Identify changes in agriculture (like grain and cotton)?

[uttam]

How to Identify changes in agriculture and watering methods that permitted the propagate of plants (like grain and cotton)?

[canadafarmer]

Water disruption and storage space.

check Australia for pure cotton farms, some of the storage space dams are bigger than Modern australia harbor.

[david]

use some instruments that can bring notice of agriculture and for water monitor, let me know which plants you placed in the soil?