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Soil constraints to productivity improvement
(1990)
Yields of most crops are known to decrease if that crop is grown continuously without fallowing or rotation with other crop species. Sugarcane has been grown continuously on many fields in Queensland for 50-100 years. ...
The role of Pythium species in yield decline in Southern cane growing districts : SRDC final report BS80S
(BSES, 1998)
Yield decline has been demonstrated in all established canegrowing regions of Queensland. Field and glasshouse studies with soil fumigants have shown that yield decline is largely caused by soilborne biological factors. ...