Objective variable

Explanatory variable

Average

Standard deviation

Upland rice farmers without paddy land 28 samples

Upland rice area (ha)

3.996

1.836

Upland rice plots (plots)

3.231

1.142

Productivity (kg per ha)

1,665

626.9

Annual production (kg)

1,926

756.1

Rice shortage (months)

1.385

1.675

Farming technique (5 levels)

2.654

1.231

Farming water (5 levels)

1.577

1.301

Upland rice farmers with paddy land 11 samples

Upland rice area (ha)

3.067

1.773

Upland rice plots (plots)

3.000

1.225

Productivity (kg per ha)

1,590

529.3

Annual production (kg)

2,326

654.0

Rice shortage (months)

1.778

2.279

Farming technique (5 levels)

2.667

1.225

Farming water (5 levels)

1.889

1.167