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| Temperature and light performace and yield production of intercropped crops in rubber plantation withpaired row plantion system |
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| DOI：10.16768/j.issn.1004-874X.2018.01.002 |
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| Abstract: |
| Natural rubber is an important strategic raw material for manufacturing a wide variety of industrial
products. Intercropping is one of the most effective and sustainable way to increase the production per unit area
through the effective use of resources in rubber plantation. Research on temperature-light characteristics and crop
production intercropped in rubber plantation with paired row plantion system were carried out between 2014-2016.
Results showed that light intensity of rubber plantation with paired row plantion system was much higher than that fo
normal rubber plantation in summer（ July）. The light intensity at the middle sits of rubber plantation with paired row plantion system was 70% of the value of CK（ bare land）. The average light intensity of rubber plantation with
paired row plantion system was 50% of the value of CK（ bare land）. The average light intensity of normal rubber
plantation was 11% of the value of CK（ bare land）. In the pattern of rubber tree/vegetables，red radish ，pea and
ginger showed normal growth and development. In the patter of rubber tree/ grain crops， the yield of intercropped yam
bean（ 12.7 t/hm2） had no significant difference with monocultural yam bean（ 13.5 t/hm2）. The Fresh calyx yield
and flavone content of intercropped roselle were significantly decreased by 57% and 28.2% compared with that of the
control，respectively. This study provides a theoretical basis and technical support for the intercropping in rubber
plantation with paired row plantion system. |
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