Plant nutrients and relevant terms

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A relatively high concentration of nutrient which causes harm and potentially death to a plant.

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The form in which a nutrient is taken up by the plant, as a cation or anion. See Plant Nutrient.

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The three nutrients of Nitrogen, Phosphorus and Potassium being expressed as a percentage by weight in the analysis of the fertiliser.

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An expression of the Phosphorus content, as Phosphorus Pentoxide (P2O5), within a fertiliser or soil. The grass plant doesn't take up the element in this compound form.

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An anion, (HPO3)2-, which is more typically called phosphanate. It can be used as a mild fungicide as well as acting as a biostimulant source, although it is not involved in the growth of a plant, unlike the application of the fertiliser nutrient phosphate. Phosphite is typically sourced from potassium phosphite (either mono-potassium (KH2PO3) or di-potassium (K2HPO3) salts of phosphoric acid). Phosphite’s main use is by acting as a plant protectant to reduce the likelihood of disease attack and also slows the speed of infection, especially Anthracnose, Dollar Spot and Fusarium Patch, as we

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A major plant nutrient which is represented by the chemical symbol P. It is a component of nucleic acids, of DNA and RNA, and energy transfer in respiration and photosynthesis, with energy for example being supplied by ATP, and is also required for seed production. Phosphorus typically forms the fourth highest percentage of any plant nutrient (excluding carbon, hydrogen and oxygen) within a turfgrass leaf, with a typical dry matter mid-range concentration being around 0.3%. Phosphorus deficiency, which will be uncommon in many turfgrass situations, can result in reduced cell division an

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Any element which contributes to plant growth and development, especially any Macronutrient or Micronutrient. Typically, this will mean the main plant macronutrients of Nitrogen, Phosphorus and Potassium.

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Any element which contributes to plant growth and development, especially any Macronutrient or Micronutrient.

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An expression, in the form of a ratio and usually quoted as the lowest whole figure ratio for any one nutrient. It is commonly used to distinguish the relative proportions of Nitrogen, Phosphorus and Potassium, also termed NPK within a fertiliser. A fertiliser with 10% Nitrogen; 20% Phosphorus and 10% Potassium has a Plant Nutrient Ratio of 1:2:1.

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The process by which plants obtain elements and compounds needed for them to germinate, develop, grow and reproduce effectively and efficiently. Plants obtain nutrition from the soil and atmosphere, producing their own food compounds (consisting of carbon, hydrogen and oxygen as carbohydrates) through the process of photosynthesis. Without adequate nutrition plants will not develop to their optimum ability, being less resilient than plants supplied with an adequate quantity and balance of essential nutrients.