The strategies involve (l) an increase of the initial plot size, (2) the use of adaptive cluster samping, and (3) a combination of the first two.
Omashongo atatu oo (1) okutambula ko onghedi imwe yokukalamwenyo, (2) okulididimikila odjuulufi yokeumbo nosho yo (3) okupanga oukaume novamwatate vomoshitukulwa oko wa tembukila.