3. Understand plant nutrition provided by soil and other growing media 0.0 / 5 ? OtherPrinciples of horticultureOtherOther Created by: acouch1Created on: 13-03-17 19:31 Describe a range of nutrients required for healthy plant growth Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, Iron 1 of 14 Describe the role of nitrogen in a plant for leafy growth, strong vegetative growth 2 of 14 Describe the role of phosphorus in a plant important for germination and root growth 3 of 14 Describe the role of potassium in a plant Regulates water uptake and turgidity of plant cells. Associated with flower and fruit development 4 of 14 Describe the role of calcium in a plant neutralises toxins in plant cells 5 of 14 Describe the role of magnesium in a plant essential for photosynthesis 6 of 14 Describe the role of iron in a plant important in the production of chlorophyll and chloroplasts 7 of 14 Describe the visual symptoms of iron deficiency in plants Interveinal chlorosis on young leaves first 8 of 14 Describe the visual symptoms of potassium deficiency in plants Marginal leaf scorch mainly in older leaves which may curl up 9 of 14 Describe the visual symptoms of nitrogen deficiency in plants Yellowing leaves - older leaves first 10 of 14 Describe the visual symptoms of calcium deficiency in plants Fruit distortion. Blossom end rot in tomatoes. Black 'tip burn' or spotting on leaves 11 of 14 Describe the visual symptoms of magnesium deficiency in plants Interveinal chlorosis of older leaves. Tomatoes and potatoes. 12 of 14 Describe the visual symptoms of phosphorus deficiency in plants Some plants show purple colour in older leaves 13 of 14 What is potash? The common name given to a water soluble form of potassium 14 of 14
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