{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T15:58:44Z","timestamp":1782316724627,"version":"3.54.5"},"reference-count":48,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"5","license":[{"start":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T00:00:00Z","timestamp":1772323200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T00:00:00Z","timestamp":1772323200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T00:00:00Z","timestamp":1772323200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100001843","name":"Science and Engineering Research Board (SERB), Department of Science and Technology (DST), Govt. of India","doi-asserted-by":"publisher","award":["SRG\/2023\/001571"],"award-info":[{"award-number":["SRG\/2023\/001571"]}],"id":[{"id":"10.13039\/501100001843","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Internet Things J."],"published-print":{"date-parts":[[2026,3,1]]},"DOI":"10.1109\/jiot.2025.3641571","type":"journal-article","created":{"date-parts":[[2025,12,8]],"date-time":"2025-12-08T18:41:57Z","timestamp":1765219317000},"page":"8686-8696","source":"Crossref","is-referenced-by-count":1,"title":["Embedded Machine Learning-Based IoT for In Situ Soil Fertility Estimation Utilizing Low-Cost Sensors"],"prefix":"10.1109","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-1591-1312","authenticated-orcid":false,"given":"Maitree","family":"Basu","sequence":"first","affiliation":[{"name":"Department of Electronics and Telecommunication Engineering, Jadavpur University, Kolkata, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4034-1956","authenticated-orcid":false,"given":"Asfak","family":"Ali","sequence":"additional","affiliation":[{"name":"Department of Electronics and Telecommunication Engineering, Jadavpur University, Kolkata, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bijoy C.","family":"Ghosh","sequence":"additional","affiliation":[{"name":"Department of Agricultural and Food Engineering, IIT Kharagpur, Kharagpur, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1271-3361","authenticated-orcid":false,"given":"Joydeep","family":"Basu","sequence":"additional","affiliation":[{"name":"Department of Electronics and Telecommunication Engineering, Jadavpur University, Kolkata, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"263","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202007764"},{"key":"ref2","volume-title":"Soil Testing Methods, Penn State College of Agricultural Sciences, USA","year":"2025"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/JSEN.2024.3396842"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/TIM.2022.3196446"},{"key":"ref5","article-title":"Practical manual\u2014Chemical analysis of soil and plant samples","author":"Singh","year":"2017"},{"key":"ref6","volume-title":"Rapitest 1835 Digital 3-Way Soil Analyzer, Luster Leaf Products, USA","year":"2025"},{"key":"ref7","volume-title":"UMN Soil Testing Laboratory","year":"2025"},{"key":"ref8","volume-title":"ICAR-Sasya Shyamala Krishi Vigyan Kendra","year":"2025"},{"key":"ref9","volume-title":"Soil Fertility Protocol","year":"2025"},{"key":"ref10","volume-title":"LaMotte 3-5880 N-P-K Soil Test Kit","year":"2025"},{"key":"ref11","volume-title":"Soil testing systems and methods thereof","author":"Williams","year":"2014"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.3389\/fchem.2022.848320"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/TIM.2023.3302898"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/TIM.2024.3390215"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/TIM.2023.3273653"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/JSEN.2023.3334243"},{"key":"ref17","volume-title":"MODBUS-RTU RS485 Soil NPK Measurement Sensor","year":"2025"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1038\/s43016-021-00416-4"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.3390\/s21113758"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/TCE.2024.3377906"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/TCE.2025.3572552"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1016\/j.aiia.2022.05.001"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/TIM.2022.3156179"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2023.3346299"},{"key":"ref25","volume-title":"SEN0114 Gravity: Analog Resistance Soil Moisture Sensor","year":"2025"},{"key":"ref26","volume-title":"101020614 Grove Capacitive Soil Moisture Sensor","year":"2025"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1016\/0022-1694(95)03003-4"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1016\/j.jhydrol.2008.01.021"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.3390\/s20123585"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.3390\/agronomy13082156"},{"key":"ref31","volume-title":"Using Soil Electrical Conductivity (EC) to Delineate Field Variation","author":"Hawkins","year":"2025"},{"issue":"3","key":"ref32","first-page":"18","article-title":"Paradigm shift in soil fertility ratings for sustainable crop production and environmental quality","volume":"70","author":"Rajendiran","year":"2020","journal-title":"Indian Farming"},{"key":"ref33","volume-title":"Nutrient Source Specifics","year":"2025"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-030-02925-8_21"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1007\/s00500-019-04094-0"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1613\/jair.953"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1002\/wics.1198"},{"key":"ref38","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4899-7641-3_10"},{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.17849\/insm-47-01-31-39.1"},{"key":"ref40","article-title":"Gradient boosted regression trees in scikit-learn","author":"Prettenhofer","year":"2014"},{"key":"ref41","doi-asserted-by":"publisher","DOI":"10.4310\/SII.2009.v2.n3.a8"},{"key":"ref42","doi-asserted-by":"publisher","DOI":"10.3233\/apc220027"},{"key":"ref43","first-page":"6639","article-title":"CatBoost: Unbiased boosting with categorical features","volume-title":"Proc. 32nd Int. Conf. Neural Inf. Process. Syst. (NeurIPS)","volume":"31","author":"Prokhorenkova"},{"key":"ref44","doi-asserted-by":"publisher","DOI":"10.1007\/s41870-022-00864-6"},{"key":"ref45","doi-asserted-by":"publisher","DOI":"10.1016\/j.patcog.2018.08.003"},{"key":"ref46","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-60801-3_27"},{"key":"ref47","doi-asserted-by":"publisher","DOI":"10.5555\/1248547.1248548"},{"key":"ref48","volume-title":"Raspberry Pi 4 Model-B Single-Board Computer","year":"2025"}],"container-title":["IEEE Internet of Things Journal"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx8\/6488907\/11404260\/11284876.pdf?arnumber=11284876","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,2,23]],"date-time":"2026-02-23T20:50:15Z","timestamp":1771879815000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/11284876\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,3,1]]},"references-count":48,"journal-issue":{"issue":"5"},"URL":"https:\/\/doi.org\/10.1109\/jiot.2025.3641571","relation":{},"ISSN":["2327-4662","2372-2541"],"issn-type":[{"value":"2327-4662","type":"electronic"},{"value":"2372-2541","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,3,1]]}}}