[1]范书华,董清山,解国庆,等.水肥一体化条件下马铃薯氮肥精准施用[J].黑龙江农业科学,2021,(09):29-32.[doi:10.11942/j.issn1002-2767.2021.09.0029]
　FAN Shu-hua,DONG Qing-shan,XIE Guo-qing,et al.Precise Application of Potato Nitrogen Fertilizer Under the Condition of Water and Fertilizer Integrated Management[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(09):29-32.[doi:10.11942/j.issn1002-2767.2021.09.0029]
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水肥一体化条件下马铃薯氮肥精准施用

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2021年09 页码: 29-32 栏目: 出版日期: 2021-09-10
Title:
Precise Application of Potato Nitrogen Fertilizer Under the Condition of Water and Fertilizer Integrated Management
作者:
范书华; 董清山; 解国庆; 王艳; 赵云彤; 孟祥海
黑龙江省农业科学院 牡丹江分院，黑龙江 牡丹江 157000
Author(s):
FAN Shu-hua; DONG Qing-shan; XIE Guo-qing; WANG Yan; ZHAO Yun-tong; MENG Xiang-hai
Mudanjiang Branch，Heilongjiang Academy of Agricultural Sciences,Mudanjing 157000,China
关键词:
马铃薯; 氮肥; 精准施用; 水肥一体化
Keywords:
potato;  nitrogen fertilizer; precise application; integration of water and fertilizer
DOI:
10.11942/j.issn1002-2767.2021.09.0029
文献标志码:
A
摘要:
为探索水肥一体化条件下，不同氮肥用量对马铃薯生长、产量及经济效益的影响，本研究选用尤金为供试马铃薯品种，以膜下滴灌水肥一体化为核心技术，开展了马铃薯氮肥精准施用技术试验。结果表明：当纯磷（P2O5）和纯钾（K2O）施用量分别为120和270 kg?hm-2时，马铃薯产量随施氮量的提升表现为先升后降的趋势，施氮量为189.24 kg?hm-2时，产量达最高值52 754.79 kg?hm-2；最佳经济施氮量为184.38 kg?hm-2，所对应的最佳产量为 52 749.15 kg?hm-2，与最高产量差异不显著。因此，在本试验条件下，马铃薯适宜的氮肥用量应控制在184~190 kg?hm-2，可获得较高的产量和经济效益。
Abstract:
In order to explore the effects of different nitrogen application rates on potato growth,yield and economic benefits under the condition of water and fertilizer integration,the study on precision application technology of nitrogen fertilizer for potato was carried out. In the study,Youjin was selected as the test variety and the core technology was the integration of water and fertilizer under film drip irrigation.The results showed that potato yield was firstly increased and then decreased with the increase of nitrogen application under the conditions of 120 kg?hm-2(P2O5) and 270 kg?hm-2(K2O). When the application rate of nitrogen was 189.24 kg? hm-2,the yield reached the highest value of 52 754.79 kg?hm-2.The optimum amount of nitrogen fertilizer was 184.38 kg?hm-2,and the corresponding yield was 52 749.15 kg?hm-2. The two yield showed no significant difference. Therefore,under the experimental conditions,the suitable application rate of nitrogen fertilizer for potato should be controlled within 184-190 kg?hm-2 for the higher yield and economic benefits.

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备注/Memo

收稿日期：2021-05-18

基金项目：黑龙江省农业科学院高效绿色现代农业示范项目（TGY-2020-05）；黑龙江省农业科学院“农业科技创新跨越工程”子项目（HNK2019CX07-10）。
作者简介：范书华（1974-），女，硕士，研究员，从事马铃薯育种及经济作物栽培研究。E-mail：mdjfsh@126.com。
通信作者：董清山（1967-），男，硕士，研究员，从事马铃薯新品种选育及高产高效栽培技术研究。E-mail：mdjdqs@126.com。

更新日期/Last Update: 2021-09-30