Plant Collection/@Merton/How to care Brassica rapa subsp. chinensis - gardening tips about watering, fertilizing and progress photos by MertonBrassica rapa subsp. chinensisTaiwan Pai TsaiD+61Photos 10 · Notes 6Gardening TipsFertilizing Tiporganic fertilisers pellets on top of soil - NPK 8-8-8