accumulation of nitrate的用法和样例：
- Appling only nitrogen manure was sure to cause accumulation of nitrate easily.
- Fan J, Hao M D, Dang T H.Distribution and accumulation of nitrate in soil profile of long-term located fertilizer experiment[J].Soil and Envir., 2000, 9(1): 23-26.
- Appling molybdenum fertilizer could remarkably reduce accumulation of nitrate in lettuce and you-mai vegetable no matter which pattern of fertilization, basal-dressing and top-dressing.
- Wang H J,Wu L H,Tao Q N.Influence of partial replacement of nitrate by animo acids on nitrate accumulation of pakchoi (Brassica chinensis L)[J].China Environ.Sci.,2004,24(1):19-23.
- An accumulation of data to be processed.