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over-fertility
over-fertility n. 
/ˌəʊvəfəːˈtɪlᵻti/,
Brit. /ˌəʊvəfəˈtɪlᵻti/
, /ˌəʊvəfəˈtɪlᵻti//ˌəʊvəfəːˈtɪlᵻti/U.S. /ˌoʊvərfərˈtɪlᵻdi/
/ˌoʊvərfərˈtɪlᵻdi/ΚΠ
1727 R. Bradley Chomel's Dictionaire Oeconomique (Dublin ed.) at Burning of Land To abate the Over~fertility caused by the Fire there.
1878 Harper's Mag. Mar. 520/1 The Ohio rivers are dark with the overfertility of the soil through which they flow.
1997 Population 9 212 (caption) Ratio of under- or over-fertility by level of socio-demographic variables.
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