There are variety of publications offered through UC Agricultural and Natural Resources.  The link below offers some FREE publications related to food safety and preserving fruits and vegetables.  Check these out:

https://ucanr.org/freepubs/freepubsub.cfm?cat=5

Below is additional One Sheet Answer information:

Food Preserve OSA

• All About Botchulism
• All About Pickling
• Are Moldy Foods Safe To Use
• Blanching Vegetables
• Brown Bag and Picnic Safety
• Buying a Dehydrator
• Canning Tomatoes and Tomato Products
• Common Questions
• Common Questions About Jams and Jellies
• Dehydration Pretreatments
• Do's and Don'ts for Successful Canning
• Drying Fruits and Vegetables at Home
• Drying Herbs and Creating Herb Mixes
• Fruit and Vegetable Canning Tips
• Handling Eggs Safely
• High Altitude Cooking
• Home Dehydrator
• How To Make Fruit Leathers
• How to Use Dried Herbs
• If Your Freezer Stops
• Jars and Lids
• Keeping Food Safe During Disasters
• Meat, Poultry, and Shellfish Safety
• Methods of Dehydrating Foods
• Pressure Canning
• Rehydrating Dried Foods
• Safety / Color Changes
• Using Herbs in Jellies