GROWTH AND YIELD OF CHICKPEA AS INFLUENCED BY NPK FERTILIZERS AND IRRIGATION FREQUENCY

Abstract

A field experiment was conducted at the Sher-e-Bangla Agricultural University Farm Dhaka, Bangladesh during November, 2017 to March, 2018 in rabi season with a view to study the growth and yield of chickpea as influenced by NPK fertilizers and irrigation frequency. The experiment was carried out in split plot design with three replication. The treatments consisted of NPK fertilizers treatments at main plot factor A as F 1 = 25 % less than recommended dose of fertilizer, F 2 = Recommended dose of fertilizer (45kg urea ha + 85 kg TSP ha -1 + 35 kg MP ha -1 ), F 3 =25 % more than recommended dose of fertilizer . In factor B at sub plot there were four levels as I 0 = No irrigation, I 1 =Single irrigation at vegetative stage, I 2 = Single irrigation at reproductive stage, I 3 = Irrigation both at vegetative and reproductive stages. Data on different parameters on yield and yield contributing characters were recorded and variation was observed. Results indicated that the maximum height of plant 12.06 cm, 22.02 cm and 35.66 cm from F 3 treatment at 30, 60, and 90 DAS respectively. maximum number of branches plant -1 -1 3.64 at 30 DAS from I 2 and I 3 irrigation frequency respectively, similarly 6.24, 9.19 at 60 and 90 DAS respectively from I 2 irrigation frequency, maximum pods plant (29.02), maximum seed yield (0.87 t ha -1 -1 ) ,HI% (31.46) were obtained from treatment F 2

fertilization . On the other hand, maximum values for plant height (12.85, 23.20, 36. 33 cm at 30, 60, 90 DAS respectively) were found from treatment I 2

irrigation. seed yield (0.94 t/ha) and HI% (32.07) was obtained from treatment I 2

irrigation frequency. The highest value of plant height were observed (13.79 at 30 DAS) from treatment combination I 3 F 3 and (24.5, 38.59 at 60, 90 DAS respectively) from treatment combination I 3 F 3 . Highest value for number of branches plant -1 (4.27 at 30 DAS) from treatment combination I 2 10.95 at 60 .90 DAS respectively) from treatment combination I 2 . Maximum seed yield (1.12 t ha -1 ) from I 2 F 2 and maximum HI% was obtained 34.19 from I 2 F 2 .

F 2 F 2 and (7.22,