International Sugar Journal

Intercropping in sugarcane: A practice worth pursuing?* [Full subscriber]

The South African sugar industry recommends green manuring as a best management practice, but it can only be practised once every crop cycle (every 8-10 years). Intercropping was therefore investigated as a potential means of exploiting the benefits of green manuring over the entire sugarcane crop life. The objectives of this study were to determine the effects of intercropping on cane yield, and to investigate the possibility of reducing inorganic nitrogen (N) inputs in the presence of a leguminous intercrop. Four trials, with soybean, cowpea and/or lupin intercrops, were conducted at sites in Paddock, Nkwaleni and Pongola. In total, nine…

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