Spring ploughing is open. A group of agronomists proficient in modern agricultural technology went to the field to teach the latest agricultural technology, explain the operation m...

First, strictly control the scope; The fixed-wing aircraft piloted by some people is mainly recommended for the control of locusts in public areas such as wasteland and meadow, or ...

First, strictly control the scope; The fixed-wing aircraft piloted by some people is mainly recommended for the control of locusts in public areas such as wasteland and meadow, or ...

First, strictly control the scope; The fixed-wing aircraft piloted by some people is mainly recommended for the control of locusts in public areas such as wasteland and meadow, or ...