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2. Alternative Methods of Agriculture,1980
3. The One-Straw Revolution;Fukuoka,1978
4. Resistance to blast disease of rice plants grown in the non-manured and chemicals non-applied paddy field for long period;Hirai;Mem. Fac. Agric. Kinki Univ.,1979
5. The effect of Drosophila release on the spider population in a paddy-field;Kobayashi;Appl. Entomol. Zool.,1975