2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Gardeners are often puzzled by the question: "What is needed to increase yields?" Of course, fertilization is always an important factor in achieving results. In top dressing, the main role is played by superphosphate. This mineral product provides phosphorus that stimulates growth, enhances fruiting, improves palatability, prolongs the growing season, and slows down the aging of plants
Phosphorus deficiency is easily identified by its appearance. The reverse side of the leaves changes its natural color to a purple, rusty, bluish color. This is usually noticeable in seedlings and manifests itself during a period of low temperatures. Phosphorus compounds are present in the earth, the natural balance does not exceed 1%, which is insufficient for cellular synthesis and energy processes of the plant. For gardening, the most effective way to enrich the soil is superphosphate.
What is superphosphate and its types
Superphosphate is a complex of useful microelements, among which nitrogen and phosphorus are released. Potassium, magnesium, calcium, sulfur, etc. are present in a balanced form. The main action is aimed at enhancing metabolism, increasing yield, fruit quality, and developing the root system. Actively affects the acceleration of flowering and the formation of the ovary, protects against the development of diseases. Superphosphate is used in various forms.
Simple superphosphate
The mixture has a soft concentration of phosphorus (20-25%) and nitrogen (6-8%). There is a sufficient amount of sulfur (8-10%), calcium sulfate (35-40%). Available in granules or powder. Designed for the enrichment of sandy, podzolic, super-sandy soils. It is used for growing potatoes, tomatoes, legumes, cereals. In the form of dressings, it is relevant for beets, radishes, carrots, turnips, bulbous plants. Differs in solubility and inaccessibility for many plant species. Cruciferous and oil crops respond well to it. Ideal for composting and water infusions. It goes well with nitrogenous compounds.
Double superphosphate
Has increased proportions of phosphorus and nitrogen (50: 15%). Substances are in readily available form, dissolve well in water, and are more convenient to work with. Produced in granules, applied directly to the soil in autumn or early spring. Plants needing phosphorus are watered with an aqueous solution; 1-2 dressings are usually carried out per season. Ideal for all types of plants and soil varieties. Harmoniously combines and enters into an active form with potassium elements.
Superphosphate dosage
Skillful agricultural technology and a competent approach give good results. Dosage is an important factor in the application, the amount used is selected according to the specific plant species and soil characteristics. You should carefully study the instructions on the packaging, the norms of use. Leafy greens and vegetables respond well to spring-autumn application for digging: double - 30-40 g per sq. meter, simple - 60-80 g. Depleted soils require a dose increase of 20-30%. It is good to combine composting with superphosphate; for this, a tablespoon is added to the bucket.
When using simple superphosphate for digging, the second feeding occurs only after the end of the flowering stage. For greenhouses, they must be combined with nitrogen-potassium collection. For indoor crops, it is always better to use a double fertilization option and the application is carried out in an increased dose of 80-100 g per sq. meter. In practice, the method of adding to the wells has proven itself well. For example, when planting seedlings, 3-4 g of powder are laid.
Hoods are most effective. Proper preparation involves pouring boiling water over the powder, which accelerates the release of phosphorus into the solution. For 100 g of dry fertilizer, 1 liter of water is enough. Next, boil for 30 minutes. After cooling, it is filtered and diluted in proportions of 100 ml of the resulting solution to a bucket of water. This is enough for feeding 1 sq. meters.
Features of use
The effectiveness of superphosphate action on neutral and alkaline soils has been proven. In acidic soil, phosphoric acid decomposes into iron and aluminum phosphates and becomes inaccessible to plants. To "deoxidize" the earth requires preliminary treatment with chalk, phosphate rock, ash or limestone.
The use of superphosphate in the garden is not reflected in the chemical composition of the products. This fertilizer only affects growth, fruiting, improves the nutritional value of the soil and does not accumulate in vegetables, root crops, and herbs.
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