The project "Management of B and Zn nutrition in oilseed crops in China",called ACIAR Project 9120,is supported by the Australian Center for International Agricultural Research (ACIAR).The project was carried out from July 1992 to July 1995,and the achievements of the project obtained have been highly appraised by the scientists both at home and abroad with major achievements summarized as follows:(1) Systematical study on the cultivar difference of oilseed rape in responses to B deficiency skowad that seedling mortality after transplanting,green leaf areas and root gro wth rate are the main plant traits for identifying B-efficientc genotypes of rape.