labour is hand made meaning without machines

capital is with machines

Both

Labor intensive agriculture means it primarily uses physical labor of humans.

Machinery intensive agriculture means it primarily uses the power of machinery to do labor, instead of or along with human beings doing the work.

Yes, labour is intensive for diamond

By way of an example: Digging holes can be labor or capital intensive. You can use 1000 workers with cheap shovels

(labor intensive) or 1 worker with an expensive "steam shovel" (capital intensive). Some things cannot be done

either way like picking strawberries (labor intensive) or manufacturing microcircuits (capital intensive).