A field experiment was conducted on two soil types in the Changsha suburb of Hunan Province to study the effects of hydroquinone (HQ),dicyandiamide (DCD) and thiourea (TU) on the nitrate content in soil and pakchoi and on the yield of pakchoi.
英
美
- 通過(guò)田間試驗；對湖南長(cháng)沙地區的紅菜園土和沖積菜園土兩種土壤條件下氫醌(HQ)、雙氰胺(DCD)和硫脲(TU)3種硝化抑制劑對土壤和小白菜硝酸鹽含量及小白菜產(chǎn)量的影響進(jìn)行研究.
