The mass water content of paddy soil after harvest is strongly associated with the accumulation of organic matter as the source of available nitrogen

References

• Ando, H., S. Shoji, T. Oikawa, and T. Sugano. 1986. “Decomposition of Rice Straw and Behavior of Nitrogen in Paddy Field Soil.” Japanese Journal of Soil Science and Plant Nutrition 57: 359–364. in Japanese. doi:https://doi.org/10.20710/dojo.57.4_359.
   Google Scholar
• Azuma, H., S. Takahashi, and N. Kato. 2015. “Nitrogen Mineralization Pattern in Moist and Air-dried Japanese Paddy Soils and the Relationship between Rice Yields and Nitrogen Mineralization.” Japanese Journal of Soil Science and Plant Nutrition 86: 175–187. in Japanese with English summary. doi:https://doi.org/10.20710/dojo.86.3_175.
   Google Scholar
• Dojou Kankyou Bunseki. 1997. “Analysis Methods of Soils and Environments.” edited by Editorial Board of Dojou Kankyou Bunseki, 24–29. Tokyo: Hakuyuusha. in Japanese.
   Google Scholar
• Food and Agricultural Materials Inspection Center. 1984. “Method of Cultivation Test on Harm to Plants.” http://www.famic.go.jp/ffis/fert/obj/sub2_7.html
   Google Scholar
• Fujii, H., H. Ando, T. Sato, and K. Aragaki. 1989. “The Nitrogen Mineralization Patterns of Paddy Soils in Shonai District.” Japanese Journal of Soil Science and Plant Nutrition 60: 8–14. in Japanese with English summary. doi:https://doi.org/10.20710/dojo.60.1_8.
   Google Scholar
• Harada, Y. 1984. “Exchangeable Capacity of Soil Cation and Anion: Measurement Method and Its Background.” Japanese Journal of Soil Science and Plant Nutrition 55: 273–283. in Japanese. doi:https://doi.org/10.20710/dojo.55.3_273.
   Google Scholar
• Hirokawa, T., M. Inahara, and J. Koike. 2011. “Declines in Soi1 Nitrogen Fertility after Rotation of Medium and Coarse-textured Gray Lowland Soi1 and Restoration Methods with Green Manure and Cattle Manure Compost.” Bulletin of the Agricultural Research Institute, Toyama Prefectural Agricultural, Forestry and Fisheries Research Center. 2: 11–12. in Japanese with English summary.
   Google Scholar
• Hirokawa, T., S. Ito, and Y. Kitagawa. 1993. “Behavior of Fertilizer Nitrogen and Soil Nitrogen in Gray Lowland Paddy Soil Improvement of Fertilization.” Bulletin of the Toyama Agricultural Research Center. 15: 1–66. in Japanese with English summary.
   Google Scholar
• Kamisato, C. 1958. “Soil Fertilizer Scientific Research of Soil with Upland and Paddy Field Rotation”. Abstracts of Annual Meeting Japanese Journal of Soil Science and Plant Nutrition 4: 62–63. doi:https://doi.org/10.20710/dohikouen.4.0_62.
   Google Scholar
• Kitada, K. 1990. “Kinetic Analysis for Nitrogen Mineralization of Paddy Soils.” Japanese Journal of Soil Science and Plant Nutrition 61: 241–247. in Japanese with English summary. doi:https://doi.org/10.20710/dojo.61.2_187.
   Google Scholar
• Kobo, K., and Y. Oba. 1973. “Cross Section of Volcanic Ash Soil and Volume Maximum Water Capacity.” Japanese Journal of Soil Science and Plant Nutrition 44: 1–10. in Japanese. doi:https://doi.org/10.20710/dojo.44.1_1.
   Google Scholar
• Kobo, K., and Y. Oba. 1974. “Effect of Accumulation Factors of Humus and Soil on Volcanic Ash Soil.” Japanese Journal of Soil Science and Plant Nutrition 45: 293–297. in Japanese. doi:https://doi.org/10.20710/dojo.45.6_293.
   Google Scholar
• Konno, T., and S. Sugihara. 1986. “Temperature Index for Characterizing Biological Activity in Soil and Its Application to Decomposition of Soil Organic Matter.” Bulletin of National Institute of Agro-environmental Science. 1: 51–68. in Japanese with English summary.
   Google Scholar
• Kubota, M. 1992. “Reasonable Application of Rice Straw to Wet and Semiwet Paddy Fields with Heavy Gley Soil in Niigata.” Journal of the Niigata Agricultural Experiment Station. 39: 1–87. in Japanese with English summary.
   Google Scholar
• Matsuo, K. 1962. “Relationship between Particle-size Composition of Soil and Water Retentivity (Part 2).” Japanese Journal of Soil Science and Plant Nutrition 33: 138–142. in Japanese. doi:https://doi.org/10.20710/dojo.33.3_138.
   Google Scholar
• Ministry of Agriculture, Forestry and Fisheries. 2008. “Basic Guidelines for Enhancement of Soil Fertility.” http://www.maff.go.jp/j/seisan/kankyo/hozen_type/h_dozyo/pdf/chi4.pdf
   Google Scholar
• Misono, S., and M. Kawajiri. 1967. “Study of the Three-phase Structure of Soils Report 1: 3-phase Structure under Field Condition.” Bulletin of the National Institute of Agricultural Sciences. 18: 49–128. in Japanese with English summary.
   Google Scholar
• Miyagi Prefectural Agricultural Research Center. 1992. “Estimation of Available Nitrogen by Soil Humus Content.” http://www.naro.affrc.go.jp/org/tarc/seika/jyouhou/H04/tnaes92023.html
   Google Scholar
• Nakano, K. 1980. “Changes in Physical Properties by Drainage of Montmorillonitic Heavy Clay Paddy Soils.” Journal of the Clay Science Society of Japan 20: 37–46. in Japanese with English summary and English tables and figures. doi:https://doi.org/10.11362/jcssjnendokagaku1961.20.37.
   Google Scholar
• Nira, R., and S. Miura. 2019. “Rice Yield and Soil Fertility of an Organic Paddy System with Winter Flooding.” Soil Science and Plant Nutrition 65 (4): 377–385. doi:https://doi.org/10.1080/00380768.2019.1632675.
   Web of Science ®Google Scholar
• Nishida, M., H. Sekiya, and K. Yoshida. 2013. “Status of Paddy Soils as Affected by Paddy Rice and Upland Soybean Rotation in Northeast Japan, with Special Reference to Nitrogen Fertility.” Soil Science and Plant Nutrition 59 (2): 208–217. doi:https://doi.org/10.1080/00380768.2012.762588.
   Web of Science ®Google Scholar
• Nonoyama, Y. 1981. “Effect of Plowing on the Physical Properties of Surface Soil in Well-drained Paddy Fields for Direct Sowing.” Bulletin of the Chugoku Agricultural Experiment Station. Series E. 18: 63–81. in Japanese with English summary.
   Google Scholar
• Odahara, K., Y. Fukushima, M. Araki, A. Kaneko, and K. Aramaki. 2012. “The Soil Fertility Status and Soybean Productivity in Paddy-upland Rotation Fields in Japan’s Chikugo River Basin.” Japanese Journal of Soil Science and Plant Nutrition 83: 405–411. in Japanese with English summary. doi:https://doi.org/10.20710/dojo.83.4_405.
   Google Scholar
• Shibahara, F., and K. Inubushi. 1997. “Effects of Organic Matter Application on Microbial Biomass and Available Nutrients in Various Types of Paddy Soils.” Soil Science and Plant Nutrition 43 (1): 191–203. doi:https://doi.org/10.1080/00380768.1997.10414727.
   Web of Science ®Google Scholar
• Shiratori, Y., H. Watanabe, Y. Furukawa, H. Tsuruta, and K. Inubushi. 2007. “Effectiveness of a Subsurface Drainage System in Poorly Drained Paddy Field on Reduction of Methane Emissions.” Soil Science and Plant Nutrition 53 (4): 387–400. doi:https://doi.org/10.1111/j.1747-0765.2007.00171.x.
   Web of Science ®Google Scholar
• Shoji, S., and T. Takahashi. 2002. “Environmental and Agricultural Significance of Volcanic Ash Soils.” Global Environmental Research 6 (2): 113–135.
   Google Scholar
• Sumida, H., N. Kato, and M. Nishida. 2005. “Depletion of Soil Fertility and Crop Productivity in Succession of Paddy Rice-soybean Rotation.” Bulletin of the National Agricultural Research Center Tohoku Region. 103: 39–52. in Japanese with English summary.
   Google Scholar
• Takahashi, K., S. Sunaga, and B. Kanke. 1984. “Changes of Soil Fertility in Converted Field from Paddy: (1) Effect of Cropping System on the Physical and Chemical Properties of the Soils and the Soil Microflora.” Bulletin of the Fukushima Prefecture Agricultural Experiment Station. 24: 17–28. in Japanese with English summary.
   Google Scholar
• Takakai, F., M. Takeda, K. Kon, K. Inoue, S. Nakagawa, K. Sasaki, A. Chida, et al. 2010. “Effects of Preceding Compost Application on the Nitrogen Budget in an Upland Soybean Field Converted from a Rice Paddy Field on Gray Lowland Soil in Akita, Japan.” Soil Science and Plant Nutrition 56 (5): 760–772. doi:https://doi.org/10.1111/j.1747-0765.2010.00503.x.
   Web of Science ®Google Scholar
• The national institute of agro-environmental science. 1983. “Classification of Cultivated Soils in Japan Second Approximation Revised Edition.”
   Google Scholar
• Toriyama, K. 1994. “Studies on Estimation of Nitrogen Mineralization Pattern of Lowland Rice Field and Nitrogen Fertilizing Model for Rice Plant.” Bulletin of the Hokuriku Agricultural Experiment Station. 36: 147–198. in Japanese with English summary.
   Google Scholar
• Ueno, M., K. Kumagai, Y. Sato, and N. Tanaka. 1992. “Nitrogen Mineralization Potentials of Paddy Soil and Estimation of Soil Nitrogen Mineralization Amount by a Kinetic Analysis.” Bulletin of the Yamagata Prefectural Agricultural Experiment Station. 26: 121–136. in Japanese with English summary.
   Google Scholar
• Wada, H., K. Inubushi, Y. Uehara, and Y. Takai. 1981. “Relationship between Total Nitrogen Content and Ammonia Conversion.” Japanese Journal of Soil Science and Plant Nutrition 52: 246–252. in Japanese. doi:https://doi.org/10.20710/dojo.52.3_246.
   Google Scholar
• Yamanaka, K., and K. Matsuo. 1962. “Studies on Soil Hardness (Part 1).” Japanese Journal of Soil Science and Plant Nutrition 33: 343–347. in Japanese. doi:https://doi.org/10.20710/dojo.33.3_138.
   Google Scholar