|
|||||
|
|
| PAM施用方式对土壤水热及玉米生长的影响 | |
| 引用本文： | 张蕊,于健,耿桂俊,李晶晶,白岗栓.PAM施用方式对土壤水热及玉米生长的影响[J].中国水土保持科学,2013,11(3):96-103. |
| 作者姓名： | 张蕊 于健 耿桂俊 李晶晶 白岗栓 |
| 作者单位： | 1. 西北农林科技大学林学院,712100,陕西杨凌 2. 内蒙古自治区水利科学研究院,010020,呼和浩特 3. 中国水电顾问集团西北勘测设计研究院,710065,西安 4. 中国科学院水利部水土保持研究所,712100,陕西杨凌 5. 中国科学院水利部水土保持研究所,712100,陕西杨凌;西北农林科技大学水土保持研究所,712100,陕西杨凌 |
| 基金项目： | 国家"十二五"科技支撑计划项目"内蒙古河套灌区粮油作物节水技术集成与示范"，"黄土丘陵沟壑区水土保持与高效农业关键技术集成与示范"，水利部科技推广计划支助项目"保水剂技术的推广应用" |
| 摘 要： | 为了探寻PAM在玉米生产中的最佳施用方式,在河套灌区玉米播种时,以不施PAM为对照,研究PAM沟施、混施、撒施、穴施对土壤水分、土壤温度和玉米生长的影响。结果表明:1)在玉米生长的不同时期,PAM都可提高土壤水分,特别是在干旱的玉米抽雄吐丝期、灌浆期具有显著作用;2)PAM可延缓玉米幼苗期、三叶期的土壤温度回升,抑制玉米幼苗生长;3)从玉米拔节期开始,PAM可促进玉米生长,在玉米抽雄吐丝期、灌浆期效果最为显著;4)PAM沟施、混施、撒施、穴施的玉米产量分别较对照提高30.6%、39.3%、40.2%和31.7%,水分利用效率分别提高18.97%、25.43%、29.69%和20.46%,水分产出率分别提高31.36%、40.71%、42.15%和32.32%;5)在河套灌区,PAM撒施是玉米播种时相对适宜的施用方法。 |
| 关 键 词： | PAM 施用方式 土壤水热 玉米 生物量 |
Effects of PAM with different application methods on soil moisture, soil temperature and growth of Zea mays |
|
| Zhang Rui , Yu Jian , Geng Guijun , Li Jingjing , Bai Gangshuan.Effects of PAM with different application methods on soil moisture, soil temperature and growth of Zea mays[J].Science of Soil and Water Conservation,2013,11(3):96-103. | |
| Authors: | Zhang Rui Yu Jian Geng Guijun Li Jingjing Bai Gangshuan |
| Institution: | 4,5(1.College of Forestry,Northwest A＆F University,712100,Yangling,Shaanxi;2.Institute of Inner Mongolia Hydraulic Research,010020, Huhhot;3.Hydro China Xibei Engineering Corporation,710065,Xi’an;4.Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,712100,Yangling,Shaanxi;5.Institute of Soil and Water Conservation,Northwest A＆F University, 712100,Yangling,Shaanxi： China) |
| Abstract: | In order to probe the best application methods of PAM in Zea mays production in Hetao Irrigation District,Inner Mongolia,PAM was applied with four methods of furrowing,mixing,broadcasting and holing,taken plots without PAM at Zea mays sowing as control.Effects of PAM on soil moisture,soil temperature and Zea mays growth status were studied at different growth stages of Zea mays.The results showed that：1）The application of PAM led to the increase of soil moisture during all growth stages of Zea mays,especially in drought stage of tasseling-silking and filling stages.2） The application of PAM hindered the rise of soil temperature in seedling and trefoil stages,and inhibited the growth of Zea mays seedling.3）The application of PAM promoted Zea mays growth from jointing stage,especially in tasseling-silking and filling stages.4）Compared with the control,Zea mays yields of furrowing,mixing,broadcasting and holing increased by 30.6%,39.3%,40.2% and 31.7% respectively,water use efficiency improved by 18.97%,25.43%,29.69% and 20.46% respectively,and water production rate improved by 31.36%,40.71%,42.15% and 32.32% respectively.5）In Hetao Irrigation District,broadcasting was the relatively optimum application method of PAM at Zea mays sowing. |
| Keywords: | PAM application methods soil moisture and temperature Zea mays biomass |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |