Effect of Integrated Nutrient Management on Yield of Maize (Zea mays L.)

Effect of Integrated Nutrient Management on Yield of Maize (Zea mays L.)



Dr.Ratan Lal Solanki, Smt Deepa Indoriya



The basic concept underlying the principles of
integrated nutrient management (INM) is the maintenance and improvement
of soil fertility for sustaining crop productivity (both quantity and
quality wise). The study was carried out during Kharif season of 2013-14
and 2014-15 in two villages across two blocks (Nibaheda and Gangrar) of
Chittorgarh district of Rajasthan. In all 30 integrated nutrient
management front line demonstrations on maize crop were carried out in
an area of 6.0 ha with the active participation of farmers with the
objective to demonstrate the latest technology of maize production
potential, technological and extension gap, technology index and
economic benefit of improved technologies consisting suitable maize
varieties Bio 9681 and Prable integrated nutrient management
(90:30:30:25 NPK & ZnSO4 kg ha-1 + Azotobacter + PSB @ 20gkg-1 seed)
+ seed treatment with Trichoderma viride @ 5gkg-1 seed) at Nibaheda and
Gangrar blocks of Chittorgarh district during 2013-14 and 2014-15. The
results revealed that INM FLD recorded higher yield as compared to
farmers’ practices over the years of study. The improved technologies
recorded average yield of 43.71 q ha-1 which was 24.20 per cent higher
than that obtained with farmer’s practices of 35.18 q ha-1. In spite of
increase in yield of maize, technological gap, extension gap and
technology index existed which was 6.29, 8.53 q ha-1 and 12.58 per cent,
respectively. The extension gap can be bridged by popularizing package
of practices where in stress need to be laid on improved variety, use of
proper seed rate, balanced nutrient application and proper plant
protection measures. Improved technologies gave higher net return of Rs.
31221 ha-1 with benefit cost ratio 2.47 as compared to local check (Rs.
22886 ha-1, benefit cost ratio 2.19). 



10.22161/ijeab/1.4.28



http://ijeab.com/upload_document/issue_files/28%20IJEAB-NOV-2016-46-Effect%20of%20Integrated%20Nutrient%20Management%20on%20Yield%20of%20Maize%20(Zea%20mays%20L.).pdf



ijeab.com/submit-paper/

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