Fertility Status of Soils and Improved Crop Productivity through Balanced Nutrition in Rainfed Watershed of India - a GIS based Study

Fertility Status of Soils and Improved Crop Productivity through Balanced Nutrition in Rainfed Watershed of India - a GIS based Study



Sarika P. Karda, Gauri M. Rane



Rain-fed agriculture productivity is crucial for food
security and economy of the state. To characterize the fertility status
of soils under dry-land agriculture in the semi-arid regions, 110 soil
samples were collected from Nagulapally-Konapur Model Watershed area in
Medak district of Telangana to diagnose the deficiencies of
macronutrients like Potassium, Sodium and Sulphur and micronutrients
like Boron and Zinc. A summary of the chemical analysis of soil samples
covering the watershed area showed that the farmer’s fields sampled had a
wide range in pH and EC and they were low-to-moderate in organic
carbon, generally adequate in exchangeable potassium and sodium.
However, the most revealing results on soil chemical analysis were the
widespread deficiencies of levels of extractable phosphorous (P),
sulphur (S), boron (B) and zinc (Zn) in the samples. GIS mapping of the
estimated fertility parameters was carried out using Arc GIS software to
understand the occurrence of deficiencies of micronutrients over the
watershed area under study. On-farm participatory trials were conducted
for selected rainfed crops to study the impact of balanced nutrition
(BN) on crop productivity over farmers practise (FP). 



10.22161/ijeab/1.4.61



http://ijeab.com/upload_document/issue_files/61%20IJEAB-DEC-2016-55-Fertility%20Status%20of%20Soils%20and%20Improved%20Crop%20Productivity%20through%20Balanced%20Nutrition%20in%20Rainfed%20Watershed%20of%20India%20-%20a%20GIS%20based%20Study.pdf



http://ijeab.com/submit-paper/

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