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1、,:一植物营养与肥料学报期814(6)1861192Pl即tNutritionzereeandFe币liScinc风化煤复合包裹控释肥对小麦生长发育及土壤酶活性的影响‘,,,,2,‘,,’,‘’2,党建友王秀斌装雪霞杨峰程麦凤王妓爱张定一,,(l山西省农科院小麦研究所山西临汾以1仪X);2中国农业科学院农业资源与农业区划研究所北京1(XX)81),、、:通过田间试验研究了风化煤复合包裹控释肥对小麦产量P摘共叶片净光合速率(n)植株干重及养分和土壤速。,施用控释肥的小麦产量均较,效养分及醉活性的影
2、响结果表明不施肥(CK)和氮磷钾配施(NPK)的升高结构改。N,;6.69%.。善与PK相比成德数降低千粒重和称粒数提高等养分量控释肥增产一1692%控释肥使冬小麦中后、、;。期叶片Pn植株干重全N和全K含量提高等养分量控释肥较NPK处理子粒蛋白质含量提高与NPK处理相,、,,比控释肥处理土集速效养分在冬小麦生长发育前期低中后期高同时提高了土壤酶活性有利于小麦养分吸收,。cR,与运转使得肥料利用率提高供试控释肥中以水玻璃控释材料包裹的控释肥(wF)效果最好明显激活了土壤,,小麦、。醉活性使土壤养
3、分供应充足生长发育后期叶片入干重及养分含量及子粒产量最高:;;;关扭询风化煤复合包裹控释肥冬小麦生长发育土壤酶活性:.;.:一中国分类号514555121文献标识码^文章绷号:l(X)8505X《2(X)8)06一186一7eaerco·eoaEfectofwthedaibasedtedfert址zeron初nterwheatgro叭沈handsonenZ扣.eactivity·n^NGJi一you,,wu一,1xue-石a几2,I,ai一ngl,,^Ne兀binZ咫YANere鸣eHENeMf
4、eWail,yil甘ANGJiao-zHGDi哈ANatROe,山“1Ac山众爪了,n,,;(I不触arc八加‘晓弘of月『初政盯以反左砂5杨nxi041次及,Ch二Zh肠心触of月矛交政毋以Res。~。耐双电匆耐尸如丽咭~,C凡今S,&乒呀I之入叉沼I,Ch。)一A加。,ct:Controlledrelefertilizer(CRF)hasedasaential叩proaehtosolvingtheproblemsassociatedwithaseme卿pote.,-thapplieation
5、OfeonventionalfertilizersIteanirovefertilizeruseeieneyreduee叩plieationtisandenviron帅efimeenuton.eo一一,,mtpoliTh溉ntrolledreleasefertilizerseoated初thteeontmlledreleaseerialsmodifiedshresin城mat恤,,,,.andwater砂asseoined袱thweatheredewereealedasMCRFRCRFandWC
6、RFetivelyThetreatntsmboal。伴me,,,,,we二nofe胜ilizer(CK)Nfe币lize。(N)MCRF,RCRF,WCRF,(whiehusedequivalentNetoNpKPKPKPKratnt,,,e.一t)MCRFZRCRFZWCRFZ(whihused80%NpKtoNpKtreatnt)Efeetsofweatheredcoalbasedreatmerateme,,,,-eoatedfertilizeronwheat如eldlnetphotosyn
7、thesis(Pn)Plantd叮weightplantnutrienteontent5011availablenueaf.,,trientsand5011enzymeactivitywe二studiedResultsshowedthatCaieationiroved户eldeomponentsandsoRFPlmP.,-yieldwasinereasedeodwithCKandNPKtreatntsCodwithNtreatmentCRFdeereasedspikenum呷areme呷毗PK,
8、一.,,bers碘rheetinereasedl《XM)kemelweiandgrains伴rspikeYieldOfCRFI(ineludedMCRF,RCRF,arebutght...WCRF:)wereinereased669%一1692%overNpKtreatntCRFinereasedleafpnin而ddleandlaterst昭eofmeeat,,.whplantd叮weightandnutrienteontentsandinereasedgrainproteineonlento
