References

Andersen, A., B. Hoffmann, W. Muller and A. Griffiths, 2002. Using ants as bioindicators in land management: Simplifying assessment of ant community responses. J. Applied Ecol., 39: 8-17.
CrossRef  |  Direct Link  |  

Anonymous, 2016. [Livestock manure electronic transfer management system is required to be phased from next year]. The Economic Times, South Korea. (In Korean) http://www.etnews.com/20160621000245

Anonymous, 2017. [Pig manure electronic transfer system expanded nationwide]. Korea Development Institute, South Korea. (In Korean) https://www.kdi.re.kr/policy/publication_view.jsp?idx=161682&pp=10&code=AL15&pg=10

Arias-Estevez, M., E. Lopez-Periago, E. Martinez-Carballo, J. Simal-Gandara, J.C. Mejuto and L. Garcia-Rio, 2008. The mobility and degradation of pesticides in soils and the pollution of groundwater resources. Agric. Ecosyst. Environ., 123: 247-260.
CrossRef  |  Direct Link  |  

Ashraf, A., M. Akram and M. Sarwar, 2014. Fuzzy decision support system for fertilizer. Neural Comput. Appl., 25: 1495-1505.
CrossRef  |  Direct Link  |  

Azadeh, A., M. Saberi and A. Gitiforouz, 2013. An integrated fuzzy mathematical model and principal component analysis algorithm for forecasting uncertain trends of electricity consumption. Qual. Quant., 47: 2163-2176.
CrossRef  |  Direct Link  |  

Eulenstein, F., M. Tauschke, M. Lana, A.K. Sheudshen and R. Dannowski et al., 2014. Nutrient Balances in Agriculture: A Basis for the Efficiency Survey of Agricultural Groundwater Conservation Measures. In: Novel Measurement and Assessment Tools for Monitoring and Management of Land and Water Resources in Agricultural Landscapes of Central Asia, Lischeid, G., L. Mueller and A. Saparov (Eds.). Springer, Berlin, Germany, ISBN:978-3-319-01016-8, pp: 263-273.

Fageria, V.D., 2001. Nutrient interactions in crop plants. J. Plant Nutr., 24: 1269-1290.
CrossRef  |  Direct Link  |  

Habib, S., M. Akram and A. Ashraf, 2017. Fuzzy climate decision support systems for tomatoes in high tunnels. Intl. J. Fuzzy Syst., 19: 751-775.
Direct Link  |  

Hebbar, S.S., B.K. Ramachandrappa, H.V. Nanjappa and M. Prabhakar, 2004. Studies on NPK drip fertigation in field grown tomato Lycopersicon esculentum Mill. Eur. J. Agron., 21: 117-127.

Jonasson, S., A. Michelsen, I.K. Schmidt, E.V. Nielsen and T.V. Callaghan, 1996. Microbial biomass C, N and P in two arctic soils and responses to addition of NPK fertilizer and sugar: Implications for plant nutrient uptake. Oecologia, 106: 507-515.
CrossRef  |  PubMed  |  Direct Link  |  

Kolomaznik, K., M. Adamek, I. Andel and M. Uhlirova, 2008. Leather waste-potential threat to human health and a new technology of its treatment. J. Hazard. Mater., 160: 514-520.
CrossRef  |  PubMed  |  Direct Link  |  

Prabakaran, G., D. Vaithiyanathan and M. Ganesan, 2018. Fuzzy decision support system for improving the crop productivity and efficient use of fertilizers. Comput. Electron. Agric., 150: 88-97.
CrossRef  |  Direct Link  |  

Sempere, J., R. Nomen, R. Serra and J. Soravilla, 2002. The NPK method: An innovative approach for kinetic analysis of data from thermal analysis and calorimetry. Thermochim. Acta, 388: 407-414.
CrossRef  |  Direct Link  |  

Surendra, K.C., D. Takara, A.G. Hashimoto and S.K. Khanal, 2014. Biogas as a sustainable energy source for developing countries: Opportunities and challenges. Renew. Sustain. Energy Rev., 31: 846-859.
CrossRef  |  Direct Link  |