Subsistence farming and Truck farming

Subsistence farming noun - Farming that provides for the basic needs of the farmer without surpluses for marketing.

Truck farming and subsistence farming are semantically related. in farming for basic needs topic. In some cases you can use "Truck farming" instead a noun phrase "Subsistence farming".

Truck farming noun - Growing vegetables for the market.

Subsistence farming and truck farming are semantically related. Sometimes you can replace phrase "Subsistence farming" with "Truck farming", this phrases are similar.