kraft lignin短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 硫酸盐木素 The application of wheat straw plus N or kraft lignin plus N fertilizer had a higher soil peroxidase activities compared with ammonium lignosulfonate plus N or no organic materials used. 除对照和单施氮肥外，两茬盆栽收获后土壤多酚氧化酶活性均高于第一茬试验。 www.aes.org.cn