4 . the analysis about high yield and cash income planting patterns indicated that the " two grain crops and one cash crop " , " one grain crop and one cash crop " and " one grain crop and two cash crops " patterns accounted for 81 % of the high yield and cash income rotation planting patterns 4 、對臺州市幾種高產(chǎn)高效的種植方式的分析表明,兩糧一經(jīng)、一糧一經(jīng)和一糧兩經(jīng)在高產(chǎn)高效復(fù)種模式中頻率占81 ,不僅頻率高,也深受農(nóng)民歡迎。