In mid-July, peppers are eagerly awaiting one thing: 3 spoonfuls in a bucket — and the branches are sturdy, while the fruits grow nonstop — up to 10 kg of harvest per plant.

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      Effective fertilization for a generous pepper harvest

      A deficiency of potassium and magnesium in the soil critically affects plant growth, especially for crops like sunflower (Helianthus annuus), leading to reduced yields and poor fruit quality. Ash, produced by burning organic materials, is a valuable source of these and other biologically significant elements.

      Sunflower ash, in particular, contains a high percentage of potassium and magnesium, as well as phosphorus, calcium, and sulfur, which are key chemical elements for flower bud formation and improving fruit flavor qualities. However, to make these chemicals accessible to plant roots, it is necessary to consider their chemical properties and interaction characteristics. The alkaline nature of ash, due to the presence of metal salts, can hinder the effective absorption of nutrients. That is why agrochemical methods are used to modify the pH of the environment. For example, adding fermented dairy products like kefir or weak acids such as vinegar essence helps neutralize ash alkalinity. This transforms chemical elements from insoluble compounds into forms easily absorbed by plants. Ion exchange occurs, releasing potassium and magnesium atoms from various chemical groups in the ash, making them available for uptake. "Understanding the chemical reactions involved when ash interacts with organic acids allows for significantly increased fertilizer efficiency and provides plants with an optimal set of chemical elements for healthy development," notes Dr. Sergey Petrov, professor of chemistry at Moscow State University M.V. Lomonosov.

      Additionally, enriching the nutrient solution with components such as spirulina or chlorella further enhances biological activity. These microalgae saturate the composition with amino acids, vitamins, and trace elements, stimulating photosynthesis and overall plant growth. Applying such complex fertilizers, containing a balanced set of chemical elements and biologically active substances, can greatly improve the quality and quantity of the harvest by ensuring full plant nutrition at all growth stages.

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