Plant Nutrition – The Crucial Importance of Trace Elements for Horticultural Plants

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Most home gardeners are aware that garden plants require mineral nutrient supply for their growth and development. As nitrogen, phosphorus and potassium are common names commonly found on fertilizer packages, they sometimes assume these "important" nutrients. On the other hand, so-called trace elements, except for iron, are often considered negligible as an exception.

Nothing can be more than the truth. Trace elements such as manganese, iron, zinc and copper are all vital to plant metabolism as they play a key role in processes such as respiration and photosynthesis, and thus the absence of a single element adversely affects healthy growth. Plant

Trace elements are referred to as plants requiring small amounts, while macro elements such as nitrogen should be used and consumed in large quantities. Because of this, the latter are occasionally lacking in sufficient quantities, so they must be artificially dispensed with chemical or organic fertilizer. Recognizing that trace elements need to be available to plants, how can a home gardener know how to do so? To answer this, it is worth understanding some of the key points on trace elements, especially in relation to the dry and Mediterranean climate.

* In limestone alkaline soils found in most dry regions, trace elements are usually found in sufficient quantities [19659002] * If they are present in too high concentrations, some are poisonous to plants and not the basic elements of boron. In fact, one of the problems associated with the increasing salt content of dry climatic soils is the concentration of trace elements to the point where the toxin is susceptible to plants

* Gaps in one or more trace elements are likely to be caused by soil conditions that make the plant unavailable. For example, in alkaline soils, iron usually crystallizes in solid state. As plants pick up elements as a mineral salt dissolved in groundwater, this means that an element is not absorbed in the solid form between the roots of the plants. Weak aeration in heavy, clay soils is another factor that prevents the inclusion of basic elements.

* Trace element accumulated in groundwater (where rootstock is available) is another that is absorbed by the mineral clay of soil particles and is thus removed from groundwater. For example, iron, which is a high concentration of manganese and zinc. Consequently, iron fertilizers should be used with caution, since abusing them may result in the absence of other minerals.

* In most cases, proper soil management is sufficient to prevent trace element deficiencies. This includes proper draining of organic matter and a high percentage of composting on the ground. As a result, oxygen levels in the soil increase, and this is less alkaline, thus increasing the solubility of many mineral salts. In principle, fertilizers containing trace elements are most preferred for artificial potting media used in container culture.

* The most common symptom of iron loss is the yellowing of leaves of plants – the condition called chlorosis. However, these symptoms may alternatively indicate a lack of nitrogen which can occur in anaerobic soil conditions, even if a large amount of nitrogen fertilizer is used on a regular basis. Therefore, it is better to try to correct bad conditions such as compressed soil in the lawn before running with iron fertilizer. It may also be suitable for soil tests.

However, iron fertilization is sometimes a response to growing plants on walls, where building material residues increase the pH (acidic-alkaline scale) to an alkalinity level that prevents iron dissolving in groundwater. Iron fertilizers usually come in the form of chelate, which overcomes the pH of the soil. Properties of chelate that protect the crystallization of iron molecules but are exposed to sunlight. Therefore fertilizer should be digested in the soil as quickly as possible.

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