Table 3. Effect of K supply on external K requirement (g external K to produce 1 kg of DM) for safflower and sunflower. For a given species and a given soil type, means within each column followed by the same capital letter are not significantly different, means in the same soil type and the same K level and different plant species followed by the same small letter are not significantly different, * indicates significant difference for a given plant species and a given P level within soil types. P< 0.05, n=3

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Potassium Use Efficiency of Safflower and Sunflower Grown in Different Soils

Jehad Abbadi

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