Technique for deep placement of coated urea fertilizer in soybean cultivation

Japan Agricultural Research Quarterly

Volumn 33, Issue 4, 1999, Pages 235-242

  Takahashi, Yoshihiko ^a   Ohyama, Takuji ^b  

^a Mountainous Region Agricultural Technology Center   (Japan)

^b NIIGATA UNIVERSITY   (Japan)

Author keywords

Fertilizers and plant nutrition crop production; N2 fixation; Rb uptake; Root growth; Soils; Ureide

Indexed keywords

EID: 0033235716     PISSN: 00213551     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (14)

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5. - at the pod filling stage. II. Assimilation and transport of nitrogenous constituents. Soil Sci. Plant Nutr., 30, 219-229.
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8. Takahashi, Y. (1996): Effect of deep placement of controlled release nitrogen fertilizer on the growth of soybean plants and seed productivity in the upland field converted from a drained paddy field. Bull. J. Niigata Agric. Exp. Stn., 41, 53-104 [In Japanese with English summary].
9. 2 fixation activity and N absorption rate in field grown soybean plants by relative ureide method. Bull. Fac. Agric. Niigata Univ., 45, 91-105.
10. Takahashi, Y. et al. (1994): Yield components of soybean plant with deep placement of N fertilizer, related to high productivity. Bull. Fac. Agric. Niigata Univ., 40, 7-15.
11. Takahashi, Y. et al. (1991): Effect of deep placement of controlled release nitrogen fertilizer (coated urea) on growth, yield, and nitrogen fixation of soybean plants. Soil Sci. Plant Nutr., 37, 223-231.
12. Takahashi, Y. et al. (1991): Effect of placement of coated urea fertilizer on root growth and rubidium uptake activity in soybean plant. Soil Sci. Plant Nutr., 37, 735-739.
13. 2 fixation and N absorption activity by relative ureide method in field-grown soybean plants with deep placement of coated urea. Soil Sci. Plant Nutr., 38, 699-708.
14. Takahashi, Y. et al. (1993): Behavior of fertilized N from top-dressed or deep placed coated urea in soil of soybean field. Jpn. J. Soil Sci. Plant Nutr., 64, 338-340 [In Japanese].