"If We willed, We could make it"—meaning the crop—"as debris, and you would remain in wonder." Some interpret it as: you would be amazed. The meaning is: they would be amazed at its destruction after it had been green.
﴿لَوْ نَشَاء لَجَعَلْنَاهُ﴾ يَعْنِي: الزَّرْع ﴿حُطَامًا فَظَلَلْتُمْ تَفَكَّهُونَ﴾ تَفْسِير بَعضهم: تعْجبُونَ، الْمَعْنى: يعْجبُونَ لهلاكه بعد خضرته
