Humic acid fertilizer, as a new type of organic fertilizer, has attracted much attention in agricultural production in recent years. It is a class of organic matter accumulated by the remains of animals and plants, mainly plants, through the decomposition and transformation of microorganisms, as well as a series of complex changes in geophysical and chemical processes. This fertilizer is not only rich in organic matter and humic acid, but also contains a variety of trace elements needed for plant growth, which has a significant role in promoting agricultural production.
One of the main effects of humic acid fertilizers is to improve soil structure. Humic acid can combine with calcium and magnesium plasma in the soil to form a stable aggregate structure, thereby improving the water and fertilizer retention capacity of the soil. This improvement is not only beneficial to the growth and development of plant roots, but also enhances the aeration and permeability of the soil, creating a more suitable soil environment for plants.
In addition to improving soil structure, humic acid fertilizers can also significantly improve soil fertility. Humic acid itself is a high-quality organic matter, which can provide rich carbon sources and energy for soil microorganisms, thereby promoting the reproduction and activity of soil microorganisms. During their activity, these microorganisms decompose nutrients that are easily absorbed by plants, such as nitrogen, phosphorus, potassium, etc., so that the fertility of the soil can be improved.
In addition, humic acid fertilizers also have the effect of enhancing plant stress resistance. Humic acid can stimulate the synthesis and secretion of growth hormone in plants, and promote the growth and development of plants. At the same time, it can also improve the stress resistance of plants, so that plants can better adapt and survive in the face of adversities such as drought, high temperature, and low temperature.
It is worth mentioning that humic acid fertilizer also has the function of environmental protection. Excessive use of traditional fertilizers and pesticides can cause harm to the environment and human health, while humic acid fertilizer is a green and environmentally friendly fertilizer. It can not only improve the fertility of the soil, but also reduce the use of chemical fertilizers and pesticides, thereby reducing the pollution of agricultural production to the environment.
In practical applications, the use of humic acid fertilizers is also very flexible. It can be used as a basal fertilizer to provide a long-term nutrient supply for plants, or as a top dressing to replenish nutrients at any time according to the growth needs of plants. At the same time, humic acid fertilizer can also be mixed with other fertilizers and pesticides to improve the utilization efficiency of fertilizers and pesticides.
In general, humic acid fertilizers play an increasingly important role in agricultural production due to their multiple functions such as improving soil structure, improving soil fertility, enhancing plant stress resistance and environmental protection. With people's in-depth understanding and practice of the concept of green, healthy and sustainable development, humic acid fertilizer is expected to play a greater role in future agricultural production.