Plant Biostimulants
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Even if you have not heard the term "biostimulant'" you have most likely seen advertisements for products that would fall into this category. They may promise enhanced water uptake and nutrient utilization, increased tolerance to abiotic stress, and increased plant vigor, quality, and crop yield.
they tolerance to abiotic stress, or crop quality and yield. Biostimulants are not classified as fertilizers, nor do they have direct effects on pests. The purpose of these products is to stimulate plant growth and optimize plant health. For various reasons, plants that are thus primed are better equipped to handle both biotic and abiotic stresses. If you want to know the specifications and prices of Plant Biostimulants, please contact us!
Nutrient Use Efficiency
Biostimulants improve nutrient use efficiency by supporting better root development so that plants can absorb more nutrients and water or by improving nutrient availability in soil. All these functions can contribute to reducing nutrient losses to the environment and optimizing fertilizer use.
Resistance/Tolerance to Climate Change
Biostimulants can enhance plants' tolerance to abiotic stress, such as drought or extreme temperatures. The use of biostimulants can therefore help mitigate the negative impact of climate change and extreme weather events.This is important for farmers who need to increasingly adapt their practices to changing and challenging climatic conditions.
Soil Health
Some biostimulants can improve soil health and fertility by improving soil parameters and functions.This can also have a positive impact on soil restoration and water use efficiency, a key contribution that ensures long-term soil fertility.
Crop Quality
Biostimulants can improve crop quality and contribute to more vigorous and healthy plants, which in turn can lead to less food waste. At the same time, they can improve the quality and quantity of the yield and therefore keep the farmer's business profitable and sustainable. Tackling food loss and waste is key to achieving a sustainable food system.
Types of Plant Biostimulants
Humic and Fulvic Acids
Humic substances (HS) are natural constituents of the soil organic matter, resulting from the decomposition of plant, animal and microbial residues, but also from the metabolic activity of soil microbes using these substrates. HS are collections of heterogeneous compounds, originally categorized according to their molecular weights and solubility into humins, humic acids and fulvic acids.
Protein Hydrolysates and Other N-Containing Compounds
Amino-acids and peptides mixtures are obtained by chemical and enzymatic protein hydrolysis from agroindustrial by-products, from both plant sources (crop residues) and animal wastes . Chemical synthesis can also be used for single or mixed compounds.
Seaweed Extracts and Botanicals
The use of fresh seaweeds as source of organic matter and as fertiliser is ancient in agriculture, but biostimulant effects have been recorded only recently. This prompts the commercial use of seaweed extracts and of purified compounds, which include the polysaccharides laminarin, alginates and carrageenans and their breakdown products. Other constituents contributing to the plant growth promotion include micro- and macronutrients, sterols, N-containing compounds like betaines, and hormones.
Chitosan and Other Biopolymers
Chitosan is a deacetylated form of the biopolymer chitin, produced naturally and industrially. Poly- and oligomers of variable, controlled sizes are used in the food, cosmetic, medical and agricultural sectors. The physiological effects of chitosan oligomers in plants are the results of the capacity of this polycationic compound to bind a wide range of cellular components, including DNA, plasma membrane and cell wall constituents, but also to bind specific receptors involved in defense gene activation, in a similar way as plant defense elicitors.
Plant Growth Regulators in Agriculture and Horticulture
Been found to be effective, it is interesting that with all this work we have not found one to date which is better than indolebutyric acid. One of the best recognized uses of plant growth regulators is the suppression of sprouting of potatoes and onions by treatment with maleic hydrazide.
Regulation of Plant Metabolism
The rationale for altering the internal metabolism of a given crop is to make it produce more sugar, more protein, more oil, more latex, or more or better fruit than it would under the bestconditions without treatment. Enhancement of productivity of crops grown for processing could be achieved by selecting for high levels of processing components, e.g., insoluble solids, flavor, acidity,etc.
Control of Flowering
The capability to induce flowering or, if flowering causes adecreased économie benefit, the ability to prevent flowering is necessary in many horticultural and agricultural crops. In the early 1930's, ethylene was shown to accelerate flowering in pineapple and, a few years later, acetylene gas was used commercially in Hawaii for this purpose. Later, auxins were shown
Understanding Plant Biostimulant Products
Understanding plant biostimulant products is a crucial first step for farmers looking to enhance crop growth and resilience. Plant biostimulants encompass a diverse range of substances and microorganisms that stimulate natural plant processes, improving nutrient uptake, efficiency, and tolerance to environmental stresses. Unlike traditional fertilizers that supply nutrients directly, biostimulants work by bolstering the plant's inherent abilities. This can lead to improved growth, yield, and overall health of the crops. When selecting a biostimulant, it's important to consider its composition, the specific mode of action, and how it meets the unique requirements of your crops.
Identify Your Crop's Specific Needs
Identifying your crop's specific needs is a fundamental aspect of selecting the right plant biostimulant. Each type of crop has its unique set of requirements and challenges. For instance, some crops may need support in root development, while others might require assistance in nutrient absorption or resilience against environmental stresses like drought or salinity. Understanding these specific needs is critical in choosing a biostimulant that can effectively address them. This step involves assessing the growth stages of your crops, the prevailing environmental conditions, soil health, and any particular stressors your crops are facing.
Research the Active Ingredients
The effectiveness of a biostimulant largely depends on its active ingredients. Common ingredients include humic and fulvic acids, seaweed extracts, amino acids, and beneficial microorganisms like mycorrhizae. Each of these components works differently. For instance, humic acids improve soil structure and nutrient availability, while seaweed extracts are known for enhancing plant growth and stress resistance. Research the active ingredients in each biostimulant to ensure they align with your crop's needs.
Consider the Application Method
Biostimulants can be applied in various ways, including foliar sprays, soil drenches, and seed treatments. The application method can affect the efficiency and effectiveness of the product. Foliar applications are typically more suitable for immediate absorption and quick effects, whereas soil applications may provide longer-lasting benefits. Choose a biostimulant with an application method that fits your farm's operational capabilities and the specific requirements of your crops.
Evaluate Compatibility with Other Agricultural Inputs
Evaluating the compatibility of plant biostimulants with other agricultural inputs is a critical step for farmers aiming to integrate these products into their existing farming practices. Biostimulants should work in harmony with the fertilizers, pesticides, and other treatments used on the farm. Incompatibility can lead to reduced effectiveness or even adverse effects on crop health and yield. When assessing compatibility, consider the chemical and biological interactions that might occur. For example, certain biostimulants might enhance the uptake of nutrients from fertilizers, thereby increasing efficiency. On the other hand, some combinations could lead to nutrient imbalances or negatively impact the microbial balance in the soil.
Look for Trials and Scientific Evidence
Reliable scientific evidence and field trials are crucial in assessing the effectiveness of biostimulants. Look for products that have been tested in conditions similar to those on your farm. Studies and trials can provide valuable information about expected outcomes, application rates, and potential return on investment. Products backed by solid scientific research are generally more reliable and effective.
Consider Environmental Impact and Sustainability
Considering the environmental impact and sustainability of plant biostimulants is essential in modern farming practices. Sustainable biostimulants are those that not only boost crop yield and health but also minimize ecological footprints. This involves choosing products derived from natural, renewable sources, and those that reduce dependency on chemical fertilizers and pesticides. Such biostimulants can improve soil health, reduce runoff and pollution, and contribute to the overall sustainability of the farming ecosystem.
Common Component of Plant Biostimulants
Humic and Fulvic Acids
These are organic acids derived from decomposed organic matter. They enhance nutrient availability and uptake by forming complexes with minerals in the soil.
Seaweed Extracts
Extracts from seaweeds contain various growth-promoting substances such as cytokinins, auxins, and gibberellins. They can enhance plant growth, development, and stress tolerance.
Amino Acids
Amino acids are the building blocks of proteins. They play a role in plant metabolism, stress response, and can be used to improve nutrient uptake.
Microbial Amendments
Beneficial microorganisms, such as mycorrhizal fungi and plant growth-promoting bacteria (PGPB), can be included in biostimulant formulations. They establish symbiotic relationships with plants, enhancing nutrient absorption and providing protection against pathogens.
Plant Extracts
Extracts from various plants can contain compounds that stimulate plant growth and enhance stress tolerance. These extracts may include essential oils, polyphenols, and other bioactive substances.
Enzymes
Certain enzymes may be included in biostimulant formulations to facilitate biochemical reactions in plants and improve nutrient utilization.
Chitosan
Chitosan is derived from chitin, a component of the exoskeleton of crustaceans. It can induce plant defense mechanisms and enhance resistance to diseases.
Vitamins and Hormones
Some biostimulants may contain vitamins (e.g., B vitamins) and plant hormones (e.g., auxins, cytokinins) to regulate and promote plant growth.
Silicon Compounds
Silicon is known to enhance plant resistance to biotic and abiotic stress. Some biostimulants include silicon compounds to improve plant strength and resilience.
Abiotic stress is defined as environmental conditions that reduce growth and yield below optimum levels. Abiotic stress such as cold, drought, and salt largely influences plant development and crop productivity. Abiotic stress has been becoming a major threat to food security due to the constant changes in climate and deterioration of the environment caused by human activity. To cope with abiotic stress, plants can initiate a number of molecular, cellular, and physiological changes to respond and adapt to such stresses.
Abiotic stresses may be prevented by optimizing plant growth conditions and through the provision of water and nutrients and plant growth regulators (PGRs-auxins, cytokinins, gibberellins, strigolactones, and brassinosteroids). In addition to these traditional approaches, biostimulants have been highlighted as a promoter of optimizing productivity by modifying physiological processes in plants. Biostimulants offer a potentially novel approach for the regulation and/or modification of physiological processes in plants to stimulate growth, to mitigate stress-induced limitations, and to increase yield.
The plant hormone auxin is the key regulator of many aspects of plant growth and development, including cell division and stretching, differentiation, tropisms, apical dominance, senescence, abscission, and flowering. The cytokinins are mainly responsible for cell division, besides affecting many other processes, such as vascular development, apical dominance, and nutrient mobilization, especially when interacting with auxins.
Gibberellic acid has a marked effect on the seed germination process, activating hydrolytic enzymes, such as α-amylase and protease, which actively act in the unfolding of the reserve substances, facilitating the mobilization of the endosperm. In addition, they promote the breakdown of dormancy, stem elongation and growth, cell division, and, consequently, leaf expansion.
The biostimulant is composed of cytokinin, indole-butyric acid, and gibberellic acid, applied in seed, increased the seedling emergence percentage of Gossypium hirsutum L., as well as leaf area, height, and growth of seedlings. The algal extract applied via leaf yielded higher seed yield of Glycine max.
An increase in the quantity and quality of Allium cepa L. bulbs with foliar application of putrescine and amino acid glutamine was observed. L-glutamic acid is an important amino acid that acts as a central molecule in the metabolism of higher plants, being the precursor of the synthesis of chlorophyll in leaves, and the carbon regulatory function and nitrogen metabolism. Glutamate is also a precursor of arginine and ornithine, which in turn act on the synthesis of polyamines, which can act on plants, minimizing stress conditions. In addition to these amino acids, others are important in cell metabolism with the expressive diversity of biological functions.
The application of extracts from algae or other plants have beneficial effects on growth and stress adaptation. Algal extracts, protein hydrolysates, humic and fulvic acids, and other compounded mixtures have properties beyond basic nutrition, often enhancing growth and stress tolerance. Although most plant biostimulants are added to the rhizosphere to facilitate uptake of nutrients, many of these also have protective effects against environmental stress such as water deficit, soil salinization, and exposure to sub-optimal growth temperatures.
BioStimulants vs. Fertilizer
Bio-Stimulants and fertilizer are not the same. For most properties in our area, we recommend a Bio-Stimulant in order to achieve this.
While Bio-Stimulants help to improve plant growth and health, fertilizers are primarily used to replenish the soil with essential nutrients that plants need to grow. If you have soil that lacks a particular nutrient, a Bio-Stimulant will contribute additional nutrients.
If the nutrient is present but trapped in the soil, organic Bio-stimulants can assist in releasing it. This is because Bio-stimulants increase the bio-availability of nutrients in the soil, and this allows your plants to then absorb and use the nutrients more efficiently.
It's easy to assume that Bio-stimulants and fertilizers are the same since they both nourish soil and plant growth. But there are key differences between the two compounds. Let's go through them and compare:
Fertilizer
●Improves tolerance against stressors
●Presents nutrients to the soil
●Can be synthetic or organic
●Synthetic contains chemicals that damage soil
●Fast-acting
Biostimulants
●Improves tolerance against stressors
●Uses and enhances nutrients already in the soil
●Strictly organic-based
●Does not contain harmful chemicals
●Provides a solution for compact soil
●Works slower but without damaging soil
Read and Follow Product Labels
Always read and follow the instructions provided on the biostimulant product label. This includes recommended application rates, timing, and any specific instructions for mixing or handling the product.
Compatibility with Other Inputs
Check the compatibility of biostimulants with other fertilizers, pesticides, or agricultural inputs that you plan to use. Some products may have specific compatibility guidelines to avoid adverse interactions.
Testing on a Small Scale
Before widespread application, consider conducting small-scale trials to assess the response of the crop to the biostimulant. This can help identify any unexpected issues and optimize application methods.
Application Timing
Apply biostimulants at the recommended stages of crop growth for maximum effectiveness. Avoid applying them during extreme weather conditions, such as high temperatures or heavy rainfall, which may reduce their efficacy.
Proper Storage
Store biostimulants according to the manufacturer's recommendations. This may include storing them in a cool, dry place away from direct sunlight. Proper storage helps maintain the stability and effectiveness of the product.
Personal Protective Equipment (PPE)
Use appropriate personal protective equipment (PPE) when handling and applying biostimulants. This may include gloves, protective eyewear, and clothing to minimize skin contact.
Avoid Overuse
Follow recommended application rates to avoid overuse, which may lead to phytotoxicity or other negative effects on plants. Over-application does not necessarily result in increased benefits and can be wasteful.
Environmental Considerations
Be mindful of environmental considerations, such as water runoff, especially if the biostimulant contains nutrients or other components that could impact water quality. Follow guidelines for environmentally responsible application.
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Frequently Asked Questions
Q: What are examples of plant bio stimulants?
Q: What are common biostimulants?
Q: Do plant biostimulants work?
Q: What are natural biostimulants?
Q: How do you make bio stimulants?
Q: What are biostimulants for grass?
Q: What is the market for biostimulants?
Q: Can biostimulants replace fertilizer?
Q: What is the difference between PGR and biostimulant?
Biostimulant: biostimulants are not actual nutrients, but they do stimulate the natural nutrition processes of plants.
Q: What is the difference between biostimulants and biopesticides?
As one of the leading plant biostimulants manufacturers and suppliers in China, we warmly welcome you to buy or wholesale cheap plant biostimulants from our factory. All our products are with high quality and competitive price.
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