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Hydrogen (H), derived almost entirely from water, is one of the 17 essential nutrients necessary for plant growth. Hydrogen, along with carbon and oxygen, are the three primary elements plant use in the largest amounts, and they perform as the building blocks for plant growth.otassium (K) is one of the essential nutrients and is taken up in significant amounts by crops. Potassium is vital to photosynthesis, protein synthesis and many other functions in plants. Itâs classified as a macronutrient, as are nitrogen (N) and phosphorus (P). Plants take up K in its ionic form (K +).
Without the right nutrients and growing environment, your plants will grow poorly, and they can become susceptible to insects and diseases. There are three major nutrients that can limit the growth of your plants and a variety of conditions that your plants need to sustain healthy growth. The three nutrients that plants use in the greatest quantities are nitrogen, phosphorous and potassium. Soils that are deficient in these nutrients produce stunted plants that are more likely to suffer damage from diseases and insects. In most cases these elements are naturally present in sufficient quantities to support the growth of most plants.