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--- library:articles:is_magnesium_a_hidden_problem_in_your_area 2010/03/17 15:48
+++ library:articles:is_magnesium_a_hidden_problem_in_your_area 2010/03/17 15:49 current
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-Data presented by Sumner (4) suggests a similar K:Mg relationship. In Sumners Handbook of Soil Science, work by Wilkinson et al., 1987 reported that "High rates of applied K to cool season grass pastures, whether from manure or inorganic fertilizers, increase the incidence of grass tetany". Work by Johannsonn and Hahlin, 1977, presented by Sumner (4) illustrates the significance of the relationship between K and Mg, and the lesser effect of Ca on this 3-way interaction. In this study, the uptake of either K or Mg by oats (Figure 1, 2, and 3), was significantly decreased by increasing amounts of the other. While the availability of Ca was also important, its effect was less than either K or Mg.
+Data presented by Sumner (4) suggests a similar K:Mg relationship. In Sumners **Handbook of Soil Science**, work by Wilkinson et al., 1987 reported that "High rates of applied K to cool season grass pastures, whether from manure or inorganic fertilizers, increase the incidence of grass tetany". Work by Johannsonn and Hahlin, 1977, presented by Sumner (4) illustrates the significance of the relationship between K and Mg, and the lesser effect of Ca on this 3-way interaction. In this study, the uptake of either K or Mg by oats (Figure 1, 2, and 3), was significantly decreased by increasing amounts of the other. While the availability of Ca was also important, its effect was less than either K or Mg.
 ^  Figure 1  ^  Figure 2  ^  Figure 3  |
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