Salinization of soils is an increasingly threat to agriculture , forest and environment . there are 0 . 96 billion hectares of salted soil worldwide amounting to one third of the total terrestrial area on earth . there are about 100 million hectares of salted soil in our country that severely limits agricultural production 土壤盐渍化是影响农林业生产和生态环境的严重问题，目前全世界约有9 . 6亿公顷盐渍土，占陆地面积的三分之一，我国的盐渍化土地近1亿公顷，给农林业生产造成了重大损失。
Being a big country major in agriculture and having a huge population , china plays an important role on the aspects of strengthening the protection of intellectual property right of plant new strain , and on encourage the innovation of new strain cultivator , on maintaining the consistent and stable development of chinese forestry and agriculture , on boosting the industrialization of strain field , on marketing , and improving its international competitive force Trips协议也对加入国的植物新品种保护制度提出了要求。我国作为农业和人口大国，如何加强对植物新品种的知识产权保护，对于鼓励育种者的创新力，保持我国农林业的持续稳定发展，促进我国种业产业化、市场化，增强国际竞争力起着重要的作用。
