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Table 2. Rice farming <strong>systems</strong> in Can-tbodia and Lao PDR.<br />

Rice farming system Cambodia Lao PDR<br />

Rice area as percentage of<br />

total cropped area<br />

Rainfed lowland<br />

Early<br />

Medium<br />

Late<br />

Irrigated<br />

Deepwarer<br />

Upland<br />

Total<br />

Average national yield (tlha)<br />

Note: Figures in paren<strong>the</strong>ses are percentages.<br />

Table 3. Rice farming <strong>systems</strong> in Vietnam (1990).<br />

Water<br />

regime<br />

Irrigated lowlarid<br />

Spring-Summer<br />

Summer- Autumn<br />

Winter-Spring<br />

Nol-<strong>the</strong>rn pro\~ilicesa Mekong River ~ elta~<br />

Area (000 ha) % Area (000 ha) %<br />

Rainfed lowlalid<br />

Shallow (0-50 cm) 2 84 12 300 12<br />

Intermediate (50-100 cm) 95 4 550 23<br />

Deepwater (floating) 300 12<br />

Total rice area -,- 3 391 100 2,400 100<br />

a~ource: Huke and Huke (1990). 'source: Vietnam-UNDP (1991).

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