Ju X T, Liu X J, Pan J R et al. Fate of 15N-labeled urea under a winter wheat-summer maize rotation on the North China Plain[J]. Pedosphere, 2007, 17(1): 52-61.
Yang G Z, Tang H Y, Nie Y C et al. Responses of cotton growth, yield, and biomass to nitrogen split application ratio[J]. European Journal of Agronomy, 2011, 35: 164-170.
[9]
Tang H Y, Yang G Z, Zhang X L et al. Improvement of fertilizer N recovery by allocating more N for later application in cotton(Gossypium hirsutum L.)[J]. International Journal of Basic & Applied Sciences, 2012, 12(4): 32-37.
[10]
Yang G Z, Chu K Y, Tang H Y et al. Fertilizer 15N accumulation, recovery and distribution in cotton plant as affected by N rate and split[J]. Journal of Integrative Agriculture, 2013, 12(6): 999-1007.
[11]
Rochester I J, Constable G A, Macleod D A. Cycling of fertilizer and cotton crop residue nitrogen[J]. Australian Journal of Soil Research, 1993, 31: 597-609.
Karlen D L, Hunt P G, Matheny T A. Fertilizer 15nitrogen recovery by corn, wheat, and cotton grown with and without pre-plant tillage on Norfolk loamysand[J]. Crop Science, 1996, 36: 975-981.
[14]
Wei C Z, Ma T F, Wang X J et al. The fate of fertilizer N applied to cotton in relation to irrigation methods and N dosage in arid area[J]. Journal of Arid Land, 2012, 4(3): 320-329.
McConnell J S, Mozaffari M. Yield, petiole nitrate, and node development responses of cotton to early season nitrogen fertilization[J]. Journal of Plant Nutrition, 2005, 27(7): 1183-1197.
[19]
McConnell J S, Baker W H, Miller D M et al. Nitrogen fertilization of cotton cultivars of differing maturity. Agronomy Journal,1993, 85: 1151-1156.
Hou Z A, Li P F, Li B G et al. Effects of fertigation scheme on N uptake and N use efficiency in cotton[J]. Plant and Soil, 2007, 290: 115-126.
[23]
Hou Z A, Chen W P, Li X et al. Effects of salinity and fertigation practice on cotton yield and 15N recovery[J]. Agricultural Water Management, 2009, 96: 1483-1489.