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不同配置大豆玉米帶狀復(fù)合種植系統(tǒng)中各行作物的形態(tài)和產(chǎn)量

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Morphology and Yield of Crops in Diferent Rows Under Soybean and Maize Strip Compound Planting Systems WEI Xin-rul,YANG Wu-jie2,HEHao-chenetal(1.Shandong Agricultural University,Tai’an,Shandong 271018;2.Shandong Provincial Department of Agriculture and Rural Affairs,Jinan,Shandong )

AbstractToquantifythechangesinplantmorphologyandyieldofsoybeanandmaieindferentfieldconfigurationsandprovideabsisfor selectingconfigurations,thisexperimentsetufiveintercroppingtreatments,namely24S2M,4S3M,62M,and63(esr presentows,Srepresentssoybeans,ndMrepresentsmaize)Using monoculturesoybeans(SS)andmonoculturemaize(S)ascotrols, theplantmorpholgy,ieldofachoofrops,landquivalentatioandcoomicbnefitsunderintercoppingtreatentsalyed. Resultsshowedthaterewerediferencsinsoybanyieldamongdiferentowsofsobeanmaiecompositeplantingodeswithdifreton figurations. Compared with monoculture, the configuration of 6 rows of soybeans resulted in a 53.20% decreased in yield for soybean row1 (the outermost row),a 42.73% decrease in yield for soybean row 2(the second row),and a 29.87% decreased in yield for soybean middle row.In the configuration of four rows of soybeans,the side row of soybeans decreased by 56. 18% compared to monoculture,and the middle row of soybeans decreased by 53.20% compared to monoculture.Soybeans yields of the configuration of 6 rows were 1.2O times higher than theconfiurationof4rowsofsoybeans.Thereweredifrencsinmaizeyieldamongdiferentrowsofsoybeanandmaizecompoundplanting modeswithdiferentcofiguratios.Theconfiguratioofowsofmaiehadmargialectsonachowofmaize,sotereasnsiint difrenceinmaeyieldetwnthofiguratioofowofaizeandmonocultur(exceptforS),hileteconfiguatioofowsf maizehadsignificantlylowermaizeyieldperowthanmonoculture.Although62Mwasbeneficialforsoybeangrowthandhadthehighstsoy beanyield,tesallspacingbtweenmaizeplantsasotconducivetomaizeyield;teofigurationofitercroping toosofsoas withtworowsofmaizehadasideroweectandtheighestyield,utthumberofsoybeanrowsassallesuinginsignifcantlylower soybeanyieldtnothofiguratiosFromteperspetieoflandqualentatiodoniceneits,hofiguratioofnteoing 4rowsofsoybeansand2rowsofmaizehadnosignificantdiferencecomparedtomonocure,andthesobeanyieldwashiger,akigita recommended configuration.

KeywordsSoybean;Maize;Intercropping;Plant morphology;Yield

我國(guó)主糧作物基本自給自足,但大豆作為主要的油料作物,2020年大豆自給率不足 20% ,高度依賴進(jìn)口[1-3],為了保證我國(guó)大豆安全,發(fā)展國(guó)內(nèi)大豆產(chǎn)業(yè),提高大豆種植面積,提升大豆產(chǎn)能,成為近年來(lái)備受關(guān)注的問(wèn)題[4-5]。(剩余9431字)

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