摘要
为研究不同种植模式对冀西北坝上地区青贮玉米生长性状的影响,设置了3个种植模式:宽窄行起垄覆膜膜内侧种植(IS-RCF)、宽窄行起垄覆膜膜外侧种植(OS-RCF)和宽窄行平作不覆膜种植(CK),并测定两个青贮玉米品种(德美亚1号和方玉1201)在3个种植模式下的生长表现。结果表明,宽窄行起垄覆膜膜内侧种植模式在生育期、鲜草产量、淀粉、干物质含量、水分利用效率等方面均优于其他两个种植模式。对比CK模式,起垄覆膜膜内侧种植模式生育期提前7~10 d;德美亚1号和方玉1201鲜草产量均超过了54 t/hm^(2),显著高于其他两个种植模式(P<0.05);抽穗期叶面积和叶绿素含量均显著高于其他两个模式;两个品种起垄覆膜膜内侧种植模式下干物质含量超过了34%,淀粉含量超过了33%,显著高于其他两个模式(P<0.05);生育期内0~40 cm土壤日平均温度和日平均含水量分别达到18.77℃和13.44%,对保证坝上青贮玉米产量和品质效果最佳;德美亚1号和方玉1201起垄覆膜膜内侧种植模式下的地上生物量水分利用效率分别为178.61 kg/(hm^(2)·mm)和172.93 kg/(hm^(2)·mm),显著高于其他两个模式(P<0.05)。综合比较,起垄覆膜膜内侧种植模式在坝上地区种植效果最佳,搭配短生育期青贮玉米品种,对提高坝上青贮玉米产量和品质等性状以及保证坝上青贮玉米达到收获期的品质要求具有重要意义。
In order to investigate the effects of different planting patterns on the growth traits of silage corn in Bashang area of northwest Hebei Province,three planting patterns were designed:planted on the inner side of ridge covered film(IS-RCF),planted on the outer side of ridge covered film(OS-RCF),and planted without film mulching(CK).The growth performance of two silage corn varieties(Demeiya 1 and Fangyu 1201)under three planting patterns was determined.The results showed that the growth period,bio‐mass yield,starch,dry matter content,and water use efficiency of the IS-RCF planting mode were better than the other two planting modes.Compared with the CK mode,the growth period of IS-RCF planting mode was 7-10 days advanced.The hay yield of Demeiya 1 and Fangyu 1201 exceeded 54 t/hm^(2),which was significantly higher than the other two planting modes(P<0.05).The leaf area and chlorophyll content at heading stage were significantly higher under IS-RCF compared to the other two modes.Two varieties of maize has more than 34%dry matter content and more than 33%starch content under IS-RCF,which was significantly higher than the other two modes(P<0.05).The daily average temperature and water content of 0-40 cm soil in the growth period reached 18.77℃and 13.44%,which had the best effect on ensuring the yield and quality of silage corn in Bashang.Compared to the other two planting modes,IS-RCF increased the water use efficiency of aboveground biomass of Demeiya 1 and Fangyu 1201 to 178.61 kg/(hm^(2)·mm)and 172.93 kg/(hm^(2)·mm),respectively.The results demonstrated that the IS-RCF planting pattern in Bashang area was the most effective when combining with short-growth-period silage corn cultivars.It played an important role in improving the yield and quality of Bashang silage corn and ensuring the quality requirements of Bashang silage corn in the harvest period.
作者
刘青松
徐玉鹏
屈新月
陈雅琦
韩佳婷
岳明强
贾艳丽
阎旭东
LIU Qingsong;XU Yupeng;QU Xinyue;CHEN Yaqi;HAN Jiating;YUE Mingqiang;JIA Yanli;YAN Xudong(Cangzhou Academy of Agriculture and Forestry Science,Cangzhou 061001,China)
出处
《中国草地学报》
CSCD
北大核心
2024年第12期130-137,共8页
Chinese Journal of Grassland
基金
沧州市自然科学基金项目(221001003D)。
关键词
坝上
青贮玉米
地膜覆盖
水分利用效率
Bashang
Silage corn
Plastic mulching
Water use efficiency
作者简介
刘青松(1987-),男,河北黄骅人,副研究员,硕士,主要从事牧草栽培研究,E-mail:liuqingsong2007@yeah.net;通信作者:阎旭东,E-mail:yanxd7826@163.com。
