The seedling matrix must be used in the large-scale transplanting machine. At present, the commercial organic matrix widely used in production could produce better quality seedlings, but the cost was too high, restricted the machine transplanting rice to spread widely. After several years of exploration and practice, a new matrix of red loess mixed with rice husks was developed. Compared with the commercial organic matrix widely used in production, the same quality rice seedlings can be produced by the matrix of red loess mixed with rice husks, and significantly reduced costs. It is suitable f...
