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  1. Fruit Edible parts - Fruit A small evergreen tree. It is almost thornless. It grows 1.8-4.5 m high. The branches droop. The leaves have broad, flat-wingedleaf stalks. Young leaves are mauve. The flowers have a purple tinge and have a scent. They occur throughout the year. Thefruit is medium...
  2. Key Resource
    2002-01-01 Acidification of soil is a natural process with major ramifications on plant growth. As soils become more acid, particularly when the pH drops below 4.5, it becomes increasingly difficult to produce food crops. As soil pH declines, the supply of most plant nutrients decreases while aluminum and a...