Lawn fertilizer

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Lawn fertilizer

Fertilization is one of the main agricultural techniques used to ensure healthy lawn growth. The color, resistance and aesthetic performance of the turf will depend, in fact, on the type of fertilizer used and the fertilization technique applied. There are fertilizers on the market that are suitable for any type of natural lawn, from sports lawns to English lawns, to those that will be born immediately after sowing and to those already grown. The aesthetic results of the lawn will essentially depend on the type of fertilizer chosen and used, so it can be said that the choice of fertilizer must be carried out with extreme care.

Sowing lawn fertilizer

The fertilizers for sowing the new lawn must be complex, that is, they must contain a mixture of nitrogen, phosphorus and potassium (symbol NPK) and microelements in well-defined proportions. The fertilization of the first sowing of the lawn must be mainly based on phosphorus, which favors the development of the root system of the grass. The ideal ratio of fertilizer for sowing the new lawn is: 12% nitrogen, 20% phosphorus and 8% potassium, as well as 12% microelements such as magnesium. Fertilizers for the first sowing of the lawn should preferably be slow release, to allow better distribution and assimilation of nitrogen. These must be distributed from April to September, even by hand, spreading 25 grams of fertilizer per square meter. In the case of very large areas, a fertilizer spreader trolley can be used. By following the right periodicity and distributing the correct amount of fertilizer, you will get a new green lawn, lush, uniform and resistant to foot traffic.

  • Lawn fertilization

    Lawn fertilization is the cultivation practice that allows you to have a healthy turf, uniform in color and resistant to adversity. With the fertilization we proceed to provide the grass with pra ...

Maintenance fertilizer

Maintenance fertilizer is used to keep the lawn in good color and health. The title of these fertilizers is always NPK, with a ratio of 20% nitrogen, 5% phosphorus and 10% potassium, as well as microelements such as magnesium. Chemical fertilizers for lawns are also enriched with small quantities of sulfur trioxide which also gives these products herbicidal properties. The problem is that sulfur trioxide is irritating and polluting the atmosphere, so it is advisable to resort to natural fertilization. In any case, maintenance fertilization strengthens the lawn, both in color and in the density of the grass. The fertilizer must be spread one or two days after cutting and with dry lawn. Immediately afterwards, watering is carried out, which must be done even if the lawn is already wet. Lawn maintenance fertilization should be done twice a year, in spring and autumn.

Fertilizer against thinning

If over time the lawn undergoes a noticeable thinning, it is a sign that it has not been able to absorb all the nutrients. Grass thinning may also be due to the natural wear of the green mantle or extreme climatic conditions that prevent the seedlings from regenerating. In all these cases, iron-based fertilization is required which, in addition to promoting the absorption of nutrients from the fertilizer, thickens the lawn, also avoiding the appearance of moss. On the market there are ferrous fertilizers in the form of granules. These products should not be administered in periods of severe cold or excessive drought and not even in meadows developed just after sowing. After application, a light irrigation must be carried out, while the cuts must be made about three to four days after fertilization. After cutting, you can proceed to mow the grass to remove the moss and ventilate the lawn. The fertilization period, even in the case of iron-based compounds, is always in spring and autumn. Ferrous fertilizers can be included in compound fertilizers, that is those with NPK title or be available in simple formulations based on iron sulphate. The latter substance is allowed in organic farming and is suitable for lawns that insist on particularly humid and shady areas. Under these conditions, the turf tends to thin out and become infested with moss. The iron sulphate allows you to easily get rid of this weed and restore the natural uniformity of the lawn. Fertilizers based on iron sulphate contain a higher percentage of this mineral than traditional fertilizers. For a good result, the iron must be at least 30% of the product. Iron sulphate dissolves in water and is produced with a microgranular formulation. The ferrous fertilizer is distributed in March and October. Irrigation must be done three days after fertilization, while the lawn must not undergo any foot traffic at least until the next cut.

Lawn fertilizer: Weed fertilizer

In case of high presence of weeds, fertilization can be carried out with complex fertilizers with a herbicide effect. These are chemical fertilizers which, in addition to classic nutrients and microelements, contain dimelitaminic salts. The herbicide fertilizers for the lawn are applied only in case of actual need, in spring and with night temperatures above 10 degrees. In newly established meadows they should be used only three months after sowing. The same substances necessary for a good fertilization of the lawn can be found through natural fertilizers derived from other vegetable substances or from earthworms. The fertilization period is identical to that of chemical products, but with lower risks of environmental pollution and excellent results from the point of view of the quality of the lawn.


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  5. Denisc

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  6. Readman

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