Laboratory experiments were conducted to study the effects of fertigation strategies on water and nitrogen distribution from a surface point source of ammonium nitrate.

• 以一种砂粒含量高达95%25的砂土为对象,开展了滴灌施肥灌溉条件下,灌水器流量、灌水量和系统运行方式对水分、硝态氮和铵态氮分布影响的室内试验。