Table 1 Studies demonstrating alternative rice cultivation practice outcomes
Outcome | Alternate wetting–drying | Furrow irrigation |
---|---|---|
Reduced arsenic | Li et al.39; Linquist et al.10; Price et al.60; Rahman et al.61; Williams et al.123 | Aide and Beighley62; Duxbury and Panaullah15; Li et al.43; Stevens et al.63; Talukder et al.64 |
Reduced water use | Bouman and Tuong23; Lampayan et al.13; Linquist et al.10; Liu et al.21 | |
Reduced inputs | ||
Reduced carbon emissions | Li et al.37; Lindau et al.34; Linquist et al.10; Wassmann et al.36 | Feng et al.33 |
Rainfall capture / reduced runoff | ||
Comparable yield to conventional methods | Das et al.65; LaHue et al.11; Lampayan et al.13; Li et al.41; Li et al.39; Rahman et al.61 | Bouman et al.14; Duxbury and Panaullah15; Li et al.43; Stevens et al.75 |
Reduces yields | Bouman and Tuong23; Carrijo et al.12; Hu et al.66; Yamaguchi et al.77 | Bouman et al.44 |
Increased labor demands | Carrijo et al.12; Linquist et al.10; Massey et al.8; Miller et al.76 | Stevens et al.75 |
Reduced soil carbon content | Witt et al.82 | |
Increased cadmium | Arao et al83; Honma et al.84; Hu et al.66; Li et al.39; Yang et al.38 | Zhao and Wang87 |