Agriculture types

Food forests

X-oponics

Sandgardening

Permaculture - other

Chinampa

Regenerative field agriculture

Horticulture

Herb spirals

Soil management

• Test pH: https://www.thespruce.com/do-it-yourself-soil-ph-test-4125833
• DIY soil nutrient testing device: https://how2electronics.com/measure-soil-nutrient-using-arduino-soil-npk-sensor/
• Restore dead soil: https://www.youtube.com/watch?v=NGzcvarmZgk&ab_channel=HuwRichards
• Cation-exchange capacity information: https://www.wikiwand.com/en/Cation-exchange_capacity