共 5 条
- [1] ACHARYA C. N., 1957, Journal of the Indian Society of Soil Science, V5, P173
- [2] BOATWRIGHT G. O., 1961, Agronomy Journal, V53, P33
- [3] CRAWFORD R. F., 1961, AGRON JOUR, V53, P159
- [4] DETERMINATION OF NITRATE IN PLANT MATERIAL [J]. ANALYTICAL CHEMISTRY, 1950, 22 (12) : 1526 - 1529
- [5] Murphy J., 1986, ANN CHEM ACTA, DOI 10.1016/S0003-2670(00)88444-5