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Arable Farming
Cropping
Gypsum
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<blockquote data-quote="franklin" data-source="post: 1878502" data-attributes="member: 1118"><p>Some soils are high in pH due to other things - excess potasium perhaps, or sodium. These will need calcium. </p><p></p><p>Despite my soils having mag levels of circa 800ppm, I still have to apply magnesium. Typical soil test here would be say 3100ppm Calcium and 800ppm magnesium. High K, low P.</p><p></p><p>The link between soil test nutrients and plant tissue at various times of the year is not very strong. But tissue tests are pretty much the same each year.</p></blockquote><p></p>
[QUOTE="franklin, post: 1878502, member: 1118"] Some soils are high in pH due to other things - excess potasium perhaps, or sodium. These will need calcium. Despite my soils having mag levels of circa 800ppm, I still have to apply magnesium. Typical soil test here would be say 3100ppm Calcium and 800ppm magnesium. High K, low P. The link between soil test nutrients and plant tissue at various times of the year is not very strong. But tissue tests are pretty much the same each year. [/QUOTE]
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