(of crops) planted to improve the quality of the soil(adjective)
WordNet. Princeton University. 2010.
Use "soil-building" in a sentence
"The other is a science fiction novel called Gems of Kolbe featuring soil-building pioneers on the terraformed world of Kolbe."
"I would like to see research on how to design the most energy-efficient and soil-building cropping systems in the Midwest involving (1) a traditional corn-soybean rotation, (2) C-S-small grains rotations, (3) C-S-Small grains-Alfalfa-Alfalfa rotations."
"· Intercropping with herbaceous soil-building legumes such as stylosanthes or macroptilium; or"