SOIL FERTILITY MAPPING OF ARECANUT GROWING AREAS IN SIRSI HOBLI OF UTTARA KANNADA
| dc.contributor.advisor | METI, SHANKAR. | |
| dc.contributor.author | TEENA | |
| dc.contributor.other | M. S., NAGARAJA | |
| dc.contributor.other | H., YOGEESHAPPA | |
| dc.contributor.other | HADIMANI, H. P. | |
| dc.contributor.other | V., SHREEPAD | |
| dc.date.accessioned | 2023-05-17T06:16:14Z | |
| dc.date.available | 2023-05-17T06:16:14Z | |
| dc.date.issued | 2021-12 | |
| dc.description.abstract | Sirsi taluk is having highest area in traditional arecanut growing belt but low productivity is a serious concern which may be due to sustained nutrient requirement and low nutrient use efficiency. So there was a need to assess soil fertility status of arecanut holdings, understand the effect of geomorphological parameters like elevation, slope and aspect and assess soil organic carbon stock to know the soil health of arecanut holdings. Geo-referenced 150 surface soil samples were collected from arecanut gardens of 42 villages of Sirsi hobli, Uttara Kannada district, Karnataka and were analysed for soil chemical parameters. The fertility status revealed that the soils were slightly acidic to neutral in soil reaction, non-saline and high in organic carbon content. The macro nutrient availability showed low available N (100%), medium in available P (74%) and available K (99%) and sufficient in exchangeable Ca and Mg and medium to high in available S (56% and 94% respectively). With regards to micronutrients, the soils were deficient in Zn (28%) and sufficient in all other micronutrients viz., available Fe, Cu and Mn. Geodatabase was created and thematic maps for all the parameters were prepared using QGIS 3.8 software. Soil organic carbon stock ranged from 20.23-190.34 tones/ha. Topography parameters like elevation, slope and aspect did not show significant effect on properties of arecanut growing soils in Sirsi hobli. Among all the nutrient parameters, EC, organic carbon, available N, Zn and Fe showed significant spatial autocorrelation as indicated by Moran’s index. By overlaying all the nutrient maps, management zone map or constraint map was prepared, which indicated that the overall study area was poor in available N and deficient in available Zn. Hence, there is a need to manage nitrogen and zinc to sustain the arecanut yield | en_US |
| dc.identifier.other | UHS19PGM1226 | |
| dc.identifier.uri | https://krishikosh.egranth.ac.in/handle/1/5810197334 | |
| dc.keywords | Horticulture, Agril. Chemistry, Soil fertility, Mapping, Arecanut, Geomorphological, Zinc, Nitrogen, Topography, Geodatabase, Micronutrients, Organic Carbon, Soil Samples, Saline, Chemical, Moran’s Index, UHS19PGM1226. | en_US |
| dc.language.iso | English | en_US |
| dc.pages | 113p. (Due to pdf. conversion there is a difference in pages of soft copy and hard copy). | en_US |
| dc.publisher | University of Horticultural Sciences Bagalkot. (College of Horticulture, Bagalkot). | en_US |
| dc.sub | Soil Science and Agriculture Chemistry | en_US |
| dc.theme | SOIL FERTILITY MAPPING OF ARECANUT GROWING AREAS IN SIRSI HOBLI OF UTTARA KANNADA | en_US |
| dc.these.type | M.Sc | en_US |
| dc.title | SOIL FERTILITY MAPPING OF ARECANUT GROWING AREAS IN SIRSI HOBLI OF UTTARA KANNADA | en_US |
| dc.type | Thesis | en_US |