Assertion: cassava's level | /r/CapableOf | increase for potassium
Facets:
value: despite its ability
type: OTHER
Source sentences:
text: While it is not possible to determine what the optimum level of fertilizer use should be for cassava systems within the framework of this review, it is clear that, despite its ability to do well in poor soils, levels of use should increase, particularly for phosphorus and potassium, if cassava is to fulfil its potential in sub-Saharan Africa.