недосе́в

nounmasculineinanimateuncountable

1.
(rare) shortfall in sowing, underfulfilment of the sowing plan, unsown areaagriculture
И́з-за дожде́й в хозя́йстве образова́лся большо́й недосе́в.
Because of the rains the farm had a large shortfall in sowing.
Agricultural planning term: the area left unsown or the amount by which sowing falls short of the plan.

Examples

В отчёте отметили недосев на полях
The report noted that some fields had not been fully sown.
Недосев привёл к нехватке зерна
Insufficient sowing led to a shortage of grain.
Из-за дождей возник недосев пшеницы
The rains resulted in insufficient sowing of wheat.