Fertilizer for preventing and controlling apple fruit cracks as well as preparation method and application thereof

A fertilizer and fruit technology, applied in the field of fertilizers for preventing and controlling apple fruit crack disease and its preparation, can solve problems such as poor control effects, achieve the effects of improving appearance quality and internal quality, facilitating absorption, and enriching soil elements

Inactive Publication Date: 2015-02-18
NORTHWEST A & F UNIV +1
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  • Fertilizer for preventing and controlling apple fruit cracks as well as preparation method and application thereof

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preparation example Construction

[0051] 3. Preparation of fertilizer granules:

[0052] 1) Balling: In terms of mass parts, 1 part of potassium feldspar, 0.2-0.3 part of medical stone and 2-3 parts of humic acid ammonium salt after sieving the homogeneous material (the water content of potassium rock is 3-5 %, the water content of medical stone is 5-10%, and the water content of humate is 10-12%), mix evenly, and then granulate to make particles with a particle diameter of 50mm;

[0053] 2) Ball milling: crush the material into particles with a particle size of 10-30mm, and then use a ball mill to grind to a fineness of 100-150 mesh, then dry at 65-75°C, and sieve after cooling to obtain granular compound fertilizer.

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Abstract

The invention discloses a fertilizer for preventing and controlling apple fruit cracks as well as a preparation method and an application thereof. The fertilizer is a granular organic and inorganic compound fertilizer which is prepared from the following raw materials of potassium feldspar, medical stone and humic acid in a mass ratio of 1 to (0.1-0.5) to (2-5). The fertilizer disclosed by the invention is especially obvious in effect of preventing and controlling the apple fruit cracks. After the fertilizer is applied in autumn, the apple trees grow strongly in the next year, are dark green in leaves, and are strengthened in stress resistance, so that the fruit cracks almost disappear. The apple fruits are smooth and good in coloring, the surface quality and the interior quality of the apples are improved and the fruit keeping property is increased. Moreover, with the increase of fertilizing amount, the decease infection index of the fruit cracks is obviously lowered.

Description

technical field [0001] The invention belongs to the technical field of prevention and control of fruit tree physiological diseases, and relates to a fertilizer for preventing and controlling apple fruit crack disease, a preparation method and application thereof. Background technique [0002] The area of ​​apples in my country reached 33.3 million mu by the end of 2012, of which the area of ​​Red Fuji apples accounted for more than 68% of the total area, making it the largest major apple variety in my country. However, in recent years, "Red Fuji" apple fruit crack disease has generally occurred, the light one is 10-15%, and the severe one is as high as 50-60%. It seriously affects the fruit appearance quality and brings huge losses to apple production and sales. Apple fruit crack disease usually occurs on the two fruit joints or the shady side of the fruit, or the part covered by the leaves, showing multiple brown water-like transverse cracks or network cracks. Most of the c...

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Application Information

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IPC IPC(8): C05G1/00A01C21/00
CPCC05D1/04C05G3/00C05G3/80C05D9/02C05F11/02
Inventor 李丙智李延荣王俊峰肖新建任小林陈伟星
Owner NORTHWEST A & F UNIV
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