+ Site Statistics
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on Google+Follow on Google+
Follow on LinkedInFollow on LinkedIn

+ Translate

Laboratory evaluation of the ion selective electrode for use in an automated soil nitrate monitoring system

Communications in Soil Science & Plant Analysis 25(17-18): 3025-3034
Laboratory evaluation of the ion selective electrode for use in an automated soil nitrate monitoring system
Environmental pollution partly caused by excessive use of nitrogen fertilizer is focusing the attention of the agricultural industry towards prescription farming. It has been suggested that fertilizer application rates should be varied in response to the in situ nutrient concentrations of the soil. The time consuming nature of present methods of soil nitrate testing limits their suitability for in situ use. The nitrate ion-selective electrode was tested in the lab for its suitability for use in an automated soil nitrate monitoring system. Tests were conducted to evaluate the parameters of soil:extractant ratio, extract clarity, and electrode response time. Results indicate that with proper calibration, the electrode is suitable for in situ measurement of soil nitrate concentration and reliable readings may be obtained in less than four seconds.

Accession: 002646602

Related references

On-farm monitoring of soil and crop nitrogen status by nitrate-selective electrode. Communications in Soil Science & Plant Analysis 24(19-20): 2607-2615, 1993

Flow injection analysis of nitrate in soil extracts evaluation of a nitrate selective flow electrode method. Soil Science Society of America Journal 45(2): 446-448, 1981

Development of an automated on-the-go soil nitrate monitoring system. Applied engineering in agriculture 15(4): 351-356, 1999

Nitrate determination in soil using a nitrate selective electrode. Tidsskrift for Planteavl 79(4): 495-508, 1975

Automatic continuous river monitoring of nitrate using a novel ion-selective electrode. Journal of Environmental Monitoring 5(2): 353-358, 2003

Use of a selective ion electrode for determination of nitrate in soil. Analyt. Lett, 1: 837-844, 1968

Automated field monitoring of soil nitrate levels. Automated agriculture for the 21st century Proceedings of a conference held in Chicago, Illinois, USA, 16-17 December 1991: 326-335, 1991

Inapplicability of a nitrate ion selective electrode for routine monitoring of water back pumped into lake okeechobee florida usa. Florida Scientist 47(SUPPL 1): 33, 1984

Modified procedure for bromide estimation with ion-selective electrode for predicting nitrate movement in soil. Current Science (Bangalore) 67(7): 545-546, 1994

Continuous-flow determination of nitrate in rain water using a nitrate ion-selective polymeric membrane electrode based on bis -copper nitrate. Memoirs of the Faculty of Education Shiga University Natural Science (Otus) 0(46): 1-8, 1996