Is it a joke to grow oranges in the desert?

A. According to the meaning of the question, it is a question of adapting to local conditions, which means that high-quality agricultural products can be produced by choosing suitable varieties in areas with bad environment. However, not all famous products can grow in this environment, such as oranges and grapes, so they don't meet the question.

B, drought and water shortage meet the growth conditions of pistachio, which shows that selecting suitable varieties in bad areas can also produce high-quality agricultural products, which does not reflect a variety of agricultural management, so it does not meet the question;

C, the principle of adapting agriculture to local conditions, selecting suitable varieties in areas with harsh environment can also produce high-quality agricultural products, so it is correct;

D. The agricultural production reflected in the title should be based on the growth characteristics of crops, and the demand should be suitable for the growth conditions of crops, but it does not reflect the transformation of natural conditions, so it does not meet the meaning of the title.

So choose: C.