风沙土玉米滴灌氮肥适宜用量试验研究
【目的】确定风沙土地区玉米滴灌适宜氮肥用量。【方法】采用田间试验的方法，在高水（IH）和低水（IL）条件下研究高氮（FH）、中氮（FM）和低氮（FL）3种施氮水平对玉米生长和产量的影响。【结果】在低水条件下，增加施氮量有利于植株生长，植株较高，叶面积指数较大；高水条件下增施氮量对植株生长促进作用小于低水条件。2种灌水条件下，地上物质干质量和鲜质量均随施氮量增加而增大，但地上物质含水率、茎粗和叶片叶绿素量受施氮量影响较小。施氮量增加提高了穗长、穗粗、行粒数等考种指标值，从而提高了产量，低水高肥和高水高肥处理产量分别为13.0和13.7 t/hm2，较低肥处理高出20.4%和17.1%。【结论】在...
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| Published in | Guanʻgai paishui xuebao Vol. 38; no. 11; pp. 16 - 21 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese English |
| Published |
Xinxiang City
Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
01.11.2019
扬州大学水利与能源动力工程学院,江苏扬州,225009%辽宁省水利水电科学研究院,沈阳,110003 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1672-3317 |
| DOI | 10.13522/j.cnki.ggps.2019036 |
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| Abstract | 【目的】确定风沙土地区玉米滴灌适宜氮肥用量。【方法】采用田间试验的方法，在高水（IH）和低水（IL）条件下研究高氮（FH）、中氮（FM）和低氮（FL）3种施氮水平对玉米生长和产量的影响。【结果】在低水条件下，增加施氮量有利于植株生长，植株较高，叶面积指数较大；高水条件下增施氮量对植株生长促进作用小于低水条件。2种灌水条件下，地上物质干质量和鲜质量均随施氮量增加而增大，但地上物质含水率、茎粗和叶片叶绿素量受施氮量影响较小。施氮量增加提高了穗长、穗粗、行粒数等考种指标值，从而提高了产量，低水高肥和高水高肥处理产量分别为13.0和13.7 t/hm2，较低肥处理高出20.4%和17.1%。【结论】在风沙土地区，增加施氮量有利于玉米植株生长和提高产量，尤其灌水量小时，作用更为明显。因此，结合试验结果在辽西北风沙土地区玉米滴灌种植施氮量推荐为300 kg/hm2。 |
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| AbstractList | S274.1; [目的]确定风沙土地区玉米滴灌适宜氮肥用量.[方法]采用田间试验的方法,在高水(IH)和低水(IL)条件下研究高氮(FH)、中氮(FM)和低氮(FL)3种施氮水平对玉米生长和产量的影响.[结果]在低水条件下,增加施氮量有利于植株生长,植株较高,叶面积指数较大;高水条件下增施氮量对植株生长促进作用小于低水条件.2种灌水条件下,地上物质干质量和鲜质量均随施氮量增加而增大,但地上物质含水率、茎粗和叶片叶绿素量受施氮量影响较小.施氮量增加提高了穗长、穗粗、行粒数等考种指标值,从而提高了产量,低水高肥和高水高肥处理产量分别为13.0和13.7 t/hm2,较低肥处理高出20.4％和17.1％.[结论]在风沙土地区,增加施氮量有利于玉米植株生长和提高产量,尤其灌水量小时,作用更为明显.因此,结合试验结果在辽西北风沙土地区玉米滴灌种植施氮量推荐为300 kg/hm2. 【目的】确定风沙土地区玉米滴灌适宜氮肥用量。【方法】采用田间试验的方法，在高水（IH）和低水（IL）条件下研究高氮（FH）、中氮（FM）和低氮（FL）3种施氮水平对玉米生长和产量的影响。【结果】在低水条件下，增加施氮量有利于植株生长，植株较高，叶面积指数较大；高水条件下增施氮量对植株生长促进作用小于低水条件。2种灌水条件下，地上物质干质量和鲜质量均随施氮量增加而增大，但地上物质含水率、茎粗和叶片叶绿素量受施氮量影响较小。施氮量增加提高了穗长、穗粗、行粒数等考种指标值，从而提高了产量，低水高肥和高水高肥处理产量分别为13.0和13.7 t/hm2，较低肥处理高出20.4%和17.1%。【结论】在风沙土地区，增加施氮量有利于玉米植株生长和提高产量，尤其灌水量小时，作用更为明显。因此，结合试验结果在辽西北风沙土地区玉米滴灌种植施氮量推荐为300 kg/hm2。 |
| Author | TONG, Wei CHEN, Wei DOU Chaoyin YAN Weichen WANG, Dingxin MENG Weizhong |
| AuthorAffiliation | 扬州大学水利与能源动力工程学院,江苏扬州,225009%辽宁省水利水电科学研究院,沈阳,110003 |
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| Author_FL | CHEN Wei DOU Chaoyin YAN Weichen MENG Weizhong WANG Dingxin TONG Wei |
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| Copyright | Copyright Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage 2019 Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| Keywords | 产量 氮肥 玉米 滴灌 风沙土 |
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| SubjectTerms | Corn Crop yield Diameters Drip irrigation Eolian soils Fertilizer application Fertilizers Irrigation Irrigation water Leaf area Leaf area index Moisture content Plant growth Plants (botany) Sandy soils Seeds Water content |
| Title | 风沙土玉米滴灌氮肥适宜用量试验研究 |
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