Traditional Culture Encyclopedia - Photography major - What are the challenges of crop production in China?

What are the challenges of crop production in China?

(1) The trend of decreasing cultivated land area is hard to reverse.

(2) The contradiction of water shortage is increasingly prominent.

(3) The deterioration of the ecological environment of crop production is still serious.

(4) Global warming has an increasing impact on crop production.

(5) The infrastructure of crop production is still weak, and the ability to resist disasters and reduce disasters is not strong.

(6) The contribution of scientific and technological progress to crop production is not high.