Subject	crop rotation
Predicate	conserve
Object	soil
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9254
Neighborhood Sigma	1.0000
Local Sigma	0.9869
Example Sentences	Sentence Occurrences Source crop rotation conserve soil 8 Google Autocomplete, Answers.com Questions crop rotation conserve the soil 2 Google Autocomplete crop rotation conserve soil and rainfall 2 Answers.com Questions