Effects of different ratios of basal application to top dressing of ammonium sulphate nitrate (ASN) fertilizer with nitrification inhibitor 3,4-dimethylpyrazole phosphate (DMPP) (for short ASN+DMPP) on nitrate accumulation and nutritional quality of greengrocery (Brassica campestris L.
采用土培试验对含硝化抑制剂DMPP(3,4-二甲基吡唑磷酸盐)硫硝铵(ASN)氮肥(简称ASN+DMPP)不同基追肥比例对小青菜硝酸盐累积及营养品质的影响进行了探讨。