Seasonal changes in N2 fixation activity and N enrichment in paddy soils as affected by soil management in the northern area of Japan. av Kondo, Motohiko

Effects of temperature, water regime, light, and soil properties on N2 fixation associated with decomposition of organic matter in paddy soils. av Kondo, Motohiko

QTL analysis of leaf photosynthesis in rice. av Takai, Toshiyuki

Ecophysiological analysis on effect of planting pattern on biomass production and grain yield in rice. av San-oh, Yumiko