ZHOU Xiao yan,YANG Juan.Effects of Different Quantity Desulphurized Waste on Water Use Efficiency of Rice Seedlings on Salinealkali Land[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(02):35-39.[doi:10.11942/j.issn1002-2767.2016.02.0035]
脱硫渣不同施用量对盐碱地水稻水分利用效率的影响
- Title:
- Effects of Different Quantity Desulphurized Waste on Water Use Efficiency of Rice Seedlings on Salinealkali Land
- 文章编号:
- 1002-2767(2016)02-0035-05
- Keywords:
- rice; desulphurized waste; salinealkali land; water use efficiency
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 为探究在盐碱地中种植水稻所需要的脱硫渣的最适施用量,采用拉丁方设计,研究了水稻不同生长时期的各项水分生理指标以及在不同脱硫渣施用量条件下的变化情况。结果表明:脱硫渣的施用对盐碱地水稻的根系活力、叶片含水量、水分利用效率等指标均有一定的影响,而且能显著提高水稻的水分利用效率;施用效果并不与脱硫渣施用量呈正相关,脱硫渣施用量过大反而会造成水稻根系活力下降,水分利用效率降低,当脱硫渣施用量在22.50~33.75 t·hm-2处理下水稻生长较好,水稻的各项水分生理指标有较大提高。
- Abstract:
- In order to explore the optimal quantity of desulphurized waste of planting rice on salinealkali land,through the paddy field experiment,used the Latin square design,the effect of different quantity of desulphurized waste on water use efficiency and its change in different growth stages on salinealkali land were studied.The results showed that the desulphurized waste on salinealkali land had certain influence on rice root system vigor,the leaf water content and the water use efficiency ,but the quantity must be appropriate.The oversized quantity of desulphurized waste could create the rice root system vigor to drop,the water use efficiency reduces.When optimal quantity of desulphurized waste was 22.5~33.75 t·hm-2,the water use efficiency was the highest.
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备注/Memo
宁夏大学大学生创新创业训练计划资助项目(2015-ZHB33)周晓燕(1987-),女,宁夏回族自治区银川市人,硕士,助教,从事植物分子生物学研究。E-mail :shuxian1231@163.com。