施用沼液对芹菜品质和产量的影响

摘要/Abstract

摘要： 研究了沼液与等氮磷钾化肥的一次与分次施用对芹菜生理、品质的影响，为沼液在芹菜中的应用提供依据。试验以芹菜为材料，在完全随机设计的条件下，分析了芹菜的过氧化氢酶活性、叶绿素、VC、还原糖和硝酸盐含量。结果表明：无论是一次施肥还是分次施肥，施用沼液的处理比施用化肥的处理对芹菜的生理指标、品质指标显著提高，而产量有所下降，但差异不显著。其中一次施用300ml沼液的追肥处理(A1I)比化肥处理（B1I）对芹菜的叶绿素含量、过氧化氢酶活性分别提高了19.06%、6.52%；一次施用900ml沼液的追肥处理(A2I)比化肥处理（B2I）对芹菜的VC含量、还原糖含量分别提高了9.07%、51.31%，硝酸盐含量下降了31.65%；且施用沼液时一次施用与分次施用对芹菜的品质、产量无显著影响，化肥的分次施用与化肥的一次施用相比，芹菜的硝酸盐含量显著降低。

关键词: 蛋白质, 蛋白质, 还原性糖, 可溶性糖, 水分胁迫, 半同胞家系, 湿地松

Abstract: The experiment was conducted to study the effect of the fertilizing biogas slurry once and separately on physiological character, quality and yield of celery in order to provide a basis for application of biogas slurry on celery .The experiment with completely randomized design analyzed catalase activity, the content of chlorophyll, VC, reducing sugar and nitrate. The result showed: The effect in once or separately fertilizing biogas slurry and on photosynthetic physiological indexes, quality and dry matter content in celery is studied. The experiments with design method of complete random were conducted to study. The result is as following: Either once or separately fertilizing biogas slurry, Photosynthesis physiological index and quality of celery were obviously increased, the dry matter content of celery was decreased, moreover there was no significant difference in dry matter content of celery. The contents of chlorophyll and the catalase activity of celery were increased 19.06%, 6.52% in the once top-dressing treatment with 300ml biogas slurry (A1I) than that applied chemical fertilizer (A1I). The contents of VC and the reducing sugar of celery were increased 9.07% and 51.31% in the once top-dressing treatment with 900ml biogas slurry (A2I) than that applied chemical fertilizer (B2I) while the content of nitrate was decreased 31.65%.There was no significant difference in quality and yield of celery between the fertilizing biogas slurry once and separately. The separately fertilizing chemical fertilizer treatment significantly reduced the content of nitrate in comparison with once fertilizing.

中图分类号:

S141.4

郝鲜俊,洪坚平,谢英荷,高文俊. 施用沼液对芹菜品质和产量的影响[J]. 中国农学通报, 2008, 24(7): 408-412.

<SPAN lang=EN-US style=. Effect of biogas slurry on quality and yield of celery[J]. Chinese Agricultural Science Bulletin, 2008, 24(7): 408-412.

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