四棱豆的试种、利用和固氮研究

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四棱豆(Psophocarpus tetragonolobus)又名翼豆,属豆科蝶形花亚科,是多年生草质缠绕植物,原产亚洲热带地区。据报道,其叶、根、花、荚果和种子均可食用,且富含蛋白质和维生素,在发展中国家,曾被称为“高蛋白作物”。目前世界上已有几十个国家种植,但是对四棱豆的研究,仅是近十多年来才引起国际上的广泛重视。我国引种四棱豆的历史虽有几十年,但至今仍未进行生产性栽培,为了推广利用这一具有较大经济价值的豆类作物, Piedmont beans (Psophocarpus tetragonolobus), also known as wing beans, is a family of legume butterfly flower subfamily, is a perennial grass winding plant, originating in the tropical region of Asia. It is reported that its leaves, roots, flowers, pods and seeds are edible and are rich in protein and vitamins, which have been called “high protein crops” in developing countries. At present, there are dozens of countries in the world, but the study of arborvitae has only drawn international attention in the past decade or so. Although the history of the introduction of the four-year-old beans in China for several decades, but still not for cultivation, in order to promote the use of this great economic value of legumes,
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