本书共精选对大豆产量和品质影响较大的60余种主要病虫原色图片201张,突出病虫害田间发展和虫害不同时期的症状识别特征,详细介绍了每种病虫的分布区域、形态(症状)特点、发生规律及综合防治技术。
- What's new?
- Always Available Children's Classics
- Read-Alongs
- Picture Books
- Beginning Readers
- First Chapter Books
- Middle Grade Fiction
- Graphic Novels & Comics
- Fun Nonfiction for Kids
- Biographies & Autobiographies
- Available Now
- French Books for Kids
- See all ebooks collections
- Recently Added Audiobooks
- Available Now
- Nonfiction Audiobooks for Kids
- French Audiobooks
- See all audiobooks collections