Artículos
Combined spray of potassium nitrate and boron in cotton gave the greatest yield increase with 13%
The yield response in cotton to foliar K was obtained in three experiments which included various K sources, pH buffering of the K solution, and the addition of boron to the soil or the foliar K sprays. Out of the four K sources tested, KNO3 gave the greatest yield increase with 13% compared to the control, while other K sources showed yield increases of 8 to 9% with four applications of 4,1 kg K/ha.
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