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Soil Testing Kit This kit tests for all the major nutrients in your soil such as N, P, K and pH. Plants need food (nutrients) for healthy growth. Nitrogen, Phosphorus and Potash play a vital role in plant growth just as vitamins , minerals, carbohydrates and protein do in our health. Enough for around 350 tests, comprehensive instructions included. N - This nutrient is essential for growth of vegetation, especially grass and leafy plants. The right amount of nitrogen allows for healthy growth. P - This nutrient is necessary for strong growth and root vegetables. It helps the formation of buds and healthy stems. K - This nutrient is important in the development of flowers and shrubs, the correct potassium levels ensure that the flowers become more fragrant and have improved colour. In vegetables, it ensures a better quality crop. pH - It is important to test the pH of your soil to ensure the acidity levels are correct
