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Effect of soil potassium level on cotton leaf photosynthesis, potassium concentration and sugar content of field-grown cotton



Effect of soil potassium level on cotton leaf photosynthesis, potassium concentration and sugar content of field-grown cotton



Special Report Agricultural Experiment Station, Division of Agriculture, University of Arkansas ( 162): 180-183



In field experiments at Marianna, Arkansas on long term K fertilizer plots in 1992, cotton lint yield was highest where K was applied annually at 30 lb K/acre. The 0-6 inch soil layer had the highest K content with 90 lb K/acre and the 7-12 inch layer with no K application. The highest leaf and petiole concentrations of K and photosynthetic rates were observed with 90 lb K/acre.

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Accession: 002604588

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