稀土对各种作物都具有良好的促进作用,生产实践证明,施用稀土元素后小麦增产25.3%,棉花增产10%,花生增产14.4%,大豆增产8.9%,西瓜增产15.1%,大白菜增产15%,黄瓜增产10%,西红柿增产13.5%等,可见在作物栽培中科学施用稀土元素,是一项重要的增产技术。选择最佳施用时期:如用稀土拌种或浸种,要在播前施用。叶面喷布时小麦在拔节期,棉花、花生在初花期,大豆在 Rare earth has a good role in promoting a variety of crops, production practice proved that the application of rare earth elements yield wheat 25.3%, cotton yield 10%, peanut yield 14.4%, soybean yield 8.9%, watermelon yield 15.1%, cabbage yield 15% , Cucumber yield 10%, tomato yield 13.5%, etc., showing that the scientific use of rare earth elements in crop cultivation is an important stimulation technology. Choose the best time to apply: such as seed dressing or soaking with rare earth, to be applied before sowing. Spraying wheat at jointing stage, cotton, peanut at early flowering stage, soybean in