引言早在十七世纪初,红豆草(Onobrychisviciifolia)就被引入英国,并且非常广泛地种植于白垩土和鲕状土上(Thomson,1939)。没有统计当时的种植面积。但1980年,全英国合格种子的产量只有2吨,这间接地表明,在英国红豆草濒于消失。然而,由于红豆草优良的营养特性和不会引起 Introduction As early as the early seventeenth century, Onobrychis viciifolia was introduced into the United Kingdom and is grown very widely on chalk and oolitic soil (Thomson, 1939). No statistics of the time of planting area. However, in 1980, only 2 tons of qualified seed were produced in the United Kingdom. The grounding showed that the safflower was disappearing in the United Kingdom. However, due to the excellent nutritional properties of safflower and not to cause