Application of parametrization using the Richards function to nitrogen release from coated urea and growth of rice seeds

Japan Agricultural Research Quarterly

Volumn 35, Issue 3, 2001, Pages 155-161

  Hara, Yoshitaka ^a,b  

^a Hokuriku Natl Agric Exp Station ^*  (Japan)

^b NATIONAL AGRICULTURAL RESEARCH CENTER FOR KYUSHU OKINAWA REGION   (Japan)

Author keywords

Arrhenius equation; Curve fitting; Germination; Parameter; Seed vigor

Indexed keywords

ARRHENIUS;

EID: 0035402755     PISSN: 00213551     EISSN: None     Source Type: Journal    
DOI: 10.6090/jarq.35.155     Document Type: Article

References (9)

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2. Hara, Y. & Toriyama, K. (1998): Seed nitrogen accelerates the rates of germination, emergence and establishment of rice plants. Soil Sci. Plant Nutr., 44, 359-366.
3. Hara, Y. & Toriyama, K. (1998): Ammonium nitrogen in soil solution and seed nitrogen affect the percentage of establishment of rice plants in submerged soil. Soil Sci. Plant Nutr., 44, 415-422.
4. Hara, Y. (1999): Calculation of population parameters using Richards function and application of indices of growth and seed vigor to rice plants. Plant Prod. Sci., 2, 129-135.
5. Hara, Y. (2000): Application of the Richards function to nitrogen release from coated urea at a constant temperature and relationships among the calculated parameters. Soil Sci. Plant Nutr., 46, 683-691.
6. Hara, Y. (2000): Estimation of nitrogen release from coated urea using the Richards function and investigation of the release parameters using simulation models. Soil Sci. Plant Nutr., 46, 693-701.
7. Hara, Y. (2000): Response parameters characterizing the growth of plants and its application as indices of seed vigor. Agric. & Hortic., 75, 1081-1090 [In Japanese].
8. Konno, T. & Sugihara, S. (1986): Temperature index for characterizing biological activity in soil and its application to decomposition of soil organic matter. Bull. Natl. Inst. Agro-Environ. Sci., 1, 51-68 [In Japanese with English summary].
9. Takahashi, N. (1960): The pattern of water absorption in rice seed during the germination. I. The relationship between the pattern and the germination velocity. Jpn. J. Crop Sci., 29, 1-3 [In Japanese with English summary].