утучнить v contraintes
génér.	enrich (soil); manure
Gruzovik, agric.	manure soil (pf of утучнять); enrich soil (pf of утучнять); fatten (pf of утучнять)
утучниться v
génér.	become more fertile (due to application of fertilizers); enrich (soil); fatten; grow fat; manure
Gruzovik, agric.	become fat (pf of утучняться); grow fat (pf of утучняться); become more fertile due to application of fertilizers (pf of утучняться)