The affix ḍhak comes in the sense of 'a place of growing, when it is a field' after the words 1. vrīhi and 2. śāli,
Thus व्रीहीनां भवने क्षेत्रे = व्रहेयम्, शालेयम् 'a field fit for growing rice'.,
Adhyāya 5 · Pāda 2 · Rule 2
The affix ḍhak comes in the sense of 'a place of growing, when it is a field' after the words 1. vrīhi and 2. śāli,
Thus व्रीहीनां भवने क्षेत्रे = व्रहेयम्, शालेयम् 'a field fit for growing rice'.,