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Soil testing a must before mouldboard ploughing

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"Currently only a small proportion of growers test soils to this depth, but it is necessary to provide the information they need to help them decide whether to apply lime before or after mouldboard ploughing or spading," he said... "After mouldboard ploughing or spading, but before seeding, growers should ideally go back and sample soils a second time to a depth of 20cm to help them assess soil nutrition requirements - particularly for phosphorus and potassium... "If growers do not have enough time to do nutrient testing between mouldboard ploughing or spading, and seeding, they need to make sure they test for nutrient levels, as well as pH, when soil testing the first time."..