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Plant nutrients are divided into two categories the first is macronutrients which contains primary and secondary nutrients.

primary nutrients : needed in the largest quantities by plants

  • Nitrogen - The most used nutrient of your lawn. It provides plants with the ability to harvest light energy, which allows plants to generate their own energy through photosynthesis. Without N, plants will eventually die. Applying N to turfgrass causes a growth response and enhances chlorophyll production, which provides the deeper green color.Over use can lead to higher insect and disease pressure.
  • Phosphourus -  Involved in photosynthesis, respiration, energy storage and transfer, cell division, and enlargement.  Involved in photosynthesis, respiration, energy storage and transfer, cell division, and enlargement. It also helps with root growth. Florida soils usually have sufficient phosphorous levels and should only be added if a soil sample shows low levels. 
  • Pottasium - Potassium helps turfgrass withstand stresses, such as cold temperatures, drought, traffic, and shade. Potassium also aids in producing a deep root system that makes the grass stronger and moredrought and disease resistant.
Secondary nutrients: used in less quantities than primary nutrients
  • Calcium -  Utilized for Continuous cell division and formation. It is Involved in nitrogen metabolism and reduces plant respiration. Calcium can also stimulate microbial activity.
  • Magnesium - Magnesium is part of the chlorophyll in all green plants and essential for photosynthesis. It also helps activate many plant enzymes needed for growth.
  • Sulfer -  is a structural component of protein and is active in the conversion of inorganic N into protein it is also an important part of chlorophyll production

micronutrients : nutrients required in much smaller amounts than those of the macronutrients

  • Boron -  Aids in cell wall formation and Sugar transport in plants. Plans deficient of Boron often appear stunted.
  • Copper - is necessary for carbohydrate and nitrogen metabolism and helps build cell wall strength
  • Iron - is involved in the production of chlorophyll and is also a component of many enzymes associated with energy transfer. Sypmtpms of iron deficient soils usually appear as yellowing leaves. Iron helps to give a dark green color withought stimulating growth with Nitrogen.
  • Manganese -  is necessary in photosynthesis, nitrogen metabolism and to form othercompounds required for plant metabolism.
  • Molybdenum - is involved in enzyme systems relating to nitrogen fixation. Nitrogen metabolism, protein synthesis and sulfur metabolism are also affected by molybdenum. Deficiencies are found mainly on acid, sandy soils in humid regions.
  • Zinc - is an essential component of various enzyme systems for energy production, protein synthesis,and growth regulation
  • Chloride - most of its functions relate to salt effects and electrical charge balance in physiological functions in plants. Chloride also indirectly affects plant growth by stomatal regulation of water loss. Applications of muriate of potash are high in chlorides so this nutrient is rarely deficient if mop is used.

 This was just a brief explanation of what the elements of fertilizer do. Different plants use these nutrients in different amounts so the amounts needed are depenant on the plant type. Soil ph is important as well because it can cause some nutrients to be unavailable to the plant. Soil testing plays an important role in balancing the nutrients. All of the nutrients form a chain that sustains the life of your plants. Promo lawn & Pest can help you get thes vital nutrients to your plants .