Fertilizer for hedges

Fertilizer for hedges

Fertilizer for hedges is a fundamental element if you want to have shrubs with dense and luxuriant vegetation. The plants that make up a hedge are positioned very close together and over time tend to withdraw from the ground a large amount of mineral salts necessary for their development. Since it is impossible to periodically replace the soil, it will be necessary to make it fertile again, adding mineral salts and soil conditioner. Generally a good quantity of fertilizer is already sprinkled in the planting holes, to favor the rooting of the new plants; but during the following months the fertilizer is used by the shrubs or washed away by the rains. In addition to providing fertilizer, it is also possible to mulch the base of the stems with organic material, such as dry leaves or straw, and amend with compost or humus,

The types of fertilization: macro-elements

Fertilizing means adding to the soil the mineral salts that plants absorb through the roots, because they are used for their correct development. The main elements useful for plant life are three: Nitrogen, phosphorus and potassium. Nitrogen is important for the development of green vegetation, for the production of new cells of the whole plant and for favoring the enlargement of the buds. For this reason, all fertilizers contain high percentages of nitrogen, even if it is in late winter and late summer that fertilizers for hedges with a high nitrogen content are preferred. This promotes the growth of lush and strong plants. Potassium is essential for cell differentiation, for the coloring of flowers and fruits, for the production of seeds; fertilizers rich in potassium are supplied during the spring and summer. Phosphorus is important for the general health of plants, and above all to allow correct development of the root system. This element is mainly present in summer or autumn fertilizers, so that the plants sink their roots well into the ground and are protected from the cold in winter.

How to fertilize: microelements

Fertilizers generally contain a good amount of nitrogen, phosphorus and potassium, in different percentages; in addition to these macroelements, they also contain a certain amount of microelements: these are mineral substances necessary for life, but of which plants use only minimal quantities. Although the doses are decidedly reduced, they are very important substances, the lack of which can lead to the onset of serious diseases. The most typical is ferric chlorosis; it is an iron deficiency disease, which prevents plants from producing chlorophyll correctly: the leaves become lighter and lighter, until they turn yellow, and the plants show conspicuous suffering, because without chlorophyll they cannot survive. There are many microelements, from iron to chromium, from boron to molybdenum, to get to copper and zinc. The best formulated fertilizers contain these microelements in minimal quantities, in such formulation that they can be easily absorbed by the roots of the plants. Some fertilizers also contain mesoelements, such as calcium, magnesium, sulfur and chlorine, which are important for life.

The fertilizer for hedgesit must be supplied several times a year, both to shrubs placed in the ground and to those placed in containers. Clearly it is difficult to use fertilizers to dissolve in the watering, due to the fact that generally the hedges are composed of several plants, and often they do not water because the humid climate and the rains do the job for us. The fertilizer is therefore preferred in granular forms or in the form of humus, so that it can be spread on the ground, and gives the nutrients to the plants as the weeks go by. Fertilization in late winter and autumn is often done with manure, or compost, which is spread close to the stems of the plants, burying it lightly with a hoe. For spring and summer fertilizations, slow release granular fertilizers are preferred, consisting of synthetic fertilizers, shredded organic material, or even rocks particularly rich in some minerals; rains and watering will gradually dissolve the granules, releasing mineral salts into the soil.

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