Abstract
To apply mulch for leaf and root crop cultivation with high planting density, we tried to use a paper mulch combined with seed tape, which allows simultaneous mulch installation and seed sowing. When growing Komatsuna (Brassica Campestris L.) and turnip using the trial paper mulch, a rate of germination exceeding 90 % was obtained. For radishes and carrots, the rate of germination exceeded 80 %. In Komatsuna culture, growth and yield were improved using this mulch rather compared to that using seed tape without mulch. Moreover, the labor hours for weeding were shorted to about 10 % using mulch culture compared to that without mulch culture.