共 7 条
[1]
Rapid colorimetric determination of nitrate in plant tissue. Cataldo DA,Harsoon M,schrader LE et al. Commun. Soil Sci. and Plant Anal . 1975
[2]
Stage of development description for soybeans.Glycine max(L.) Merr. Fehr WR,Caviness CE,Burmood DT,et al. Crop Science . 1971
[3]
Limitations on leaf nitrate reductase activity during flowering and poclfill in soybean. Nelson-Schreiber BM,Schweitzer LE. Plant Physiology . 1986
[7]
Alteration in enrichment of NO 3 ? and reduced-N in xylem exudate during and after extended plant exposure to 15 NO 3 ?[J] . Thomas W. Rufty,Richard J. Volk.  Plant and Soil . 1986 (3)