Growth,yield and quality of wheat and cotton in relay strip intercropping systems |
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| Authors: | L. Zhang W. van der Werf S. Zhang B. Li J.H.J. Spiertz |
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| Affiliation: | 1. Cotton Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory for Genetic Improvement of Cotton, Ministry of Agriculture, Anyang, Henan 455004, PR China;2. Wageningen University, Plant Sciences, Crop and Weed Ecology Group, P.O. Box 430, 6700 AK Wageningen, The Netherlands;3. College of Agricultural Resources and Environmental Sciences, Key Laboratory of Plant and Soil Interaction, Ministry of Agriculture, China Agricultural University, Beijing 100094, PR China |
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| Abstract: | Intercropping of wheat and cotton is practiced at a large scale in northern China, but the productivity of intercrops, compared to monoculture, and the productivity and growth patterns of different alternative intercropping patterns have not been quantitatively documented. In this study, four typical wheat–cotton intercropping patterns were examined as to their growth and productivity in field experiments over three growing seasons in Anyang, Henan Province, China. The systems varied in the number of wheat and cotton rows in the alternating strips of either crop, and were labeled accordingly as 3:1, 3:2, 4:2 and 6:2. Dry matter accumulation, yield, land equivalence ratio (LER) and lint quality were determined. |
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| Keywords: | Crop growth analysis Grain yield Lint yield Land equivalence ratio (LER) Fiber quality Expolinear growth equation Competition Growth delay |
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