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Effects of planting hole sealing methods on soil moisture, temperature,
Authors
于健
李曼
+3 more
杜社妮
白岗栓
耿桂俊
Publication date
1 January 2012
Publisher
Abstract
为了提高河套灌区盐碱地番茄移栽成活率,以番茄定植孔采用土封孔为对照,监测了沙封孔、不封孔株间和根际的土壤水分、土壤盐分、土壤温度及番茄幼苗的生长状况。结果表明,不同处理株间土壤水分、土壤盐分、土壤温度无显著差异。沙封孔、不封孔与土封孔相比,根际0~10cm土层土壤水分降低了11.73%和14.80%,≥10~20cm土层降低了9.60%和13.64%;根际5cm土层最高温度降低了1.2和3.6℃,日均温降低了1.6和2.2℃;根际0~10cm土层土壤盐分降低了19.11%和24.84%,≥10~20cm土层降低了11.48%和19.67%。沙封孔、不封孔番茄幼苗移栽成活率较土封孔提高了20.57%和19.40%。河套灌区盐碱地地膜覆盖栽培番茄,定植时采用沙封孔或不封孔,可降低根际土壤水分及土壤温度,阻碍盐分表聚于根际土壤,提高了番茄幼苗的移栽成活率,该研究为河套灌区盐碱地种植番茄提供指导。</span
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018