Ecological substrate for preventing and controlling nitrogen and phosphorus non-point source pollution in intensive garlic production area and preparation method thereof

Abstract

The invention relates to an ecological substrate for preventing and controlling nitrogen and phosphorus non-point source pollution in an intensive garlic production area and a preparation method thereof, wherein the ecological substrate for preventing and controlling nitrogen and phosphorus non-point source pollution in the intensive garlic production area comprises the following components: magnesium sugar alcohol, potassium fulvic acid, cow dung, traditional Chinese medicine residue, tea residue, river snail shell powder and attapulgite powder. The ecological substrate comprises the following components in parts by weight: 3-6 parts of magnesium sugar alcohol, 5-10 parts of potassium fulvic acid, 30-60 parts of cow dung, 5-20 parts of traditional Chinese medicine residue, 5-10 parts of tea residue, 10-20 parts of river snail shell powder and 5-10 parts of attapulgite powder. The invention is used for the ecological substrate for preventing and controlling nitrogen and phosphorus non-point source pollution in the intensive garlic production area.

Description

technical field [0001] The invention relates to an ecological substrate for the prevention and control of nitrogen and phosphorus non-point source pollution in intensive garlic production areas and a production method. Background technique [0002] Garlic is a spicy vegetable with high nutritional value and high medicinal value. Its seedlings (green garlic), flower stems (garlic sprouts) and bulbs (garlic head) are one of the important vegetable varieties that people need in daily life. Because garlic is a crop with a large output ratio and high economic benefits, it is favored by farmers. In 2018, China's garlic planting area reached 6 million mu, with an output of nearly 8.76 million tons. Among them, Shandong garlic planted area was close to 2 million mu, with an output of 3 million tons. In order to obtain high yields, farmers often over-rely on and use large quantities of chemical fertilizers blindly. According to the survey, the amount of fertilizer applied to garlic...

AI Technical Summary

Problems solved by technology

The loss of nitrogen and phosphorus can be effectively reduced to a certain extent by reducing the input of chemical fertilizers, but improper operation often leads to the decline of soil fertility and crop yield reduction

Although the adjustment of planting structure can make full use of the remaining nitrogen and phosphorus nutrients in the soil, if there is no corresponding sales channel for the planting areas that have formed a specific vegetable industry chain, the interests of farmers will often be lost

Constructed wetlands are used to control nitrogen and phosphorus non-point source pollution. The removal effect of nitrogen and phosphorus is better, but it occupies a large area and is difficult to promote in a large area.

Images