Biological organic fertilizer applied to Gannan red and yellow soil region and preparation method thereof

Abstract

The invention provides a biological organic fertilizer applied to a Gannan red and yellow soil region. The biological organic fertilizer comprises the following components in percentage by weight: 30-50 percent of cow dung, 5.0-25 percent of microbial strain agent, 9.0-25 percent of straw stalk, 0.1-6.0 percent of zinc oxide or zinc salt and 6.0-25 percent of magnesium oxide or magnesium salt. The biological organic fertilizer is developed aiming at oranges planted in the Gannan red and yellow soil region, the soil is rapidly improved by utilizing the advantages of the biological organic fertilizer, the soil organic matters are supplemented, and elements of magnesium and zinc required for crops in the Gannan region are added. The fertilizer efficiency is balanced, the crop nutrition can be timely supplemented, the crop growth in the Gannan region is better promoted, and an effect of scientific fertilization is achieved, particularly in the orange planting process, after the biological organic fertilizer is used for one year, the common magnesium and zinc deficiency in the citrus orchard of the Gannan red and yellow soil region is basically eliminated, the growth of young orange trees is effectively promoted, and the yield of the orange trees is improved.

Description

technical field [0001] The invention relates to a compound fertilizer, in particular to a bio-organic fertilizer suitable for red and yellow soil areas in southern Jiangxi and a preparation method thereof. Background technique [0002] In my country, the planting area of ​​citrus has reached more than 22 million mu, ranking first in the world. Citrus planting is one of the advantageous agricultural products planned by the state. Among them, in the southern Jiangxi region of my country, there are more than 1.6 million mu of Gannan navel orange planting areas. Citrus planting is the main agricultural product in the southern Jiangxi region of my country. The reason is that the southern Jiangxi region of our country is mostly red and yellow soil areas, and its soil components are rich in iron and aluminum elements. The iron element in the soil is oxidized into red, and the soil is acidic. According to the test, its pH value is between 4.0 and 6.0, so it is not suitable for the ...

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Problems solved by technology

[0005] The present invention aims at the problem of uneven content of nitrogen, phosphorus, potassium and magnesium nutrients in the citrus planting in the above-mentioned red and yellow soil areas, and provides a bio-organic fertilizer suitable for the red and yellow soil areas in southern Jiangxi, which can effectively improve the Soil quality in southern Jiangxi, thereby improving the quality of citrus and planting yield

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