Question

"pressure on land has resulted in drastic reduction of the fallow periods and in some countries they have disappeared completely".
what's 'they' refers here 'fallow periods' or 'crops'?​

Answer 1

The major causes of land degradation include, land clearance poor farming practices, overgrazing, inappropriate irrigation, urban sprawl, and commercial development, land pollution including industrial waste and quarrying of stone, sand and minerals.Answer

Explanation: