volume 30 issue 2 (june 2010) : 104 - 106
RESPONSE OF RABI MAIZE TO IRRIGATION SCHEDULES AND FERTIGATION LEVELS
1College of Agriculture, Acharya N.G.Ranga Agricultural University,
Rajendranagar, Hyderabad – 500 030, India
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Agricultural Science Digest
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volume 30 issue 2 (june 2010) : 104 - 106
RESPONSE OF RABI MAIZE TO IRRIGATION SCHEDULES AND FERTIGATION LEVELS
1College of Agriculture, Acharya N.G.Ranga Agricultural University,
Rajendranagar, Hyderabad – 500 030, India
ABSTRACT
A field experiment was conducted during rabi 2007-08 cropping season The trial was laid
out in RBD with 3 replications. The treatment combinations consisted of irrigation schedules
and fertigation levels (8); irrigation scheduled at 1.0 and 0.75 Epan, fertilizer doses (100%
NPK RDF and 75% NPK RDF) and fertilizer forms (water soluble and straight fertilizers). The
grain yield was significantly higher (7.46 t/ha) in fertigation scheduled at 1.0 Epan and 100%
RDF with water soluble fertilizers (MAP, urea, KNO3) over fertigation at 1.0 Epan with 100%
RDF through conventional fertilizers (N&K fertigation and P as basal soil application). The
water productivity (kg/m3) was highest in fertigation at 1.0Epan (1.70 kg/ m3) with 100% RDF
with water soluble fertilizers (MAP, urea, KNO3 ) which was closely followed by fertigation at0.75
Epan (1.50 kg/ m3) coupled with 75% RDF with water soluble fertilizers (MAP, urea and KNO3 )
over conventional method of ridge and furrow irrigation with 100% RDF through conventional
fertilizers (0.74/ m3).
out in RBD with 3 replications. The treatment combinations consisted of irrigation schedules
and fertigation levels (8); irrigation scheduled at 1.0 and 0.75 Epan, fertilizer doses (100%
NPK RDF and 75% NPK RDF) and fertilizer forms (water soluble and straight fertilizers). The
grain yield was significantly higher (7.46 t/ha) in fertigation scheduled at 1.0 Epan and 100%
RDF with water soluble fertilizers (MAP, urea, KNO3) over fertigation at 1.0 Epan with 100%
RDF through conventional fertilizers (N&K fertigation and P as basal soil application). The
water productivity (kg/m3) was highest in fertigation at 1.0Epan (1.70 kg/ m3) with 100% RDF
with water soluble fertilizers (MAP, urea, KNO3 ) which was closely followed by fertigation at0.75
Epan (1.50 kg/ m3) coupled with 75% RDF with water soluble fertilizers (MAP, urea and KNO3 )
over conventional method of ridge and furrow irrigation with 100% RDF through conventional
fertilizers (0.74/ m3).
REFERENCES
- Dioudis, P. et al. (2003). In: Proc. Of the 9th Pan-Hellenic Conference of Greek
- Hydrotecgnic Union, 2 – 5 April, Thessalonica, pp.167-174.
- Dioudis, P. et al. ( 2009). Irrig. Drain. J. 58 (1):96-104.
- El-Hendawy S.E, et al. (2008). J. Agron. Crop Sci. 194:180-192.
- Mmolawa ,K.B. and Or, D. (2000). Plant and Soil. 222:163-190.
- Payero, J.O. et al . (2008). Agri. Water Mgmt. 95:895-908
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This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
In this Article
APC
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Published In
Agricultural Science Digest