Cassava is a starch crop of which the product harvested is the root tubers. 木薯是淀粉作物,收获的产品主要是块根。
cassava
[ noun ]
a starch made by leaching and drying the root of the cassava plant; the source of tapioca; a staple food in the tropics
<noun.substance>
cassava root eaten as a staple food after drying and leaching; source of tapioca
<noun.plant>
any of several plants of the genus Manihot having fleshy roots yielding a nutritious starch
<noun.plant>
Cassava \Cas"sa*va\ (k[a^]s"s[.a]*v[.a]), n. [F. cassave, Sp. cazabe, fr. kasabi, in the language of Haiti.] 1. (Bot.) A shrubby euphorbiaceous plant of the genus {Manihot}, with fleshy rootstocks yielding an edible starch; -- called also {manioc}.
Note: There are two species, bitter and sweet, from which the cassava of commerce is prepared in the West Indies, tropical America, and Africa. The bitter ({Manihot utilissima}) is the more important; this has a poisonous sap, but by grating, pressing, and baking the root the poisonous qualities are removed. The sweet ({Manihot Aipi}) is used as a table vegetable.
2. A nutritious starch obtained from the rootstocks of the cassava plant, used as food and in making tapioca.
He burned about 50 acres to plant cassava, a tropical root that yields a coarse flour and serves as "bread" for impoverished peasants.
IITA officials say that Zimbabwe is trying to start a large-scale cassava programme and that Zambia is interested in extending its crop.
Good rainfall throughout the past 12 months considerably improved production of food crops, especially cassava and maize. However, many of the age-old problems remain as strong today as they were eight years ago.