Hanafi
The sources give no view for it here.
التبن في المزارعة
لمن يكون التبن في المزارعة بين صاحب الأرض والعامل؟
Each school’s answer
In our wordsHanafi
Not stated in the sources
Maliki
Not stated in the sources
Shafi'i
Not stated in the sources
Hanbali
Not stated in the sources
The texts
١٣٣٠ - مَسْأَلَةٌ: وَالتِّبْنُ فِي الْمُزَارَعَةِ بَيْنَ صَاحِبِ الْأَرْضِ وَبَيْنَ الْعَامِلِ عَلَى مَا تَعَامَلَا عَلَيْهِ، لِأَنَّهُ مِمَّا أَخْرَجَ اللَّهُ تَعَالَى مِنْهَا. [مَسْأَلَةٌ تَطَوَّعَ صَاحِبُ الْأَرْضِ بِأَنْ يُسَلِّفَ الْعَامِلَ بَذْرًا]
From the schools’ own books
Maliki
The sources give no view for it here.
Shafi'i
The sources give no view for it here.
Hanbali
The sources give no view for it here.
What is «in our words» is our standard wording; the books’ texts stay as they are.