Advantages and disadvantages of chemical fertilisers

In chemical fertilisation, products are used that support the plant with nutrients for easy and better growth, keeping the crop healthy for higher yields and good quality .

These fertilisers are made with essential macronutrients for the soil, such as nitrogen, phosphorus and potassium, which makes them powerful and powerful.

In addition to these macronutrients, they may contain ammonium sulphate, urea and anhydrous ammonia, among other compounds, depending on their structure and the crops and soils for which they are intended.

No soil is perfect for every plant. Therefore, fertilisers of all kinds provide additional nourishment in the soil, keeping plants healthy, vigorous and fruitful.

Whether with a special blend or a simple fertiliser, you can target the needs of a specific plant by giving it only the nutrients it needs.

Advantages and disadvantages of chemical fertilisers

Synthetic fertilisers allow plants to absorb nutrients more quickly than those obtained from unfertilised soil or natural fertilisers.

Dry forms of synthetic fertilisers usually cost less than organic fertilisers.

Some synthetic fertilisers have time-releasecharacteristics.

Sometimes, when seaweed fertilisers are sprayed, new growth and stronger stemsare produced within a few days.

Advantages of chemical fertilisers

The main positive effect of fertilisation is to increase crop growth, improve the plant and help it to develop well. They increase production and keep the crops lush and nourished.

Fertilisers and fertilisers on the market may contain essential macronutrients such as: carbon (C), oxygen (O), hydrogen (H), nitrogen (N), phosphorus (P), sulphur (S), potassium (K), calcium (Ca) and magnesium (Mg), as well as micronutrients needed in smaller quantities such as: iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), boron (B), molybdenum (Mo), nickel (Ni) and chlorine (Cl) and among other compounds that improve crop efficiency.

When buying fertilisers or fertilisers it is important to check the components, effectiveness and quality according to the type of plant/soil to be applied, as the aim is to improve production by providing nutrients and maintaining the balance of the soil.

Disadvantages of chemical fertilisers

The use of chemical fertilisers can have disadvantages and negative effects. In order to have more sustainable practices, it is necessary to find balance points and to supplement them with organic fertilisers and compounds, as well as to analyse soils and plants constantly to ensure that the different values are suitable and to detect negative reactions in time.

Some of the disadvantages of excessive and uncontrolled use include:

  • Soil degradation

Mismanagement of these products degrades the soil to the point of long-term infertility: this is due, among other things, to the fact that they can substantially increase acidity levels, generate macronutrient saturation or alter it to such an extent that the soil loses sensitivity and absorption capacity to different nutrients.

  • Groundwater contamination

These waters are a natural source of nutrients, minerals and vitality for crop plants: if they become polluted, this may not only represent losses in the immediate production cycle, but also jeopardise the future of agricultural activity in the area.

  • Salt burns

These burns are a warning sign of the deficient or exaggerated use of chemical fertilisers and are evidence of the dehydration of plant tissue, which hinders their correct development and even compromises productivity. Fertilisers with a high salt content (with compounds such as sodium nitrate) are the ones that require the most attention and monitoring to avoid salt burns.

  • Exaggerated growth

Plant dimensions and sizes can exceed normal parameters due to excessive and unorganised application of chemical fertilisers. Larger than normal sizes represent excessive pressure on foliage and roots, and also have an influence on soil degradation or deterioration, which compromises crop yield and plant survival.

Chemical fertilisers are great allies of intensive agriculture, but they can also affect production cycles, soils and surfaces if mismanaged and misapplied.

Combining them with organic compounds, continuous monitoring and, in general, aiming for rationality are key aspects to increase productivity in a safe and sustainable way.

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