International Sugar Journal

Does prolonged green cane trash retention influence nitrogen requirements of the sugarcane crop in the wet tropics? † [Full subscriber]

Since the introduction of green cane trash blanketing (GCTB), there has been ongoing interest in its potential to contribute to the nitrogen (N) requirements of the sugarcane crop. An experiment was established at Tully to determine if N fertiliser inputs could be reduced following the implementation of a long-term GCTB system. The experiment also assessed if the amount of cultivation within the GCTB system during a fallow impacted on N requirements. The site had been set up in 1990 to investigate the long-term effects of GCTB. Three farming systems (FS) treatments were included: (1) long-term burnt cane, conventional cultivation of…

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