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为探究铁皮石斛对高温强光复合胁迫的光合生理响应,通过在42 ℃和1809μmol/(m2·s)强光下处理 60 min, 测定处理前后光系统I和II活性、快速叶绿素荧光诱导动力学OJIP曲线、光系统I和II量子产额的变化。结果表明,高温强光胁迫处理后铁皮石斛的光系统 I和II活性分别下降了31%和78%,光系统I和II的电子传递速率分别下降 91%和86%。光系统II的严重受损不仅涉及放氧复合体的...
Impact of Fadama II project on income of tomato farmers in Niger State, Nigeria
Fadama II Project tomato participating farmers non-participating farmers
2011/1/12
This study was designed to quantitatively determine the impact of Fadama II Project on the farm income of tomato producers by utilizing primary data from tomato farmers in Bosso and Mokwa Local Govern...