Evaluation of spatial spreading of phyto-available sulphur and micronutrients in cultivated coastal soils.
Understanding the spatial spreading patterns of plant-available sulphur (S) (AS) and plant-available micronutrients (available zinc (AZn), available iron (AFe), available copper (ACu), available manganese (AMn) and available boron (AB)) in soils, especially in coastal agricultural soils subjected to...
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2021
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oai:doaj.org-article:75c3e5655e3e49e5b35bd727b91d5aaf2021-12-02T20:13:50ZEvaluation of spatial spreading of phyto-available sulphur and micronutrients in cultivated coastal soils.1932-620310.1371/journal.pone.0258166https://doaj.org/article/75c3e5655e3e49e5b35bd727b91d5aaf2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0258166https://doaj.org/toc/1932-6203Understanding the spatial spreading patterns of plant-available sulphur (S) (AS) and plant-available micronutrients (available zinc (AZn), available iron (AFe), available copper (ACu), available manganese (AMn) and available boron (AB)) in soils, especially in coastal agricultural soils subjected to various natural and anthropogenic activities, is vital for sustainable crop production by adopting site-specific nutrient management (SSNM) strategies. We studied the spatial distribution patterns of AS, AZn, AFe, ACu, AMn, and AB in cultivated soils of coastal districts of India using geostatistical approaches. Altogether 39,097 soil samples from surface (0 to 15 cm depth) layers were gathered from farm lands of 68 coastal districts. The analysis of soil samples was carried out for soil pH, electrical conductivity (EC), soil organic carbon (SOC) and AS, AZn, AFe, ACu, AMn, and AB. Soil pH, EC and SOC varied from 3.70 to 9.90, 0.01 to 7.45 dS m-1 and 0.02 to 3.74%, respectively. The concentrations of AS, AZn, AFe, ACu, AMn, and AB varied widely in the study area with their corresponding mean values were 37.4±29.4, 1.50±1.53, 27.9±35.1, 2.14±1.74, 16.9±18.4 and 1.34±1.52 mg kg-1, respectively. The coefficient of variation values of analyzed soil parameters varied from 14.6 to 126%. The concentrations of AS, AZn, AFe, ACu, AMn, and AB were negatively and significantly correlated with soil pH and positively and significantly correlated with SOC. The geostatistical analysis indicated stable, Gaussian and exponential best-fit semivariogram models with moderate to strong spatial dependence for available nutrients. The generated spatial spreading maps revealed different distribution patterns for AS, AZn, AFe, ACu, AMn, and AB. There were variations in spatial spreading patterns of AS, AZn, AFe, ACu, AMn, and AB in east- and west-coastal area. About 62, 35, 12, 0.4, 23 and 45% of the study area had deficiency of AS, AZn, AFe, ACu, AMn, and AB, respectively. The spatial spreading maps will be highly useful for SSNM in the cultivated coastal soils of the country. This study could also be used as a base for assessing spatial spreading patterns of soil parameters in cultivated coastal areas of other parts of the world.A K ShuklaS K BeheraR TripathiC PrakashA K NayakP Suresh KumarT ChitdeshwariDileep KumarR K NayakP Surendra BabuR N KatkarC T SubbarayappaK C MoharanaA K PatraCh SrinivasaraoS K ChaudhariA Subba RaoA K SinghSoumitra DasPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 10, p e0258166 (2021) |
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Medicine R Science Q |
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Medicine R Science Q A K Shukla S K Behera R Tripathi C Prakash A K Nayak P Suresh Kumar T Chitdeshwari Dileep Kumar R K Nayak P Surendra Babu R N Katkar C T Subbarayappa K C Moharana A K Patra Ch Srinivasarao S K Chaudhari A Subba Rao A K Singh Soumitra Das Evaluation of spatial spreading of phyto-available sulphur and micronutrients in cultivated coastal soils. |
| description |
Understanding the spatial spreading patterns of plant-available sulphur (S) (AS) and plant-available micronutrients (available zinc (AZn), available iron (AFe), available copper (ACu), available manganese (AMn) and available boron (AB)) in soils, especially in coastal agricultural soils subjected to various natural and anthropogenic activities, is vital for sustainable crop production by adopting site-specific nutrient management (SSNM) strategies. We studied the spatial distribution patterns of AS, AZn, AFe, ACu, AMn, and AB in cultivated soils of coastal districts of India using geostatistical approaches. Altogether 39,097 soil samples from surface (0 to 15 cm depth) layers were gathered from farm lands of 68 coastal districts. The analysis of soil samples was carried out for soil pH, electrical conductivity (EC), soil organic carbon (SOC) and AS, AZn, AFe, ACu, AMn, and AB. Soil pH, EC and SOC varied from 3.70 to 9.90, 0.01 to 7.45 dS m-1 and 0.02 to 3.74%, respectively. The concentrations of AS, AZn, AFe, ACu, AMn, and AB varied widely in the study area with their corresponding mean values were 37.4±29.4, 1.50±1.53, 27.9±35.1, 2.14±1.74, 16.9±18.4 and 1.34±1.52 mg kg-1, respectively. The coefficient of variation values of analyzed soil parameters varied from 14.6 to 126%. The concentrations of AS, AZn, AFe, ACu, AMn, and AB were negatively and significantly correlated with soil pH and positively and significantly correlated with SOC. The geostatistical analysis indicated stable, Gaussian and exponential best-fit semivariogram models with moderate to strong spatial dependence for available nutrients. The generated spatial spreading maps revealed different distribution patterns for AS, AZn, AFe, ACu, AMn, and AB. There were variations in spatial spreading patterns of AS, AZn, AFe, ACu, AMn, and AB in east- and west-coastal area. About 62, 35, 12, 0.4, 23 and 45% of the study area had deficiency of AS, AZn, AFe, ACu, AMn, and AB, respectively. The spatial spreading maps will be highly useful for SSNM in the cultivated coastal soils of the country. This study could also be used as a base for assessing spatial spreading patterns of soil parameters in cultivated coastal areas of other parts of the world. |
| format |
article |
| author |
A K Shukla S K Behera R Tripathi C Prakash A K Nayak P Suresh Kumar T Chitdeshwari Dileep Kumar R K Nayak P Surendra Babu R N Katkar C T Subbarayappa K C Moharana A K Patra Ch Srinivasarao S K Chaudhari A Subba Rao A K Singh Soumitra Das |
| author_facet |
A K Shukla S K Behera R Tripathi C Prakash A K Nayak P Suresh Kumar T Chitdeshwari Dileep Kumar R K Nayak P Surendra Babu R N Katkar C T Subbarayappa K C Moharana A K Patra Ch Srinivasarao S K Chaudhari A Subba Rao A K Singh Soumitra Das |
| author_sort |
A K Shukla |
| title |
Evaluation of spatial spreading of phyto-available sulphur and micronutrients in cultivated coastal soils. |
| title_short |
Evaluation of spatial spreading of phyto-available sulphur and micronutrients in cultivated coastal soils. |
| title_full |
Evaluation of spatial spreading of phyto-available sulphur and micronutrients in cultivated coastal soils. |
| title_fullStr |
Evaluation of spatial spreading of phyto-available sulphur and micronutrients in cultivated coastal soils. |
| title_full_unstemmed |
Evaluation of spatial spreading of phyto-available sulphur and micronutrients in cultivated coastal soils. |
| title_sort |
evaluation of spatial spreading of phyto-available sulphur and micronutrients in cultivated coastal soils. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2021 |
| url |
https://doaj.org/article/75c3e5655e3e49e5b35bd727b91d5aaf |
| work_keys_str_mv |
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