| 摘要 |
PROBLEM TO BE SOLVED: To provide culture soil for paddy rice seedlings in which the material is lightened and paddy rice is adapted for high-speed seeders and unhulled rice is efficiently sown and paddy field seedlings are favorably grown. SOLUTION: The culture soil for paddy rice seedlings for seeders comprises 30-40 vol% soil material and a lightening material having a gravity smaller than that of the soil material as main ingredients and has 0.4-0.7 specific gravity and 25-50 wt.% water content, and the culture soil is sieved by a sieve having 5-12 mm mesh. COPYRIGHT: (C)2005,JPO&NCIPI
|
