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What kind of crops are called hardcore crops?
Persimmons are called hard-core crops.

Persimmons were regarded as "hard-core crops" by farmers in 1970s, and many poor people depended on them to make a living. Persimmon became a "hard core crop" at that time, mainly because of its strong adaptability.

Persimmons like shade, have low requirements on climate and soil conditions, are easy to plant and have a high survival rate. They can live for hundreds of years, so persimmons are planted in large areas in the north and south. Decades ago, persimmons were everywhere, and their status was even comparable to that of staple food. In addition, persimmon has a high yield and is rich in vitamins. They have successfully helped many families tide over the difficulties, so people respect persimmons very much and even regard them as gifts for visiting friends.

Persimmon present situation

Persimmons used to be everywhere, but now they are all gone. The reason is related to the taste of persimmon. Persimmon tastes sweet and greasy, and the skin of persimmon is difficult to handle, which makes many people unable to adapt. In addition, people now have no "feelings" for persimmons, after all, that poor era has passed. With the rapid development of modern society, more and more fruits are available for people to choose from, and the sweet and greasy taste of persimmons has also been criticized by many people.

Moreover, many people can't eat too sweet food at all, so they prefer other choices when choosing fruits. This makes persimmon's competitiveness in the market decline rapidly, and the demand is also greatly reduced, and finally it has no choice but to withdraw from the market. In addition, if persimmon is not handled properly, it will taste very astringent and difficult to swallow. Modern people pay great attention to health preservation, but persimmons have high sugar content, so it takes a long time to eat a persimmon. Persimmons are almost inedible for people who exercise regularly.

The above contents refer to Baidu Encyclopedia-Persimmon (Persimmon of Persimmon Family).