References
- Arakawa I, Abe S 1984: Effect of winter annual weeds on the ecosystem of arable land in Aizu district. [In Japanese.] Bull. Fukushima Pref. Agric. Exp. Stn., 23, 43–54
- Cavigelli MA, Thien SJ 2003: Phosphorus bioavailability following incorporation of green manure crops. Soil Sci. Soc. Am. J., 67, 1186–1194
- Cherr JM, Scholberg S, McSorley R 2006: Green manure approaches to crop production: A synthesis. Agron. J., 98, 302–316
- Chisaka H 1965: Autecology of Foxtail. [In Japanese.] Weed Res., 9, 20–27
- Egawa T 1982: Recycling of phosphorus in agriculture. FFTC Bull., 69, 16–25
- Hernandez DL 1986: Competitive adsorption of phosphate with malate and oxalate by tropical soils. Soil Sci. Soc. Am.J., 50, 1460–1462
- Hirata H, Watanabe K, Fukushima K, Aoki M, Imamura R, Takahashi M 1999: Effect of continuous application of farmyard manure and inorganic fertilizer for 9 years on changes in phosphorus compounds in plow layer of an upland Andosol. Soil Sci. Plant Nutr., 45, 577–590
- Imai H, Toyoshima M, Yamamoto S 1994: Evaluation of soil resources for major arable land in the Tohoku region. [In Japanese.] Bull. Tohoku Nat. Agric. Exp. Stn., 88, 57–82
- Karasawa T, Takahashi S 2015: Introduction of various cover crop species to improve soil biological P parameters and P uptake of the following crops. Nutr. Cycl. Agroecosyst., 103, 15–28
- Kogano K 1984: Availability and variability of accumulated phosphorus in paddy field in cooler regions of Japan. [In Japanese.] In Paddy Soil and Phosphorus - Supplying Capacity and Fertilization, edited by Japanese Society of Soil Science and Plant Nutrition, pp. 59–86. Hakuyusha, Tokyo
- Mizuno N, Minami M 1980: Rapid preliminary destruction of plant matters for the determination of N, K, Mg, Ca, Fe, Mn in agricultural crops. [In Japanese.] Jpn. J. Soil Sci. Plant Nutr., 51, 418–420
- Murphy J, Riley JP 1962: A modified single solution method for the determination of phosphate in natural waters. Anal. Chim. Acta., 27, 31–36
- Nanzyo M, Takahashi T, Shoji S 1996: Rapid method to determine available phosphorus content of paddy soils under reducing conditions using ascorbic acid. [In Japanese.] Jpn. J. Soil Sci. Plant Nutr., 67, 73–77
- Nira R, Ito T 2016: Formulation of a basic guideline to reduce phosphate fertilizer for paddy rice. [In Japanese.] Jpn. J. Soil Sci. Plant Nutr., 87, 462–466
- Randhawa PS, Condron LM, Hong JD, Sinaj S, McLenaghen D 2005: Effect of green manure addition on soil organic phosphorus mineralization. Nutr. Cycl. Agroecosyst., 73, 181–189
- Saito K, Matsuno S, Hirai H, Kato H, Maeda T 2007: Availability of phosphate throughout the year and the effect of continuous application of cattle manure in the paddy fields derived from an allophanic Andosol. [In Japanese.] Jpn. J. Soil Sci. Plant Nutr., 78, 283–289
- Shoji S, Higuchi F 1970: On paddy soil with large quantity of phosphorus fertilization history. [In Japanese.] Jpn. J. Soil Sci Plant Nutr., 41, 319–322
- Shoji S, Higuchi F, Suzuki T 1971: Effect of accumulated phosphorus on growth and yield of rice and the change of chemical form of soil phosphorus. [In Japanese.] Jpn. J. Soil Sci Plant Nutr., 41, 118–123
- Soil Standard Analysis Measurement Method Committee 2004: Soil Standard Analysis Measurement Method. [In Japanese] 174–177. Tokyo: Hakuyusha
- Tanaka A, Toriyama K, Kobayashi K 2012: Nitrogen supply via internal nutrient cycling of residues and weeds in lowland rice farming. Field Crops Res., 137, 251–260
- Tochigi Prefectural Government 2017: Tochigi Prefecture Agricultural Crop Application Fertilization Standard. [In Japanese.] Tochigi Prefectural government, Utsunomiya
- Truog E 1930: The determination of the readily available phosphorus of soils. J. Am. Soc. Agron., 22, 874–882
- Tsutsuki K, Ponnamperuma FM 1987: Behavior of anaerobic decomposition products in submerged soils. Soil Sci. Plant Nutr., 33, 13–33