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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue May 2015, 36 (3)                                     Back


nstantaneous and historical temperature effects on a-pinene

Identification of integrated nutrient management for sustaining soil health and sugarcane yield in South Western Punjab 

 

Kuldeep Singh1*, O.P. Choudhary2, Kulvir Singh1, Harmandeep Singh1, Satnam Singh1 and R.S. Singh1

1Punjab Agricultural University, Regional Station, Faridkot-151 203, India

2Department of Soil Science, Punjab Agricultural University, Ludhiana-141 004, India

*Corresponding Author?s Email : kuldeep@pau.edu

 

 

 

 

 Publication Data

Paper received:

29 August 2013

 

Revised received:

31 March 2014

 

Accepted:

03 July 2014

 

Abstract

A field study was conducted from 2006-2010 for three plant - ratoon cycles of sugarcane at Punjab Agricultural University, Regional Station, Faridkot to explore the possibilities of incorporating organic components of nutrients in sugarcane cultivation. The recommended nitrogen (Rd N) for plant and ratoon crop of sugarcane was 150 kg ha-1 and 225 kg ha-1, respectively. Nitrogen was applied as organic (FYM) and inorganic (urea) in various proportions. In addition to urea and FYM, biofertilizer (Azotobacter and PSB) and trash mulching was applied and green manuring of green gram (Phaseolus radiata) was done in various treatments. The pest control was also done by chemicals or by cultural practices. The pooled results for three years indicated that in plant crop, the cane yield of 80.4 t ha-1 was obtained when recommended dose of N was given as urea and pests were controlled chemically. This was significantly higher than all other treatments, except 76.9 t ha-1 yield obtained when 25% of Rd N was applied from FYM + Biofertilizer + 75% of Rd N from Urea + pest control by cultural mode. In ratoon crop, cane yield (72.6 t ha-1) was recorded with 100% Rd N from urea + trash burning + chemical pest control, which was at par other combinations of N supply. Replacing 25% N by FYM showed good performance in plant-ratoon system indicating possibilities of saving 25% nitrogen fertilizers without affecting yield levels of sugarcane.   

 

 

 Key words

FYM, Green Manuring, Sugarcane, Trash mulching, Urea

 

 

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