抄録
This report is summarizing the development purpose of the paper multi for a paddy field, and the effect. This multi covers a paddy field for the purpose of growth control of weeds by optical interception. Development progress of multi, the analysis of the characteristic, and the effect are summarized. Paper is coated black. There are optical interception, improvement in on the strength of paper, and delay of decomposition speed by coating. Development of the paper multi for a paddy field was completed by acquiring these characteristics.
