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Carbonized sewage sludge has more advantages in terms of storage and transportation than dewatered sewage sludge, but no detailed studies have so far been conducted on the former. Dewatered sewage slu...
In Japan, deep-water treatment is occasionally used to regulate the rice growth. For practical use of this method, it is necessary to determine the appropriate time of treatment. In this study, deep-w...
The effects of cover crop on rice growth, yield, and nitrogen in soil were investigated and compared with those of chemical fertilizer (CF) and no fertilizer (NF) application in the Shikoku region of ...
The interplanting with zero-tillage of rice, i.e. direct sowing rice 10-20 days before wheat harvesting, and remaining about 30-cm high stubble after cutting wheat or rice with no tillage, is a new cu...

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