Leafy coriander (variety CO (CR) 4) can be grown in March–April under a 50% shade net and harvested at 45 days. The source reports 5.84 t/ha of leaves under the net against 2.49 t/ha in the open in summer, and a better price.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Coriander – Off season production of leafy coriander, pp. 185–186