Hydroponic nutrients Gardening Guide – Hydroponic nutrient solutions composition
Nitrogen (N)
The most essential of all nutrients for leaf and stem development. Nitrogen consumption depends on a plants growth cycle and in a vegetative growth phase of plant nitrogen consumption is greatest. Hydroponic nutrients solutions labeled as “grow” or “flower” contains more concentrations of nitrogen. Nitrogen deficiency is the leading cause of plant growth in indoor hydroponic garden systems. Yellowish, soft and weak plants and leaves are tell-tale signs of nitrogen deficiency.
Half-strength nitrogen solutions are ideal for plants between growing phases. This will prevent plant stretch while it’s switching its energy over to flower development. Normal feeding is resumed once the plant reaches the flowering stage.
Phosphorous (P)
Phosphorous plays a major part in root and flower development. Phosphorous deficiency signs are slow and stunted plant growth. Phosphorous is crucial to a plants flowering stage. “Bloom” type formulas contain a 0-50-30 concentration, containing no nitrogen and high levels of phosphorous and potassium.
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Potassium (K)
Different in action from the previous two nutrients, it doesn’t feed the plant directly in any specific stage of growth. It merely facilitates plant intake of other primary and secondary plant nutrients. Potassium deficiency cause irregular plant growth and susceptibility to pests and disease. Potassium inhibits fruit production and should be lessened during this stage.
Secondary Hydroponic Nutrients
Calcium (Ca)
Facilitating and filtering the absorption of other nutrients Calcium is one essential nutrient. It is also a natural base that increases the pH level is needed. Commonly used in the vegetative phase of plant growth, calcium consumption is decreased during the flowering stage.
Magnesium (Mg)
Mainly for chlorophyll production in photosynthesis, deficiency causes yellow leaves.
Sulfur (S)
Yellow leaves are a sign of sulfur deficiency and are only used in small amounts.
Iron (Fe)
Used in small amounts, iron deficiency is similar to sulfur deficiency. Yellow leaves are the general signs of deficiency. High pH causes iron absorption problems so constant monitoring is advised.
Molybdenum (Mb)
Mainly for nitrogen absorption and converts nitrates to ammonium
Boron (B)
Facilitates carbohydrate transport in the phloem, it is not essential and maybe disregarded. Boron overdose causes plant kill, it is not found in regular soils and only supplemented.
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