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Kaleeswari, R., Prabakaran, J., Latha, M., Mansour, M. (2012). INTEGRATED NUTRIENT MANAGEMENT (INM) FOR HYBRID MAIZE GROWN IN CALCAREOUS SOIL. Journal of Soil Sciences and Agricultural Engineering, 3(3), 327-334. doi: 10.21608/jssae.2012.53872
R.K. Kaleeswari; J. Prabakaran; M.R. Latha; M.M. Mansour. "INTEGRATED NUTRIENT MANAGEMENT (INM) FOR HYBRID MAIZE GROWN IN CALCAREOUS SOIL". Journal of Soil Sciences and Agricultural Engineering, 3, 3, 2012, 327-334. doi: 10.21608/jssae.2012.53872
Kaleeswari, R., Prabakaran, J., Latha, M., Mansour, M. (2012). 'INTEGRATED NUTRIENT MANAGEMENT (INM) FOR HYBRID MAIZE GROWN IN CALCAREOUS SOIL', Journal of Soil Sciences and Agricultural Engineering, 3(3), pp. 327-334. doi: 10.21608/jssae.2012.53872
Kaleeswari, R., Prabakaran, J., Latha, M., Mansour, M. INTEGRATED NUTRIENT MANAGEMENT (INM) FOR HYBRID MAIZE GROWN IN CALCAREOUS SOIL. Journal of Soil Sciences and Agricultural Engineering, 2012; 3(3): 327-334. doi: 10.21608/jssae.2012.53872

INTEGRATED NUTRIENT MANAGEMENT (INM) FOR HYBRID MAIZE GROWN IN CALCAREOUS SOIL

Article 4, Volume 3, Issue 3, March 2012, Page 327-334  XML PDF (363.44 K)
Document Type: Original Article
DOI: 10.21608/jssae.2012.53872
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Authors
R.K. Kaleeswari1; J. Prabakaran1; M.R. Latha1; M.M. Mansour2
1Dept. of Soil Sci. and Agric. Chemistry, Tamil Nadu Agric. Univ., Coimbatore, Tamil Nadu, India.
2Soils Dept., Fac. of Agric., Mansoura Univ., Mansoura, Egypt.
Abstract
Field experiments were conducted at Research Farm of Tamil Nadu Agricultural University, Coimbatore, India for a period of three years (2007-2009) to find out the effect of integrated nutrient management on productivity of hybrid maize. Conjunctive use of 100% NPK + 5 t ha-1 poultry manure recorded significantly highest grain and stover yields. Integration of 100% NPK with FYM and micronutrients viz., zinc and iron recorded higher yield than the treatment that received 100% NPK + poultry manure + ZnSO4 + FeSO4. The lowest yield of 5637 kg ha-1 was recorded in the treatment that received 100% NPK. The uptake of macronutrients by hybrid maize increased with increase in NPK levels. The organic carbon, available N and K status of soil improved due to the application of 100% NPK + 5 t ha-1 poultry manure while the available P status was increased with 75% NPK + 5 t ha-1 poultry manure. The highest benefit : cost ratio (2.52) was obtained with the application of 100% NPK + FYM + ZnSO4 + FeSO4.
Keywords
Integrated nutrient management (INM); NPK; Micronutrient; organic manures; Maize; Calcareous soil
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