摘要
【目的】为了研究不同施肥水平对甜菜植物学性状及产质量的影响,【方法】采用随机区组设计,设置0、300、600、900、1200、1500kg/hm^2慧尔专用肥6个处理,针对不同施肥时期和施肥量对甜菜叶丛高度、叶片数、叶绿素、叶面积、根围、根冠、干物质、产量、含糖率及单株重进行了测定。【结果】0~1500kg/hm^2这个范围内,甜菜块根产量、单株鲜重与施肥量呈显著正相关,施肥量在900kg/hm^2的处理时甜菜块根产量达到最大,随后开始下降,降幅较小。甜菜块根含糖率与施肥量呈显著负相关,随着施肥的增加含糖率呈现降低趋势,施肥量增加到1500kg/hm^2处理时,甜菜块根含糖率最低。【结论】综合产量和含糖率因素,不同施肥时期和施肥量对上述甜菜的植物学性状及经济学性状均有重要影响,慧尔专用肥的用量在900kg/hm^2左右较为合适。
To study the effects of different fertilization levels on botanical traits, root yield and sugar content of sugar bee, the method of a randomized block design, six Hui Seoul specialty fertilizer treatments （0, 300, 600, 900, 1200 and 1500 kg/ha） were used to test beet foliage height, leaf number, chlorophyll, leaf area, root around, shoot, dry matter yield, sugar content and plant weight, etc under different amount and applying times of fertilizer. Within 0~1500 kg/ha, the beet root yield and plant fresh weight was significantly positively related to fertilization, in treatment with 900kg/ha, the beet root yield reaches the maximum, and then begins to decline. Sugar beet root was significantly negatively correlated to fertilizer application, meanwhile sugar content decreases with the increase of fertilizer, sugar content was the lowest when fertilization treatment was 1500 kg/ha. Considering yield, sugar content and other aspects of factors, different fertilizer and applying times have an important impact on the botanical characters and economic characters; Hui Seoul specialty fertilizer in the amount of about 900 kg/ha is appropriate.
出处
《中国糖料》
2016年第4期24-28,共5页
Sugar Crops of China
基金
国家现代农业产业技术体系建设项目-甜菜产业技术体系玛纳斯综合试验站(CARS-210410)
关键词
甜菜
专用肥
施肥
植物学性状
产量
含糖率
sugar beet
special fertilizer
fertilization
botanical traits
root yield
sugar content
