Furthermore, lime-pretreatment decreased the NH4+-N concentration and increased NO3--N and total K concentration but did not affect the pH, EC, NH4+-N/NO3--N and total P .

• 有利于堆肥中钾的浓缩; 对堆肥的pH、EC、w(NH4+-N)/w(NO3--N)和总磷的影响不大。