Assertion: soil's nutrient | /r/HasProperty | deficient
Facets:
value: in ultisols
type: LOCATION
value: typically
type: DEGREE
Source sentences:
text: Major nutrients, such as calcium and potassium, are typically deficient in Ultisols, which means they generally cannot be used for sedentary agriculture without the aid of lime and other fertilizers, such as superphosphate.