本书主要介绍了苹果特性、苹果品种、苹果苗木繁育、苹果园的建立、苹果周年管理、果树整形修剪技术、苹果病虫害绿色防治等内容，共分七章，图文并茂，阅读性强，适合广大果树种植专业户、农技推广人员等人参考使用。
Availability can change throughout the month based on the library's budget. You can still place a hold on the title, and your hold will be automatically filled as soon as the title is available again.
The OverDrive Read format of this ebook has professional narration that plays while you read in your browser. Learn more here.
Your session has expired. Please sign in again so you can continue to borrow titles and access your Loans, Wish list, and Holds pages.
If you're still having trouble, follow these steps to sign in.
Add a library card to your account to borrow titles, place holds, and add titles to your wish list.
Have a card? Add it now to start borrowing from the collection.
The library card you previously added can't be used to complete this action. Please add your card again, or add a different card. If you receive an error message, please contact your library for help.