Based on the method of randomized block design,a pot experiment was conducted to study the effects of cobalt on the corn seedling growth and the cobalt content in corn seedling.

• 试验采用完全随机区组设计、盆栽与室内分析相结合的方法,研究了钴对玉米幼苗生长发育及其钴含量的影响,以期为玉米优质高产提供理论依据。