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1. ACHARYA N. G. RANGA AGRICULTURAL UNIVERSITY AGRICULTURAL COLLEGE, BAPATLA TITLE OF RESEARCH WORK GENERATION OF SOIL FERTILITY MAPS OF MODUKURU VILLAGE OF TSUNDUR MANDAL IN GUNTUR DISTRICT USING GEOSPATIAL TOOLS PRESENTED BY D. V. V. MALLESWARA RAO BAM/ 2023-53 DEPARTMENT OF SOIL SCIENCE 1

2. 2 ADVISORY COMMITTEE ADVISORY COMMITTEE NAME DESIGNATION MAJOR FIELD Chairperson Dr. A. J. SUVARNA LATHA Associate Professor Agricultural college Bapatla - 522101 Soil Science Member Dr. P. MOHANA RAO Assistant professor Agricultural college Bapatla - 522101 Soil Science Member Dr. M. SUNIL KUMAR Senior Scientist GTC, RARS Lam Farm Guntur – 522034 Agronomy

3. OBJECTIVES OF INVESTIGATION 1. To study the physical, physicochemical properties of soils in study area 2. To estimate soil fertility status with respect macronutrients (N, P 2 O 5 , K 2 O, Ca, Mg, and S) and micronutrients (Fe, Zn, Cu, Mn) of study area 3. To generate soil fertility maps in study area 3

4. TECHNICAL PROGRAMME OF WORK 4 LOCATION OF WORK : Modukuru village of Tsundur mandal, Guntur district in Andhra Pradesh. In Modukuru village of Guntur district, around 200 surface soil samples (0-15 cm depth) will be collected using GPS technology. The collection process will cover Grid sampling technique. Subsequently, these samples will undergo comprehensive analysis to assess their physical, physico -chemical and chemical properties. Based on the nutrient status derived from the analysis, GIS technology will be utilized to generate soil fertility maps.

5. DATA TO BE COLLECTED 5 I) Preparation of base maps: Topographic maps, shape files of the study area will be collected to prepare base map of Modukuru village for survey. II) Analysis of soil samples for various parameters: a) Physical properties Soil color, Soil texture, Water holding capacity and Aggregate stability. b) Physico -chemical properties pH, Electrical conductivity and Organic carbon. c) Chemical properties Available N, P 2 O 5 , K 2 O, Ca, Mg, S and micronutrients viz ., Cu, Zn, Fe and Mn. III) Generation of thematic maps Generation of nutrient status-based soil fertility maps using Geo spatial techniques.

6. WORK DONE Shape file of Modukuru village is generated by using Q- GIS Software. After the generation shape file Grid sampling tool is used to generate Grid map with interval of 300 m in Modukuru Village. A preliminary survey is conducted, whether the generated grid points in the Selected area was matched with Grid point map. During this survey, I found that majority of the Selected area having Black soils and the crops grown in that area were Paddy, Black gram, Green gram, Maize and Sorghum. 6

7. MODUKURU VILLAGE IN GOOGLE EARTH MAP 7

8. 7 SHAPE FILE OF THE MODUKURU VILLAGE IS GENERATED BY USING Q-GIS SOFTWARE

9. 9 GRID POINTS GENERATION IN Q-GIS SOFTWARE

10. 10 GRID POINTS VIEW IN GOOGLE EARTH WHEN KML FORMAT FILE UPLOADED

11. WORK TO BE DONE Analysis of soil samples for physical, physico -chemical and chemical parameters. Generation of nutrient status - based soil fertility maps using Geospatial techniques. 11

12. THANK YOU 12