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首页> 外文期刊>International Journal Of Recycling of Organic Waste in Agriculture >Investigations on effectiveness of wheat and rice straw mulches on moisture retention in potato crop ( Solanum tuberosum L.)
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Investigations on effectiveness of wheat and rice straw mulches on moisture retention in potato crop ( Solanum tuberosum L.)

机译：小麦和水稻秸秆覆盖物对马铃薯作物水分保留的研究（Solanum Tuberosum L.）

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Abstract PurposeMulching is a practice recommended for soil moisture conservation in potato. The wheat straw and rice straw obtained as major crop residues were used as mulching materials to compare their effectiveness for soil moisture retention in potato crop.MethodsThe field experiments were conducted in a randomized complete block design replicated thrice with three treatments viz. plots incorporated with wheat straw mulch, rice straw mulch at the rate of 10 tonnes per hectare each and no mulch serving as control. The soil moisture was determined using a soil moisture probe and data were recorded daily at 10?cm, 20?cm and 30?cm soil depths. The Field Emission Scanning Electron Microscopy was used to investigate moisture retention characteristics of the mulch materials.ResultsSoil moisture retention varied as wheat straw mulch??rice straw mulch??no mulch at 10?cm, 20?cm and 30?cm soil depths, respectively. Highest moisture retention in wheat straw mulch at 10?cm depth is attributed to better moisture absorption ability of wheat straw in comparison to rice straw. Field Emission Scanning Electron Microscope images indicated the presence of smaller sized micro tubes in wheat straw than rice straw, which resulted in more water retention, thereby substantiating the findings of the study.ConclusionWheat straw mulch is more effective than rice straw mulch for shallow rooted crops like potato, due to better moisture absorption and retention in upper soil layer.
机译：摘要目的是土壤水分保护的实践。作为主要作物残留物获得的小麦秸秆和稻草被用作覆盖材料，以比较其土壤水分保留在马铃薯作物中的有效性。在随机的完整块设计中进行了田间实验，用三种治疗方法进行三次治疗。包含麦秸秆覆盖物，稻草覆盖物，每公顷10吨，每公顷10吨，没有用覆盖物作为对照。使用土壤水分探针测定土壤水分，并每天在10℃，20厘米，30厘米的土壤深度记录数据。现场发射扫描电子显微镜用于研究覆盖物的水分保留特性。麦子秸秆覆盖物（麦秸秆覆盖物）的水分保留变化？稻草覆盖物（稻草覆盖物）变化。稻草覆盖物10μm，20厘米，20厘米，30Ω·土壤深度分别。麦秸覆盖物的最高水分保留在10？cm深度，归因于稻草的麦秸的更好吸湿能力。场发射扫描电子显微镜图像表明小麦吸管中的较小尺寸微管的存在于稻草，导致较为水的保留，从而证实了研究的结果。结论仓库稻草覆盖物比浅根稻草覆盖物更有效像土豆一样，由于更好的吸湿和上层土壤层。

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