摘要
为解决水培中的铁源问题,利用不同铁源水培油菜。结果表明:当营养液中各养分配比相同,pH控制在5.5～6.5时,用EDTA-Fe与FeC_6H_5O_7处理对油菜生长良好,两者差异不显著。用FeC_2H_5O_7处理的油菜:其体内叶绿素含量达EDTA-Fe处理的99.8％,H_2O_2酶活性超出EDTA-Fe处理的4.2％,根活力达EDTA-Fe处理的98.7％,Fe含量达EDTA-Fe处理的99.3％,用FeC_6H_5O_7处理的油菜产量最高,并且各项指标显著高于无机铁源。说明用FeC_6H_5O_7,可代替价格较高的EDTA-Fe,在无土栽培中应用。
The effects of characteristics of Brassica campestris which are grown under soilless condition and treated by five different iron-springs, have been studied during a certain period. The results showed that when fertilizer solutions were same and pH was below number 5. 5-6. 5, Brassica campestris of EDTA-Fe treatment can grow well. As Brassica campestris of citric-iron treatment. The chlorophyll content was 99. 8 percent , the CAT activity overpassed 4. 2 percent, root vitality reached 98. 7 percent , the iron content was99. 3, when compared with Brassica campestris of EDTA-Fe treatment. Moreover, the product of Brassica campestris of citric-iron treatment was the best among five treatments, and all targets were higher apparently than inorganic iron treatments. It is concluded that citric-iron may replace EDTA-Fe which is used now as iron-spring under soilless condition.
出处
《山西农业大学学报（自然科学版）》
CAS
2003年第2期112-116,共5页
Journal of Shanxi Agricultural University(Natural Science Edition)
基金
山西省自然基金(20021083)
山西省教育厅科技厅开发项目"高效营养液的开发与研究"资助
关键词
铁源
油菜
水培
产量
品质
无土栽培
营养液
Brassica campestris
Iron-spring
Soilless cultivate
Fertilizer solution
