Estimation of N2 fixation in soybean and cowpea by using soil residual 15N
暂无分享,去创建一个
[1] K. Inubushi,et al. Dynamics of Available Nitrogen in Paddy Soils: II. Mineralized N of Chloroform-Fumigated Soil as a Nutrient Source for Rice , 1986 .
[2] R. Rennie. Advantages and Disadvantages of Nitrogen-15 Isotope Dilution to Quantify Dinitrogen Fixation in Field-Grown Legumes-A Critique 1 , 1986 .
[3] P. Chalk. Estimation of N2 fixation by isotope dilution: An appraisal of techniques involving 15N enrichment and their application , 1985 .
[4] K. Ritz,et al. Slow-release 15N fertilizer formulations to measure N2-fixation by isotope dilution , 1984 .
[5] R. Rennie,et al. Techniques for quantifying N2 fixation in association with nonlegumes under field and greenhouse conditions , 1983 .
[6] F. Zapata,et al. The methodology of measurement of N2 fixation by nonlegumes as inferred from field experiments with legumes , 1983 .
[7] J. Witty. Estimating N2-fixation in the field using 15N-labelled fertilizer: Some problems and solutions , 1983 .
[8] W. Kenworthy,et al. Field Comparison of the Nitrogen‐15 and Difference Methods of Measuring Nitrogen Fixation1 , 1982 .
[9] G. Y. Chang,et al. Estimation of Nitrogen Fixation by Isotope Dilution in Field and Greenhouse Experiments1 , 1982 .
[10] R. Rennie,et al. Dinitrogen Fixation Measured by 15N Isotope Dilution in Two Canadian Soybean Cultivars1 , 1982 .
[11] I. Vallis,et al. Uptake of soil nitrogen by legumes in mixed swards , 1977 .
[12] K. Kumazawa,et al. Use of optical spectrograpiuc15N-analyses to trace nitrogen applied at tile heading stage of rice , 1972 .
[13] W. Fehr,et al. Stage of Development Descriptions for Soybeans, Glycine Max (L.) Merrill , 1971 .
[14] J. M. Bremner,et al. Steam distillation methods for determination of ammonium, nitrate and nitrite , 1965 .