the efficiency is high.

Description

technical field [0001] The invention belongs to the field of crop harvesting and processing, and in particular relates to a method for drying alfalfa. Background technique [0002] Alfalfa ( Medicago Sativa L.) As a high-quality protein-based forage grass with the widest application, the highest economic value and the largest cultivation area in the world, it has a prominent position in the sustainable development of modern grass industry. It is especially important to maintain the healthy development of animal husbandry and maintain national food security. It not only provides high-quality forage for the development of modern animal husbandry, but also can improve the physical and chemical properties of the soil, enhance soil fertility, and improve the ecological environment. However, in production practice, it is often difficult to control the water loss rate during the hay preparation process, resulting in the loss of nutrients and a serious decline in quality. How to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/14A23K10/30F26B3/28
Inventor 师尚礼曹文侠蔡卓山赵桂琴寇江涛祁娟白小明袁婧
Owner GANSU AGRI UNIV
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