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In modern agriculture, environmentally friendly fertilizers are gradually gaining attention, and seaweed extract fertilizers,
as one of the emerging options, are attracting more and more attention from farmers and gardening enthusiasts.
This fertilizer is not only effective, but also brings various unique benefits to the soil and plants.
The sources and components of seaweed extract
Seaweed extract is obtained by extracting marine plants such as brown algae, red algae, and green algae.
The growth characteristics of seaweed make them rich in various bioactive substances, trace elements,
and nutrients, including:
1. Amino acids: Seaweed is rich in various amino acids, which can enhance the plant's stress resistance and improve
its ability to resist diseases and pests.
2. Mineral elements: Seaweed contains various trace elements such as calcium, magnesium, iron, and zinc, which are
beneficial for plant growth.
3. Growth hormones: such as auxin and gibberellin, these hormones can promote plant growth and development.
4. Polysaccharides: Polysaccharides in seaweed have the effects of water retention and soil improvement, helping
to enhance soil fertility.
Advantages of seaweed extract fertilizer
1. Promote plant growth
The use of seaweed extract fertilizer can significantly improve the growth rate of plants. Research has shown that
growth hormones contained in seaweed extracts can stimulate root growth, thereby enhancing the plant's ability
to absorb water and nutrients.
2. Enhance plant stress resistance
Under extreme weather conditions such as drought, high temperature, or cold, seaweed extract can enhance plant
stress resistance. Some studies have shown that plants treated with seaweed fertilizers have stronger resistance to
drought and saline alkali soils.
3. Improve soil structure
The polysaccharide components in seaweed extract can improve soil water holding capacity and permeability,
promote root growth, enhance soil microbial activity, and thus improve soil fertility.
4. Promote microbial reproduction
Seaweed extract provides abundant nutrients for soil microorganisms and promotes the reproduction of
rhizosphere microbial communities. These microorganisms not only participate in soil nutrient cycling,
but also enhance plant disease resistance.
Compared to chemical fertilizers, seaweed extract fertilizers are more environmentally friendly, do not cause
pollution to soil and water sources after use, and are harmless to humans and livestock, making them suitable
for the needs of organic agriculture.