本试验研究了亚硝酸盐在蔬菜腌渍过程中的形成机理和含量变化规律。
The study focused on the formation mechanism of nitrite and content changes in the process of pickled vegetables.
试验结果表明：通过高浓度游离氨对硝化菌选择性抑制所获得的亚硝酸盐积累是不稳定的；
The experimental results showed that the nitrite accumulation obtained from selective inhibition of high concentration free ammonia to nitrifier was unstable.
通过大田试验，研究了饼肥与化肥配施对烤烟硝酸盐、亚硝酸盐及钾素的影响。
The effects of proportional application of cake fertilizer and chemical fertilizer on leaf nitrate, nitrite and potassium of flue-cured tobacco were investigated in a field experiment.
另外，对水稻后期增施一定量氮肥试验，也未检测出亚硝酸盐。
In addition, in the experiment of the use of nitrogenous fertilizer in the later period of rice, no - 2 can not be found.
另外，对水稻后期增施一定量氮肥试验，也未检测出亚硝酸盐。
In addition, in the experiment of the use of nitrogenous fertilizer in the later period of rice, no - 2 can not be found.
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