部分滴灌方式对玉米土壤水分水势分布、生长特性及产量的影响

Q4 Medicine
Saja M. Ahmed, Tareq K. Masood
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引用次数: 1

摘要

于2021年秋季在阿布格莱布农业研究部台站/阿布格莱布进行了田间试验,以评估交替和恒定部分滴灌方式下玉米作物的土壤水分、水势分布和生长因子。试验采用地表滴灌(DI)和地下滴灌(SD)两种灌溉方式;在每个灌溉系统下,5种灌溉方式分别为:常规灌溉(CI),交替部分灌溉APRI75和APRI50和恒定部分灌溉FPRI75和FPRI50各占CI水量的75%和50%。结果表明:DI和SD灌水系统常规灌溉(C1)水深分别为658.3和579.4 mm,施用APRI75和FPRI75时灌溉深度减少18%,施用APRI50和FPRI50时灌溉深度减少37%;不同灌溉方式的水分分布不同,由于土壤表面蒸发速率较低,SD提供较高的水分含量和较低的水势。不同的灌溉方式和灌溉方式对玉米的生长性状也有不同的影响。在玉米产量方面,SD处理显著优于DI处理,增产5.4%;交替部分灌溉处理显著优于恒定部分灌溉处理。关键词:基质抽吸,玉米,灌溉系统,灌溉深度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Partial Drip Irrigation Methods on Soil Moisture and Water Potential Distribution, Growth Characteristics and Yield of Maize
A field experiment was conducted during the autumn of 2021 at the Agricultural Research Department station / Abu Ghraib to evaluate the soil moisture, water potential distribution, and growth factors of maize crops under alternating and constant partial drip irrigation methods. In the experiment, two irrigation systems were used, surface drip irrigation (DI) and subsurface irrigation (SD); under each irrigation system, five irrigation methods were: conventional irrigation (CI), and 75 and 50% of the amount of water of CI of each of the alternating partial irrigation APRI75 and APRI50 and the constant partial irrigation FPRI75 and FPRI50 respectively. The results showed that the water depth for conventional irrigation (C1) was 658.3 and 579.4 mm for the DI and SD irrigation systems, respectively, and the irrigation depth was reduced to 18% when applied APRI75 and FPRI75 and 37% when applied APRI50 and FPRI50 respectively. The moisture distribution differed according to the irrigation method, and the SD provided a higher moisture content and lower water potential due to the lower evaporation rate from the soil surface. Also, the growth traits of maize varied according to the irrigation system and its methods. The SD system was significantly superior in the grain yield of maize with an increase of 5.4% compared with DI, and the alternating partial irrigation treatments were significantly superior to the constant partial irrigation. Keywords: Matric suction, Zea mays L., irrigation system, irrigation depth.
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来源期刊
Revista Bionatura
Revista Bionatura Medicine-Epidemiology
CiteScore
0.50
自引率
0.00%
发文量
144
审稿时长
8 weeks
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