Author(s):

Honnappa HM, GR Denesh, Lokesh Patil and Hamsa N

Abstract: A field experiment was conducted during kharif 2014, College of Agriculture, VC Farm, Mandya in red sandy loam soil. The experiment was laid out in RCBD with ten treatments and replicated thrice. The treatments comprised of two paired rows under drip viz., 30/60 and 30/90 cm with two irrigation levels (80 and 100 per cent CPE) along with two fertilizer combinations viz., conventional fertilizer nitrogen (Urea), potassium (MOP) fertigation with water soluble phosphorus (MAP) or soil application of phosphorus (SSP). The results revealed that paired row planting of maize (NAH-1137) at 30/90 cm with irrigation at 80 or 100 per cent CPE and conventional fertilizer nitrogen, potassium fertigation and soil applied or water soluble phosphorus recorded significantly higher growth parameters, yield parameters and kernel (7505 to 7732 kg ha^-1) yield of maize over planting of maize at 45 or 60 cm row spacing with furrow irrigation and conventional fertilizer application. Similarly, the former treatments recorded higher total nutrient uptake at harvest, NUE and WUE and also B:C ratio (2.34 to 2.77). However, paired row planting of maize at 30/60 cm with similar drip fertigation recorded significantly lower values for above parameters.

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