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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 April, 2024
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Language : English
DOI Prefix : 10.37322
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Vol. 9 (4) : July-August 2018 issue
Green Farming Vol. 9 (4) : 720-725 ; July-August, 2018
Yield, nutrient uptake and agronomic fertilizer use efficiency of paprika (Capsicum annuum L.) with different N and K drip fertigation levels
D. MOUNIKA1*,  M. UMA DEVI2,  V. PRAVEEN RAO3,  K. AVIL KUMAR4  and  B. NEERAJA PRABAKAR5
Water Technology Centre, College of Agriculture, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad - 500 030 (Telangana)
Designation :  
1P.G. Student (Agronomy)  *(dmounika358@gmail.com),  2Director & Principal Scientist (SS&AC),  3Professor (Agronomy) & Vice-Chancellor,  4Principal Scientist, Water Technology Centre, (WTC),  5Principal Scientist (Horticulture)
Subject : Water and Natural Resource Management, Water Conservation Engg., Water Harvesting, Farm Pond, Sewage Water, Irrigation
Paper No. : P-7242
Total Pages : 6
Received : 30 April 2018
Revised accepted : 18 July 2018
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Citation :

D. MOUNIKA, M. UMA DEVI, V. PRAVEEN RAO, K. AVIL KUMAR and B. NEERAJA PRABAKAR. 2018. Yield, nutrient uptake and agronomic fertilizer use efficiency of paprika (Capsicum annum L.) with different N and K drip fertigation levels. Green Farming  Vol. 9 (4) : 720-725 ; July-August, 2018

ABSTRACT
A field experiment was conducted at Water Technology Centre, College farm, Rajendranagar, Hyderabad during rabi, 2014-15 to study the “Paprika (Capsicum annuum.L) response to fertigation levels of nitrogen and potassium”. The experiment was conducted with variety Agnirekha in a Randomized block design with three replications. The treatments were eleven, viz., soil application of 100 % N and K2O with drip irrigation (T1) and with furrow irrigation (T2); drip fertigation of 75% N+75%,100 % and 125 % K2O (T3, T4, T5, respectively); drip fertigation of 100% N +75%, 100% and 125% K2O (T6, T7, T8 respectively); drip fertigation of 125% N+75%, 100% and 125% K2O (T9,T10,T11 respectively). The 100% N and K levels were 250 N and 150 K2O, kg ha-1. Basal dose of 100 kg P2O5 ha-1 through single super phosphate was applied to all the treatments by soil application. N and K fertilizers for T1 and T2 were applied to soil in three equal splits at 10, 35 and 60 DAT and N and K fertigation was in 38 splits through urea and potassium nitrate. Drip irrigation was scheduled (T1 to T11, except T2) once in 2 days based on daily data of USWB class 'A' pan evaporimeter and furrow irrigation (T2) was at 1.0 IW/CPE ratio with 60 mm irrigation depth in furrows in between paired rows ( 80 cm/40 cm). The amount of total irrigation water applied was 6381 m3 and 7483 m3 in drip irrigation and furrow irrigation treatments respectively. The data on total fresh fruit yield (six pickings) (kg ha-1), uptakes of N, P and K at different growth stages were recorded. Along with that agronomic Fertilizer Use Efficiency (FUE) was calculated.
Key words :
Drip fertigation, Effective rainfall, Fertilizer use efficiency, Nutrient uptake, Pan evaporimeter, Paprika.