Although soil erosion is a natural occurrence on all land, there are certain factors that call accelerate erosion making it more noticeable and problematic. While there are many different factors that can cause soil erosion, most can be broken down into two main categories: 1  Erosion by Water. 2  Erosion by Wind.
This article is about the plant. For other uses, see Mustard. Brassica juncea, mustard greens, Indian mustard, Chinese mustard, Jie Cai (in Mandarin) or Kai Choi (in Cantonese), or leaf mustard is a species of mustard plant. Subvarieties include southern giant curled mustard, which resembles a headless cabbage such as kale, but with a distinct horseradish-mustard flavor.
Pak Choi Chinese Cabbage. Pak Choi is a quick, easy crop to grow . It is also called Chinese Cabbage (or Chinese Leaves) and is part of the wider brassica family, but looks more like some of the lettuces. The crisp leaves are slightly mustardy in taste. Recommended Varieties of Pak Choi Chinese Cabbage. Pak Choi is a quick, easy crop to grow . It is also called Chinese Cabbage (or Chinese Leaves) and is part of the wider brassica family, but looks more like some of the lettuces. The crisp leaves are slightly mustardy in taste. Pak Choi is available in a range of colours, from white through green, to red or purple.