But as increased attention has been given to crop improvement and more and more private firms and individuals have started to engage in it, the need of patenting new varieties to protect a reasonable profit has gradually become recognized.
但隨著品種改良的受重視，私人投入開發的情況日益增多。給予植物新品種專利，以保障合理利潤，也逐漸得到認可。