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University of Agricultural Sciences, Dharwad (2011)

Use of Statistical Tools in Organic Farming Practices in Northern Zones of Karnataka

Manjunatha G.R.

Titre : Use of Statistical Tools in Organic Farming Practices in Northern Zones of Karnataka

Auteur : Manjunatha G.R.

Université de soutenance : University of Agricultural Sciences, Dharwad

Grade : Master of Science in Agricultural Statistics 2011

Résumé
The study was attempted to estimate the crop preferences under organic farming, to asses the effect of number of years of organic farming practices and to test the efficacy of organic farming on crop productivity. Multistage purposive random sampling was employed for the selection of sample respondents. Wherein three zones viz, Hilly zone, Northern Transitional zones and northern dry zones were selected from Northern Karnataka. From each zones one district viz., Uttar Kannada, Dharwad and Bijapur were selected based on the maximum area under organic farming. From each district one taluk and two villages were chosen. The total sample size of 150 comprising 75 each of organic and inorganic farmers was chosen. Organic soil sample of about 27 were collected from respective zones. Optimal scaling technique, ANOVA technique and Regression models were employed for analysis of data. The results of correspondence analysis revealed a stronger association between crops and zones and organic farming practices and selected zones. While ANOVA technique signaled a significant influence of years of farming and zonal organic practices on various soil indicators viz., organic carbon, nitrogen, phosphorus and potassium. Exponential growth in productivity level was observed over the period of practicing organic farming in selected zones. The significant difference was noticed on yield levels of performing organic and inorganic farming for different crops in selected zones of Karnataka.

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