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International Journal of Applied Agricultural & Horticultural Sciences
  • 26 April, 2024
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Vol. 8 (3) : May-June 2017 issue
Green Farming Vol. 8 (3) : 612-616 ; May-June, 2017
Influence of different levels of irrigation and fertigation on nutrient content of maize
VENKATA SHIVA REDDY J.S.a1*, KRISHNA MURTHY R.a2 and PUSHPA K.b3
aDepartment of Soil Science and Agricultural Chemistry, AICRP on Dryland Agriculture, University of Agricultural Sciences, GKVK, Bengaluru - 560 065 (Karnataka)
bDepartment of Agronomy, College of Agriculture, V.C. Farm, Mandya – 571 405 (Karnataka)
Designation :  
1P.G. Student *(venkatareddy150@gmail.com), 2Associate Professor, 3Asstt. Professor
Subject : Soil Science & Agric. Chemistry; Soil Health & Soil Conservation Engg.
Paper No. : P-6073
Total Pages : 5
Received : 26 October 2016
Revised accepted : 04 March 2017
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Citation :

VENKATA SHIVA REDDY J.S., KRISHNA MURTHY R. and PUSHPA K. 2017. Influence of different levels of irrigation and fertigation on nutrient content of maize. Green Farming Vol. 8 (3) : 612-616 ; May-June, 2017

ABSTRACT
In India, about 50 to 55 per cent of the total maize production is consumed as food, 30 to 35 per cent goes for poultry, piggery and fish meal industry. Hence, an attempt was made to increase nutrient content of maize conducting an experiment on influence of drip fertigation on nutrient content in maize. Among different levels of irrigation and drip fertigation, at 30, 60 and 90 DAS significantly higher nitrogen content (1.40, 1.95, and 1.34 % respectively), phosphorus content (0.30, 0.53, and 0.33 % respectively) and potassium content (1.46, 2.00 and 1.43 % respectively) were observed in irrigation @ 100 % CPE + DF 125 % RDF. Statistically significant nitrogen, phosphorus and potassium content in kernel (1.87, 0.44 and 0.85 %, respectively) and stover (0.72, 0.22 and 1.34 % respectively) was recorded under irrigation @100 % CPE + DF 125 % RDF. At 30, 60 and 90 DAS significantly higher calcium content (1.61, 0.78 and 0.60 % respectively), magnesium content (0.56, 0.55 and 0.40 % respectively) and sulphur content (0.19, 0.29 and 0.23 % respectively) were observed in irrigation @ 100 % CPE + DF 125 % RDF. Statistically significant calcium, magnesium and sulphur content in kernel (0.47, 0.30 and 0.27 % respectively) and stover (0.31, 0.20 and 0.11 % respectively) was recorded under irrigation @100 % CPE + DF 125 % RDF. Significantly higher Mn, Fe, Cu, Zn and B content in kernel (9.55, 11.90, 2.78, 25.23 and 12.56 ppm respectively) and stover (17.62, 53.55, 5.12, 7.87 and 10.23 ppm respectively) was recorded in irrigation @100 % CPE + DF 125 % RDF.
Key words :
Available nutrient contents, Cumulative pan evaporation, Drip fertigation, Irrigation levels, Maize.