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Light interception and utilization in relay intercrops of wheat and cotton |
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| Authors: | L Zhang W van der Werf L Bastiaans S Zhang B Li JHJ Spiertz |
| Institution: | 1. China Agricultural University, College of Agricultural Resources and Environmental Sciences, Key Laboratory of Plant and Soil Interaction, Beijing 100094, China;2. Wageningen University, Plant Sciences, Crop and Weed Ecology Group, P.O. Box 430, 6700 AK Wageningen, The Netherlands;3. Cotton Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Cotton Genetic Improvement, Anyang, Henan 455004, China |
| Abstract: | In China, a large acreage of cultivated land is devoted to relay intercropping of winter wheat and cotton. Wheat is sown in strips with interspersed bare soil in October and harvested in June of the next year, while cotton is sown in the interspersed paths in the wheat crop in April and harvested before the next wheat sowing in October. This paper addresses the question how strip width and number of plant rows per strip of wheat or cotton affect light interception (LI) and light use efficiency (LUE) of both component crops. |
| Keywords: | Leaf are index (LAI) Light use efficiency (LUE) Photosynthetic active radiation (PAR) Intercropping Competition |
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