As the world’s population continues to grow, ensuring sustainable food production to meet the increasing demand poses a considerable challenge. Plant growth is influenced by a number of factors including water availability, temperature, and availability of nutrients. To supply these nutrients, the use of fertilizers and biostimulants is essential.
What is plant nutrition?
Plants require a range of nutrients for optimal growth. These nutrients are classified into two main categories: macronutrients or micronutrients. Macronutrients, such as nitrogen, phosphorus, potassium, calcium, and magnesium, are needed in larger quantities, while micronutrients like sulfur, zinc, iron, boron, and manganese are required in smaller amounts.Therefore, a balanced application of nutrients is crucial to increase crop yield and ensure the necessary production of food.
What is fertilization?
In agriculture, fertilization involves applying nutrients to crops to enhance their growth and yield. Fertilizers come in two primary types: organic and inorganic. Organic fertilizers are derived from plant and animal waste materials, including agricultural residues and livestock manure. In contrast, inorganic fertilizers consist of chemical substances containing essential nutrients for plant growth.
How to fertilize a plant?
To properly fertilize a plant, it’s essential to prioritize key nutrients like nitrogen, phosphorus, and potassium. Additionally, we should consider the plant’s needs for other macronutrients and micronutrients, even if they are needed in smaller quantities. Ensuring these nutrients are available in sufficient amounts and in the right ratios is crucial. Keep in mind that different plants have different requirements, and these needs may vary throughout each growth phase.
How does a fertilizer differ from a biostimulant?
While both fertilizers and biostimulants contribute to plant growth and productivity, they operate through different mechanisms:
Fertilizers directly supply plants with essential nutrients, promoting plant growth and correcting nutrient deficiencies in the soil. They serve as a direct nutritional source, ensuring that plants have access to the elements necessary for vital physiological processes.
Biostimulants, on the other hand, do not provide nutrients to plants, but instead stimulate the plant’s innate abilities to absorb nutrients, manage stress, and grow. They stimulate plant metabolism and improve nutrient uptake efficiency, resulting in enhanced plant vigor and resilience.
Both fertilizers and biostimulants are designed to optimize plant growth and enhance crop yield and quality. They can be used in conjunction and often complement each other in an integrated approach to plant care and nutrition.
Why use a biostimulant?
In addition to reducing the impact of abiotic stress and boosting plant metabolism, biostimulants enhance nutrient uptake in plants. While fertilizers provide plants with required nutrients, biostimulants help plants use these nutrients more effectively. Moreover, biostimulants impact various metabolic, cellular, and physiological processes in plants, including respiration, photosynthetic activity, ion transport, redox reaction, and more. They promote both the quality and yield of crops.
They are complementary and compatible with the majority of phytosanitary products available on the market and can be used in both organic and conventional farming practices.
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