During that period “the seeds sprout and grow tall. ” This growth takes place “on its own, ” gradually and in stages.
فَعَمَلِيَّةُ ٱلنُّمُوِّ لَا تَجْرِي بَيْنَ لَيْلَةٍ وَضُحَاهَا ،‏ بَلْ تَسْتَغْرِقُ فَتْرَةً مِنَ ٱلزَّمَنِ مِنْ لَحْظَةِ ٱلزَّرْعِ إِلَى وَقْتِ ٱلْحَصَادِ .‏