Effect of different soilless substrates on yield of Iceberg lettuce

The present investigations were carried out to study the effect of different combinations of substrates on growth and yield of Iceberg lettuce in PVC pots at Precision Farming Development Centre, CCS Haryana Agricultural University Hisar, Haryana during the year 2018. Four substrates namely cocopeat, perlite, vermiculite and vermicompost were used to create the different treatments in different proportions (by volume) for lettuce production. The results indicated that plants grown in cocopeat + perlite + vermicompost in the ratio of 2:1:1 produced maximum number of leaves (20.06), plant height (23.80 cm), plant spread (30.60 cm), yield (145.60 g/plant) and root weight (11.60 g) whereas the maximum root length (31.00 cm) was observed in case of treatment comprising cocopeat + perlite (2:1).