密度、施肥對(duì)不同分蘗特性小麥群體的影響.pdf

1、貴州大學(xué)碩士學(xué)位論文密度、施肥對(duì)不同分蘗特性小麥群體的影響姓名：王偉申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：作物栽培學(xué)與耕作學(xué)指導(dǎo)教師：趙致20080601密度、旌肥對(duì)不同分蘗特件小麥群體的影響StudyonColonyCharacteristicAmongDifferentEmergenceAbi1itywheatVarietybyDensityandFerti1izerControlWmagWei(DepartmentofAgronomy，GuiZ

2、houUniversity，550025)Abstract：Thestudyonthecolonycharacteristicamongthe4factorsofcultivatingmeasurementsonfivedifferentemergenceabi1itywheatvarietybyapplyingthedesignofperpendicularityrotationalcombinationTheresultsgetth

3、emaineffectivefactorsofwheatcolonygrowingandparsethosegrouptargetsincludethetime1imitofgroupscompletion，the1imitofgroups，volumeofeffectiveear，volumeofindividualturntoearBycontrastedyieldandqualitFofthosedifferentemergenc

4、eabilityvarieties，weestablishedsomeschemeofplantingasflows1，ThefirstvarietiesemergencelatelywhichisQianMai15，thetimeislonglywhenitreachthethe1imitofgroups。andtherateofspikeishighTheaffectingofpilotfactorsarebasicseedling

5、NPzOsKzOTheschemeofplantinginclude：fundamentalseeding9381to14371kg／ha，N—fertilizerfertilizer2132to25589kg／hm2，P—fertilizer52204to77426kg／ha，K—fertilizer8294to15032kg／ha2，ThesecondtypevarietiesemergenceearlierwhichisOianM

6、ail6，thetimeisshortlywhenitreachthethe1imitofgroups，andtherateofspikeismoderateTheinfluenceofpilotfactorsisbasicseedlingNP2虢K20Theschemeofplantinginclude：fundamentalseeding9381to14371kg／ha，N—fertilizer21320to25589kg／ha，P

7、—fertilizer52204to77426kg／haK—fertilizer8294to15032kg／ha3，ThethirdtypevarietiesemergencelatelywhichisCaoXuan5，thetimeisshortiywhenitreachthethe1imitofgroups，andtherateofspikeisverylowlybecauseofalargenumberemergencedeadi

8、nearingstage，soit’sspikedependonthecaulisTheaffectingofpilotfactorsisbasicseedlingN=Pz05KzOTheschemeofplantinginclude：fundamentalseeding9381to14371kg／ha，N—fertilizer213，2to255。89kg／ha。P—fertilizer52204to77426kg／ha，K——fer

9、tilizer8294to15032kg／ha4，ThefourthlyvarietiesemergenceearlierwhichisZaoMail6，thetimeisIongIywhenitreachthe1imitofgroups，andtherateofspikeishightheaffectingofpilotfactorsarebasicseedlingNPz05K20Theschemeofplantingincludes

10、：fundamentalseeding6578to7427kg／ha，N—fertilizer16354to18705kg／ha，P—fertilizer76895to84293kg／ha。K—fertilizer19684to22271kg／ha5，thefifthsvarietiesemergenceearlyierlywhichis0310，thetimeislonglywhenitreachthethe1imitofgroups

11、，andtherateofspikeisverylowlybecauseofa]argenumberemergencedeadinearingstage，soitsspikedependonthecaulis，theaffectingofpilotfactorsisbasicseedlingNKzOPzOsTheschemeofplantinginclude：fundamentalseedin95829to6683kg／ha，N—fer