Six typical small holder (SH) and plantation (PL) upland cropping systems in SE. Asia were analyzed with regard to yield and income potential in relation to nutrient inputs (Table 6) .

• 我们分析了东南亚6种典型的小农户（SH）和种植园（PL）旱地种植制度，以揭示养分投入与产量和收入潜力之间的关系（表6）。