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Rice diseases and their control by growing resistance varieties and other measures : proceedings of a Symposium on tropical agriculture researches, September 1967, Tokyo / [contrib. by D.N. Srivastava...et al.].
- 850.1
- Japan. Ministry of agriculture and forestry. Agriculture, forestry and fisheries research council,
- 1974.
- Tokyo :
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Symposium on optimization of fertilizer effect in rice cultivation : proceedings of a Symposium on tropical agriculture researches : 8-10 September, 1969, Tokyo / [contrib. by H. Ito...et al.].
- 850.1
- Japan. Ministry of agriculture and forestry. Agriculture, forestry and fisheries research council,
- 1974.
- Tokyo :