Crop Yield And Juice Quality

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4.1 Crop yield and juice quality

Soil sickness of sugarcane monoculture, expressed as a reduction of cane yield, stalk diameter and biomass when sugarcane is cultivated on the same soil sequentially, is one of the foremost problems in sugarcane production, particularly in field conditions (Li et al. 2015; Li and Yang, 2015). Sugarcane is an important crop in Guangxi, China, but due to its long duration annual economic returns tend to be lower than some other crops. Intercropping of short duration crops with sugarcane could increase benefits. Our result showed that lower sugarcane yield under monoculture system in both the locations, but intercropping systems had minor enhancement although it is not statistically significant. Moreover, sugarcane with soybean intercropping had higher productivity than monoculture and sugarcane with peanut. These results indicated that intercropping sugarcane with soybean was beneficial for sugarcane yield and soil sickness relieving. The same yield promoting effect had also been observed in sugarcane-potato (Singh et al. 2010), soybean-sugarcane intercropping (Yang et al. 2013) and sugarcane-cassava intercropping (Li et al. 2015). Thereafter, quality of cane juice was also showed no significant effect with intercropping and these results also correlated with previous research on sugarcane intercropping (Yang et al. 2013). However, intercrops selection should carefully consider the excessive risk of inter-specific competition. Kaur et al.
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