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RESPONSE OF RABI MAIZE TO IRRIGATION SCHEDULES AND FERTIGATION LEVELS

V. Ramulu*, M.D. Reddy, A.M. Rao

Affiliations

¹College of Agriculture, Acharya N.G.Ranga Agricultural University, Rajendranagar, Hyderabad – 500 030, India

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Cite article:- Ramulu* V., Reddy M.D., Rao A.M. (2025). RESPONSE OF RABI MAIZE TO IRRIGATION SCHEDULES AND FERTIGATION LEVELS. Agricultural Science Digest. 30(2): 104 - 106. doi: .

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).

KEYWORDS

REFERENCES

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