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红豆草(Onobrychis viciaefoliaScop)属豆科红豆草属,主要分布在欧洲、亚洲西部和南部。红豆草引入我国栽培已有20多年的历史,实践证明红豆草是一种产草量高、品质好、营养丰富的优良牧草,干草中含蛋白质约16.8%,并含有粗脂肪及纤维素等多种营养成分,其草质柔软,有芳香味,适口性好,各类家畜均可采食。但是,红豆草这些优良特性的发挥,必须以满足其一定的栽培条件为基础。因此,满足红豆草的适宜氮磷营养条件及其最佳配合比例,摸清红豆草需肥规律,查明干旱地区有灌溉条件下红豆草氮磷肥最适用量及最佳配合比例,是获得红豆草高产的一项重要农业技术措施。
Onobrychis viciaefoliaScop is a leguminosum, mainly distributed in Europe, western and southern Asia. The introduction of sainfoin has been cultivated for more than 20 years in our country. It has been proved that sainfoin is a good forage grass with high yield, good quality and rich nutrition. The hay contains about 16.8% of protein and contains much fat and cellulose Nutritional ingredients, its grass soft, fragrant, palatability is good, all kinds of livestock can be eaten. However, the excellent properties of sainfoin have to be exerted on the basis of satisfying certain cultivation conditions. Therefore, to meet the appropriate conditions for the optimum nitrogen and phosphorus saponins and the best proportion of match, find out the law of fertilizer requirements of red beans to identify the irrigated conditions of arid irrigated nitrogen and phosphorus fertilizer the most suitable amount and the best ratio is to obtain red beans An important agricultural technology measure of high yield of grass.