农用稀土是以水溶性化合物为主体的复合产品,通常以硝酸镧、硝酸铈为主要成分,是一种新型的植物生长调节剂,稀土农用是一项投资少、效益高、简便易行的新技术。一、施用稀土的作用1.稀土对小麦生长发育及产量的影响小麦施用稀土拌种可促进小麦的生长发育。拔节期调查单株分蘖增加0.9个,次生根增加1.3根,百苗鲜重增加66.4克,麦中叶绿 Agricultural rare earth is a compound product mainly composed of water-soluble compounds, usually lanthanum nitrate, cerium nitrate as a new plant growth regulator, rare earth agricultural is a new investment, high efficiency, simple and easy technology. First, the role of the application of rare earth 1 rare earth on wheat growth and yield of wheat seed dressing with rare earth can promote the growth and development of wheat. At the jointing stage, tillering per plant was increased by 0.9, secondary root increased by 1.3, fresh seedling increased by 66.4g,