WANGJia-jun,YUBai-shuang,ZHANGRui-ping,et al.StudyonMixingPlantingTechnologyofLablabpurpureus(LongyinLentilNo.1)andSilageMaize[J].HEILONGJIANG AGRICULTURAL SCIENCES,2013,(01):19-22.
龙引扁豆1号与青贮玉米混种技术研究
- Title:
- StudyonMixingPlantingTechnologyofLablabpurpureus(LongyinLentilNo.1)andSilageMaize
- 文章编号:
- 1002-2767(2013)01-0019-04
- Keywords:
- Lablabpurpureus(LongyinLentilNo.1); silagemaize; mixingplanting; yield
- 分类号:
- S542+.9;S513
- 文献标志码:
- A
- 摘要:
- 通过研究不同栽培模式(种植密度、施肥水平、灌水)对龙引扁豆1号与青贮玉米混种的影响,筛选出了龙引扁豆1号与青贮玉米混种的较优栽培模式。结果表明:在保证青贮玉米原高产的种植密度下,随着龙引扁豆1号密度的增加,其混种生物产量显著增加,当龙引扁豆1号的种植密度与青贮玉米的种植密度相一致时,二者混种的生物产量最高,过密则造成严重倒伏;追施(尿素)的施用量在225~300 kg·hm2时增产显著;灌水处理则能显著提高混种产量,最佳的灌水时期分别在苗期和拔节期,灌水量为30 mm.次1。通过对种植密度、施肥水平、灌水水平等栽培模式搭配组合筛选出了龙引扁豆1号与玉米混种的较优栽培模式,龙引1号扁豆播种密度47 000株·hm2+施肥(尿素)225 g·hm2+灌水2次的栽培模式组合混种增产效果最好,比对照组合增产23.28%。
- Abstract:
- TheoptimalcultivationmodeonmixingplantingofLablabpurpureus(LongyinLentilNo.1)andsilagemaizewasscreenedthroughdifferentcultivations(plantingdensitycondition,irrigationandfertilizationlevel).TheresultsshowedthatbiomassyieldofmixtureincreasedsignificantlywiththeplantdensityofLablabpurpureusincreased,undertheconditionthattheplantingdensityofsilagemaizewasguaranteed,andthevalueofbiomassyieldwasthehighestwhenplantingdensityofLablabpurpureusandsilagemaizewasequal,whileexceedingoftheplantingdensityofsilagemaizecouldcauseseriouslodging;Fertilizationhadsignificantyieldincreasingbetween225~300kg?hm-2;Irrigationcouldimprovetheyieldsignificantly,andthebestirrigationstageswereseedlingandjointingstagerespectively,andtheoptimumvolumewasaboutonce30mm;Accordingtoplantingdensity,fertilizationandirrigationexperiment,theoptimalcultivationmodewasselectedinHeilongjiangprovince.Therewasthehighestyieldwhichwas23.28%higherthanthecontrol,whentheplantingdensitywas47000plants?hm-2,fertilizationvolumewas225g?hm-2,andirrigationtwice.
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备注/Memo
收稿日期:2012-10-23
基金项目:黑龙江省科技攻关资助项目(GB06B109-4)
第一作者简介:王家军(1973-),男,黑龙江省拜泉县人,硕士,副研究员,从事大豆病虫害研究。E-mail:junjiawang@163.com。
通讯作者:王树林(1965-),男,黑龙江省哈尔滨市人,硕士,高级农艺师,从事饲草筛选和栽培技术研究。E-mail:wangshulin1965@sohu.com。