Response of Potassium to Growth and Yield of Pearlmillet (ICTP 8203) in Vertisol
Periodic Research (P: ISSN No. 2231-0045
RNI No. UPBIL/2012/55438 VOL.-III, ISSUE-II, November-2014 E: ISSN No.
2349-9435)
Abstract
Scholar, Deptt. of Agronomy, Dr. P.D.K.V. Akola.
M.R. Deshmukh
Assistant Professor, Deptt. of Agronomy, Dr. P.D.K.V. Akola.
P.P. Kurhade
Scholar, Deptt. of Agronomy, Dr. P.D.K.V. Akola.
B.D. Ade
Scholar, Deptt. of Agronomy, Dr. P.D.K.V. Akola.
N.N. Tambile
Scholar, Deptt. of Agronomy, Dr. P.D.K.V. Akola.
S.N. Sable
Scholar, Deptt. of Agronomy, Dr. P.D.K.V. Akola.
A field experiment was conducted during the kharif season of 2013-2014 in Vertisols of rainfed areas of central India to study the effect of application of graded doses of potassium (15, 30 and 45 kg K2O ha-1) on growth and yield of pearlmillet (Pennisetum glaucum (L.) R. Br.). Five treatments of different levels of potassium were tested in Vertisols possessing available potassium level up to 340.3 kg ha-1. Application of 60:30:00 kg NPK ha-1+45 kg K2O ha-1 recorded the maximum plant height, number of functional leaves, leaf area, girth of main stem and dry matter accumulation with highest values of yield attributes viz., number of effective tillers plant-1, number of earhead plant-1, mean length of earhead, circumference of earhead, weight of earhead g plant-1, weight of grains g plant-1 and test weight. Similarly, it enhanced the pealmillet grain and stover yield to an extent of 1690 and 3591 kg ha-1.
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