٣٠ : ٥١
وَلَئِنۡ أَرۡسَلۡنَا رِيحٗا فَرَأَوۡهُ مُصۡفَرّٗا لَّظَلُّواْ مِنۢ بَعۡدِهِۦ يَكۡفُرُونَ
But if We send a [harmful] wind and they see [their crops] turning yellow, they become ungrateful thereafter.
شرح ومعانٍ · ١
- i.e., they become ungrateful to the previous favors of Allah.