Author(s):

A Solaimalai, R Kannan and E Murugan

Abstract: Field experiments were carried out at Cotton Research Station, Srivilliputtur during Summer, 2013 and 2014 to study the effect of soil and foliar fertilization of potassium on growth characters, yield attributes, yield and economics of summer irrigated cotton. The result revealed that four equal split application of potassium (30 kg/ha) has registered higher plant height, sympodial branches per, bolls per plant, seed cotton yield of (1846 and 1861 kg/ha) and stalk yield. This treatment was followed by 3 spray of 3 % KNO₃spray which has recorded (1706 and 1720kg/ha). Lowest kapas yield (1406 and 1462 kg/ha) and stalk yield were obtained under four spraying of 3 % KNO₃treatment.

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