Table 1

Summary of collected data through references and field experiments.

Type No. of data Source
VSF 441 Rajaratnam et al. (1986, 1992), FAO/DVWK (2002), Puertas et al. (2004) and 4 field cases, 2 included in Fuentes-Pérez et al. (2014)
PWF 180 3 field cases, 1 included in Fuentes-Pérez et al. (2016)
SPNF 45 1 field case

A description of own field cases can be found in S2 Appendix and all data collected in field cases is included in S3 Data Appendix.

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