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là ° ù2003-03-10 Teº孙治强1956-,男,教授.Á[ “河南省重大科技攻关项目012201220 ÉÏK ¨ ÐI N¼ ì 3É¥1“孙治强,李胜利,张艳玲河南农业大学林学园艺学院,河南郑州 450002K1ùî [V ∶V F∶V ¿ç6∶2∶2¹É ¡âI N¼ ì H,ÉÏK ¨ м ì 3É¥1“.²TV ü,、ºT¼ ì 3ÉY v, kS¶ ,¼ ì 3É Û¨ ¥9F79F,î°L1“,¼ ìò·S U Í2.4 kg·m-3,VÖÁ29.5 kg·m -3 HrKv´.ºT¼ ì 3É9µ\Ér,¼ ì 3É¥r | ¿¥ £ Ü.® H,¼ ì 3É Û¨ ¥9F7h Ð;Ú H,¼ ì 3É5µ\ÉT¨.K¼ ì¥ 3É ÀµY, îµ ÊíB“ A÷.yN, [¾É ¡âI N ì H, V¨¯gA9} A.1oM ;I N;â ìÉ; gÏms Ë|S641.2 ÓDS M A ÓcI|1001-411X 200401-0025-04Relationship between N,P and K application and the growth oftomato seedling sowed in the sawdust-rich substratesSUN Zhi-qiang ,LI Sheng-li, ZHANG Yan-lingCollege of Forestry and Horticulture ,Henan Agric.Univ., Zhengzhou 450002, ChinaAbstractThe relationship between N,P and K application and the growth of tomato seedling sowed in the sub-strates with Vsawdust∶Vvermiculate∶Vfly-ash6∶2∶2 was studied.The results showed that thegrowth of tomato seedling were greatly affected by N , P and N P.Within the test levels, all the growth pa-rameters of tomato seedling increased linearly with the increased application of N and P.The maximum valuesof these parameters were obtained at CONH222.4 kg·m-3[ CaH2PO42·H2OCaSO4·H2O] 29.5kg·m-3.NP also promoted the growth of tomato seedling , but the effects of P on tomato seedling growthwere based on the level of N application.At low N level, P weakened the growth of tomato seedlings, while athigh N level, P promoted the seedlings growth.K had no significant effects on tomato seedlings growth and thepartial regression coefficients between them were insignificance .So in this substrates, complete nutrients canbe substituted by N and P nutrients.Key wordssawdust;tomato ;seedling substrates;fertilizingýÌÄ vâ ì/ ùî,¿¿M.dâ ìZ TF ÎáS ÖÄ“ÿâ ì8“¥Z, µ1il. vAâ ì¥rTZEXµBtùîС[ 1, 2] .Aâ ìi î Ú、 T© Ä.yN,ùîeL¥ gZE ] A.µ¡ ª¹ [Bt z¥µÉ¹öâ ì H,¨A9Ã,|Bç¥g °¤ ÆÉó ,ç ù ÆgA,[ b £9Ã]“ |¤ z¥â ìrT,] H Vvv®/ 4 3Áî [ 3, 4] .aZ©[ 5][V¤∶V F7∶3T¹É,½3â ìÏN、P、K¥KD £ ÜÉ ùî.ñ¤©[ 6][V èû∶V ì3∶1¹âìÉ,ùî N、PÛ¼ ì ÿ·S¥Y.®¿É], ØÄɵsv, î1 p¥gA i v¥µY. k ñÊ[ ¹ö¥I Nâ ìÉ ,É g k,[ â ìÉK ¨ ÐI N¼ ì 3É¥1“,¹ výÌÄâ ì 3Á4 Ø G .»25 »1 ù2004 M1¿ 2 j E_A÷.òíB“ ÉF©,²T“¥BQ[A÷, ð[ A÷. ª ü ¾ÉÏ, YI N¼ ìÔÚ¥Kö1y Í, kS¶ éÚÐg¥ ¨ î°L1“.2.2 I N¼ ìÔY、 ëÄÉ ÐK¥1“ÔYÐK ¨ µ Â/1“ TY2 1.879 0.246X1 0.069X2 0.019X3 -0.031X12 0.004X22 0.018X32 0.120X1X2 -0.008X1X3 -0.048X2X3 . 2 ëÐK ¨ µ Â/1“ TY3 10.205 0.658X1 0.173X2 0.006X3 -0.090X12 -0.037X22 0.011X32 0.210X1X2 -0.015X1X3 -0.018X2X3 . 3¼ ìÄÉ ÐK ¨ µ Â/1“ TY4 123.095 44.191X1 9.403X2 -0.150X3 -5.599X12 -1.675X22 0.588X32 13.500X1X2 -1.450X1X3 -1.300X2X3 . 4Zñ2、34¥F_ r A÷ £ Ü, E_A÷, L¹QK ¨ ÐÔY、 ëÄÉ ¥1“.òíB“ ÉF©,²T¥BQ[ºT[ A÷,¥BQ[A÷. ª ü, ÉÏ,、 ºTI N¼ ìÔY、 ëÄÉ µ vY. kS¶ ,¼ ìÔY、 ëÄÉ Ð¥ ¨ ïM1, O[L1“¹ö.sY[I ´T¹Yy0ùî ºT¼ ì 3É ¥r,²TV ü,I N¼ ìÔYÄÉ Û¨ ¥9F79F, BçS¶ V[Ã9F ¨ .ºT¼ ìÔY、ÄÉ 989µ¥r,¼ ì 3É¥Y | ¿¥ £ Ü Âm1、2.® H,¼ ìÔÚ、 ëÄÉ µ]ÅT¨, Û¨ ¥9F,ÔY、 ëÄÉ ïv®;7 Ú £ Ü/, Ø5 Û¨ ¥9F79F, OÄÉ ¥Yv¿ÔY ë.KDF C I ´¹1.682 H U Í2.4kg·m-3 ,VÖÁ29.5 kg·m-3.2.3 I N¼ ì7É ÐK¥1“¼ ì7É ÐK ¨ µ Â/1“ Tm1 ºT¼ ìÔY¥YFig .1 The effects of NP on seedlings stem diameterY5 1.285 0.480X1 0.110X2 0.005X3 -0.033X12 -0.028X22 0.002X32 0.153X1X2 -0.010X1X3 -0.013X2X3 . 5Zñ5¥F_r A÷ £ Ü, E_A÷.òíB“ ÉF©,²T、¥BQ[ºT[ A÷, ª ü、 ºT¼ ì7É µvY. kS¶ ,、м ì7É ï°LM1, BçS¶ V[Ã9F ¨ .ºT¥ÉBsm3 V[ A,® £ Ü/,±é7É µ]ÅT¨, Û¨ ¥9F,±é7É /, Ú £ Ü/,±é7É 5 Û¨ ¥9F79F.I ´1.682 U Í2.4 kg/m3、I ´1.682 VÖÁ29.5 kg/m3 HrKv´.m2 ºT¼ ìÄÉ ¥YFig.2 The effects of NP on the seedlings dry mass27»1 ù äÍ E_A÷, ª üZñ6 L¹Q ì· ÐK ¨ ¥1“.òíB“ ÉF_,²T¥Q[¥BQ[A÷,¥BQ[ºT A÷. ª ü, ì· µ1¥Y,7 O ì· Ð¥ ¨ ïQ wL1“m4,Ú H ì· 9F¥®. ì· Ð¥ ¨ ¯ï°L1“.ºT¼ ì ì· ¥YÐÔY、±é7É ÄÉ ©µM] t ].m4 ºT¼ ì ì· ¥YFig.4 The effiects of NP on the good seedlings index3 ² V ∶V F∶V ¿ç6∶2∶2ÉÏ,¥ ¨ I N¼ ì¥ 3ɵ vY. kS¶ ,¼ ì 3É Û¨ ¥9F79F, ª ü¾Éc ,³v gg,yN,[¾Éâ ì H,1 j¥ ¨. 6ñZñÏ,¥ ÊíB“ v¿K¥ ÊíB“ ,K¥ îµ ÊíB“ A÷, ª ü¼ ì 3É¥Yv¿K,K¼ ì¥ 3ɬÀµY, V ®¿ ì ù³K M ,7¯ÉÏcµ¥KµrK 222 mg/kg V[ ¡¼ ì¥ 3ɳ1.V ∶V F∶V ¿ç6∶2∶2ÉÏ,、ºTI N¼ ì 3ÉYA÷. kS¶ ,¼ ì 3É Û¨¥9Fï°L9F.ºT¼ ì 3ɵ\Ér,¥ £ Ü],¼ ì 3É¥Y9µ î].® H,¼ ì 3ɵ]ÅT¨,±é 3ÉÛ¥9F7h Ð;Ú H,±é 3É5 Û¥9F79F.K¾Éϼ ì¥ 3ɬ ÀµY, îµ ÊíB“ A÷. LlÏ,[ ¹ÉâI Nì H,Ç ¨¯g¯A Vr ¡â ì¥ “¥. k g k H,CWï10 d H®g صÛÄ 3ÉT¸ t_,yN 1l1¨ Éâ ì H, gWï ùÑV10 d. IÓD[ 1] ëk;. vAâ ì¥ùî[ J] . jÐýÐ,1979,148-59.[ 2] ëk;, ÙÝ,yy . vAâ ì¥ùî[ J] .ó\Ð,1982, 9337-43.[ 3] ç£,Û ., ,©.ÉHq/ N0 ìù g ùî[ J] .ÏS v, 1996,416-18.[ 4] i, £ b, ã. NT Ë vâ ìÉ g ¥ùî[ J] .ÏS v, 1994,613-15.[ 5] aZ, ³ð Ü,çÏ ,©.½3Äâ ìKDHqùî[ J] .¿ jÐ,1988,3391-97.[ 6] ñ¤, £.、Û¼ ì ÿ·SY¥ùî[ J] .Zó\, 1995,423-25.[ 7] WORRAL R.Composting wood wastes for potting mixes[ J] .Australian Horticulture, 1985,9234-37.[ 8] BYRNE P J , BCARTY.Development in the measurements ofair-filled porosity of peat substrates[ J] .Acta Horticulturae,1989, 366257-264.[ 9] Ù 7.r jÈsZE[ M] .Ø SÐñ,1983.25-68.【3 ©I 柴 焰】28 ¿ 2 j v Ð Ð 1 S Ð ñ»25
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