A clamping and self-locking cotton precision dibbler was designed and tested in this study.Its operating principle and working process were discussed and analyzed.

摘设计夹持自锁式棉花精量穴播器，论述构和工作理，并分析工作过程。

The bench test results indicated that the metering quality of the dibbler was increased significantly after improvement.

台架试验果表明，穴播器经改进后对棉种的播种精度有较大提高。