as a country moves from a subsistence agriculture to a market-oriented agriculture, which of the following factors has been most difficult to overcome?

As the movement of country from subsistence to market oriented agriculture is provided it is expected that the country experience : Limited skilled labor

Explanation:

Subsistence agriculture is a farming or agricultural practice in which the farmer grows food crops to be consumed by the farmer and by the farmer's family and leaving nothing to be sold commercially.

Subsistence agriculture is associated with small scale farming practices.

Market oriented agriculture requires a large scale farming practice in which large area of agricultural field is required, new technological equipment from sowing seeds to harvesting crops are necessary, and skilled labor is necessary for this.

The farmer needs to have the management skills for changing the farming environment in market oriented agriculture which is not expected from farmers of the developing and poor countries.

Limitation of skilled labor is expected in market oriented agriculture because the farmer may not be qualified in management of agriculture business which is necessary to the market oriented agriculture so the farmer cannot train the labors how to proceed with the new technologies that is used of new type of irrigation systems, application of fertilizers and pesticides, and use of harvesting vehicles in the field.

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the answer is a because there all in high school