[1]徐婷,樊景胜,连永利,等.不同种植密度对齐齐哈尔地区青贮玉米产量和品质影响[J].黑龙江农业科学,2020,(01):49-51.[doi:10.11942/j.issn1002-2767.2020.01.0049]
　XU Ting,FAN Jing-sheng,LIAN Yong-li,et al.Effects of Different Planting Densities on Yield and Quality of Silage Maize in Qiqihar Area[J].HEILONGJIANG AGRICULTURAL SCIENCES,2020,(01):49-51.[doi:10.11942/j.issn1002-2767.2020.01.0049]
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不同种植密度对齐齐哈尔地区青贮玉米产量和品质影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2020年01期 页码: 49-51 栏目: 出版日期: 2020-01-10
Title:
Effects of Different Planting Densities on Yield and Quality of Silage Maize in Qiqihar Area
作者:
徐婷; 樊景胜; 连永利; 曲忠诚; 赵索; 徐莹莹; 高盼; 杨慧莹
黑龙江省农业科学院 齐齐哈尔分院，黑龙江 齐齐哈尔 161006
Author(s):
XU Ting; FAN Jing-sheng; LIAN Yong-li; QU Zhong-cheng; ZHAO Suo; XU Ying-ying; GAO Pan; YANG Hui-ying
Qiqihar Branch of Heilongjiang Academy of Agricultural Sciences,Qiqihar 161006
关键词:
青贮玉米; 密度; 不同品种; 产量; 品质
Keywords:
silage maize;  density;  different species;  yield; quality
DOI:
10.11942/j.issn1002-2767.2020.01.0049
文献标志码:
A
摘要:
为提高齐齐哈尔地区青贮玉米生产效益，以7个青贮玉米品种为材料，研究3个种植密度对不同品种青贮玉米的生物产量及品质的影响。结果表明：随着密度的增加，青贮玉米的生物产量呈现先上升后下降的趋势，过高的种植密度反而降低玉米的生物产量。粗脂肪与粗蛋白含量随着密度的增加而降低，中性洗涤纤维和酸性洗涤纤维随种植密度的增加而增加。综合生物产量及品质等相关性状，适宜齐齐哈尔地区种植的青贮玉米为阳光1号，龙牧6号，龙巡32。其中阳光1号、龙牧6号适宜种植密度为6.25万株?hm-2，龙巡32适宜种植密度为6万株?hm-2。
Abstract:
In order to improve the production efficiency of silage maize in Qiqihar area,in this study,seven silage maize varieties were used as materials to study the effects of three planting densities on the biological yield and quality of silage maize.The results showed that with the increase of density,the biological yield of silage maize increased first and then decreased.The excessive planting density reduced the biological yield of maize.The crude fat and crude protein content decreased with increasing density,and the neutral detergent fiber and acid detergent fiber increased with increasing planting density.Comprehensive biological yield and quality and other related traits,suitable for silage maize planted in the semi-arid region of Heilongjiang Province is Yangguang No.1,Longmu No.6 and Longxun 32.Among them,Yangguang No.1 and Longmu No.6 have a suitable planting density of 62 500 plants?hm-2,and Longtou No.32 has a suitable planting density of 60 000 plants?hm-2.

参考文献/References:

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备注/Memo

收稿日期：2019-08-12基金项目：齐齐哈尔市科学技术计划项目（NYGG-201717）。

第一作者：徐婷（1983-），女，硕士，助理研究员，从事玉米栽培与育种研究。E-mail：xuting830630@126.com。

更新日期/Last Update: 2020-04-19