Results show that the proper application of black liquor of papermaking can improve the soil properties and increase the contents of organic materials, N and K in soil.
结果表明，造纸黑液适量施用能改善土壤物理性状，增加土壤有机质含量和氮、钾含量；
Black liquor is the waste liquor from alkali papermaking, but it is an excellent mixture of latent base, organic base and buffer base.
黑液是碱法造纸产生的废液，但它却是一种出色的潜在碱、有机碱和缓冲碱的混合物。
Black liquor is the waste liquor from alkali papermaking, but it is an excellent mixture of latent base, organic base and buffer base.
黑液是碱法造纸产生的废液，但它却是一种出色的潜在碱、有机碱和缓冲碱的混合物。
应用推荐