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首页> 外文期刊>Agroforestry Systems >Effect of shading by baobab (Adansonia digitata) and nere (Parkia biglobosa) on yields of millet (Pennisetum glaucum) and taro (Colocasia esculenta) in parkland systems in Burkina Faso, West Africa. (Special Issue: Fruit trees in West African parklands.)
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Effect of shading by baobab (Adansonia digitata) and nere (Parkia biglobosa) on yields of millet (Pennisetum glaucum) and taro (Colocasia esculenta) in parkland systems in Burkina Faso, West Africa. (Special Issue: Fruit trees in West African parklands.)

机译：西非布基纳法索的猴面包树（猴面包树（Adansonia digitata）和尼雷（Parkia biglobosa））遮荫对稀树草原（Pennisetum glaucum）和芋头（Colocasia esculenta）产量的影响。 （特刊：西非公园的果树。）

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摘要

An experiment was conducted in Nobere, Burkina Faso to assess the effect of shade of two indigenous fruit trees, Adansonia digitata (Baobab) and Parkia biglobosa (Nere), on a shade-tolerant crop called taro (Colocasia esculenta) in comparison with millet (Pennisetum glaucum) a shade-intolerant crop. Photosynthetically active radiation (PAR) and performance of crops under trees and in the open field were assessed during three cropping seasons. Millet performed better under baobab (806.1+or-121.48 kg ha-1) compared to the control plot (595.8+or-83.43 kg ha-1) and nere (320.2+or-59.91 kg ha-1). In contrast, the yield of taro was higher under nere (4124.0+or-469.05 kg ha-1) compared to the control plot (2336.9+or-617.04 kg ha-1) and baobab (2738.3+or-595.61 kg ha-1). There was a strong relationship between the amount of PAR intercepted by trees and crop yields under trees. As PAR decreased the yield of millet decreased whereas the yield of taro increased. Hence, it was concluded that parkland productivity could be enhanced by cropping taro under nere where light reduction was 83, 56 and 18% in zones A, B and C, respectively. An efficient association of baobab with crops could be the production of taro in zone A and millet in zones B and C where PAR reduction was 62, 38 and 15%, respectively.
机译：在布基纳法索的Nobere进行了一项实验，以评估两种本地果树（指猴面包树）和大果Parkia biglobosa（Nere）的树荫对小米（芋头（Colocasia esculenta））的耐荫性作物的影响（狼尾草（Penisesetum glaucum））。在三个种植季节期间，评估了树下和空旷地的光合有效辐射（PAR）和农作物的生长性能。与对照组相比（595.8+或-83.43 kg ha -1 ），小米在猴面包树（806.1+或-121.48 kg ha -1 ）下的表现更好，而在其他地方（320.2） +或-59.91 kg ha -1 ）。相比之下，与对照样区（2336.9+或-617.04 kg ha -1 ）芋头的产量更高>）和猴面包树（2738.3+或-595.61 kg ha -1 ）。树木截获的PAR量与树木下的农作物产量之间存在很强的关系。随着PAR的降低，小米的产量下降，而芋头的产量增加。因此，得出的结论是，通过在芋头下种植芋头可以提高公园的生产力，其中在A，B和C区分别减光83％，56％和18％。猴面包树与农作物的有效关联可能是A区的芋头生产和B和C区的小米生产，PAR分别降低62％，38％和15％。

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