
Use Chinglish to re-describe the following content without repeated descriptions and adjust the word order  and make the language fluent 

The sector is highly fragmented and its track record in commercialising seed innovations is weak, according to experts.
China has established a system that grants intellectual property rights to new varieties called New Plant Variety (NPV) rights.
In 2021, the government took a major step by improving protection of NPV rights for breeders through an amended seed law that introduced the concept of Essentially Derived Varieties (EDV), which are deemed lacking innovation.