Understanding a plant's requirements in terms of nutrition is very essential to ensure its healthy growth. Much like any human body requires nutrients to sustain and grow, plants also need a set essential nutrients for their proper functioning and growth.
To be able to grow, develop, and produce, plants must have specific elements or compounds called plant essential nutrients.
With the absence of these essential nutrient a plant cannot complete its life cycle — the seed may not germinate; the plant may not be able to develop roots, stems, leaves, or flowers properly; or it may not be able to produce seeds to create new plants. Often the plant itself will die.
However, having too much of a nutrient can harm and even kill plants. For example, having too much nitrogen can cause a plant to grow more leaves but less or no fruit. Too much manganese can make the leaves turn yellow and eventually die. And excess boron can kill a plant.Plant essential nutrients
Scientists have identified 16 essential nutrients and grouped them according to the relative amount of each that plants need:
- Primary nutrients, also known as macronutrients, are those usually required in the largest amounts. They are carbon, hydrogen, nitrogen, oxygen, phosphorus, and potassium.
- Secondary nutrients are those usually needed in moderate amounts compared to the primary essential nutrients. The secondary nutrients are calcium, magnesium, and sulfur.
- Micro- or trace nutrients are required in tiny amounts compared to primary or secondary nutrients. Micronutrients are boron, chlorine, copper, iron, manganese, molybdenum, and zinc.
- A very few plants need five other nutrients: cobalt, nickel, silicon, sodium, and vanadium.
Forms of essential plant nutrients
To be used by a plant, an essential nutrient must be broken down into its basic form. The nutrient must be in the form of either a positively charged ion (cation) or a negatively charged ion (anion). A plant cannot use organic compounds, such as those in manure or dead leaves, until they are broken down into their elemental or ionic forms.
Also, plants cannot use an element that is not in the proper form (a specific ion) even if it is present in high concentrations in the soil. For example, the presence of iron (Fe) in the soil will not guarantee that enough of the proper iron ions, Fe2+ or Fe3+, will be available to the plant.
Plants take in almost all of the essential nutrients through their roots. The exception is carbon, which is taken in through leaf pores, or stomata. Two types of organisms living in the soil help the roots take up nutrients:
- Microorganisms, or microbes, break down organic compounds into inorganic compounds in a process called mineralization.
- Fungi enable some plants to take up phosphorus by increasing the size of the roots and providing more soil-to-root contact.
To ensure sustainable living, it is very important to give good quality and non-residue nutrition products. Our garden care collection is complete in terms of providing protection and nutrition to the plants with minimum set of products.
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