沼渣与化肥配施对甘蓝品质产量及土壤质量的影响
Gansu Agricultural Science and Technology（2021）
Abstract
采用田间试验,研究不同量蔬菜废弃物沼渣与化肥配合基施对甘蓝产量和品质及土壤肥力的影响.结果表明,与常规化肥处理相比,适量的沼渣配施化肥可提高甘蓝产量,增加Vc和可溶性糖含量,降低硝酸盐含量,能活化土壤养分,提升土壤肥力.综合各方面因素,基施80％常规化肥(磷酸二铵480 kg/hm2+硫酸钾复合肥300 kg/hm2)+3000 kg/hm2沼渣处理最为理想,甘蓝增产14.04％,且明显改善甘蓝品质及土壤肥力.
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