锯末基质中氮磷钾施用量与番茄幼苗生长的关系

là ° ù:2003-03-10 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 450002)K1:ùî V( )V( F)V( ¿ç)=622¹É ¡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 3É9µÉr,¼ ì 3É¥r | %¿¥ £ Ü.® H,¼ ì 3É Û¨ ¥9F7h ÐÚ H,¼ ì 3É5µÉT¨.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 (2004)01-0025-04Relationship between N,P and K application and the growth oftomato seedling sowed in the sawdust-rich substratesSUN Zhi-qiang ,LI Sheng-li, ZHANG Yan-ling(College of Forestry and Horticulture ,Henan Agric.Univ., Zhengzhou 450002, China)Abstract:The relationship between N,P and K application and the growth of tomato seedling sowed in the sub-strates with V(sawdust)V(vermiculate)V(fly-ash)=622 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 CO(NH2)2(2.4 kg·m-3)+ Ca(H2PO4)2·H2O+CaSO4·H2O (29.5kg·m-3).N×P 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 words:sawdust;tomato ;seedling substrates;fertilizingýÌÄ vâ ì/ ùî,¿¿M.dâ ìZ TF ÎáS ÖÄ“ÿâ ì8“¥?Z, µ×1il. v!Aâ ì¥rT#ZEXµBtùîС 1, 2 .!Aâ ìiî'Ú、 T© Ä.yN,ùîeL¥ gZE A.µ¡ ª¹Bt ? z¥µÉ¹öâ ì H,¨!A9Ã,|Bç¥g °¤ ÆÉó ( ,ç ù ÆgA, b £9Ó ? |¤ z¥â ìrT, H Vvv®/ 4 3Áî' 3, 4 .aZ© 5V(¤)V( F)=73T¹É,½3â ìÏN、P、K¥KD £ ÜÉ ùî.ñ¤© 6V( èû)V ( ì)=31¹âìÉ,ùî N、P!Û(¼ ì ÿ·S¥Y.®¿É, ØÄɵsv, î1 p¥gA iv¥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“¥BQA÷, ð (A÷. ª ü¾ÉÏ, YI N¼ ìÔÚ¥Kö1y Í, kS¶ =éÚÐg¥ ¨ î°L1“.2.2 I N¼ ìÔY、= ëÄÉ ÐK¥1“ÔYÐK ¨ µ Â/1“ T:Y2 = 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“ T:Y3 = 10.205 +0.658X1 +0.173X2 +0.006X3 -0.090X12 -0.037X22 +0.011X32 +0.210X1X2 -0.015X1X3 -0.018X2X3 . (3)¼ ìÄÉ ÐK ¨ µ Â/1“ T:Y4 =123.095 +44.191X1 +9.403X2 -0.150X3 -5.599X12 -1.675X22 +0.588X32 +13.500X1X2 -1.450X1X3 -1.300X2X3 . (4)Zñ(2)、(3)(4)¥F_ (rA÷ £ Ü,> E_A÷, ? L¹QK ¨ ÐÔY、= ëÄÉ ¥1“.òíB“ ÉF©,²T¥BQºTA÷,¥BQA÷. ª ü,'ÉÏ,、# ºTI N¼ ìÔY、= ëÄÉ (µ vY. kS¶ =,¼ ìÔY、= ëÄÉ Ð¥ ¨ ïM1, OL1“¹ö.sYI ´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 µÅT¨, Û¨ ¥9F,ÔY、= ëÄÉ ïv®7Ú £ Ü/, Ø5 Û¨ ¥9F79F, OÄÉ ¥Yv¿ÔY= ë.KDF (CI ´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“ T:m1 ºT¼ ìÔY¥YFig .1 The effects of N×P on seedlings stem diameterY5 = 1.285 + 0.480X1 + 0.110X2 +0.005X3 -0.033X12 -0.028X22 +0.002X32 +0.153X1X2 -0.010X1X3 -0.013X2X3 . (5)Zñ(5)¥F_rA÷ £ Ü, > E_A÷.òíB“ ÉF©,²T、¥BQ#ºT (A÷, ª ü、# ºT¼ ì7É (µvY. kS¶ =,、м ì7É ï°LM1,BçS¶ = V?Ã9F ¨ .ºT¥ÉBs(m3) V A,® £ Ü/,±é7É µÅT¨, 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 N×P on the seedlings dry mass27»1 ù äÍ E_A÷, ª üZñ(6) ? L¹Q ì· ÐK ¨ ¥1“.òíB“ ÉF_,²T¥=Q¥BQA÷,¥BQºTA÷. ª ü, ì· µ×1¥Y,7 O ì· Ð¥ ¨ ï=Q 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 N×P on the good seedlings index3 ² V( )V( F)V( ¿ç)=622ÉÏ,¥ ¨ 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¥ 3É+¬ÀµY, V ? ®¿ ì ù³K M ,7¯ÉÏcµ¥K(µrK 222 mg/kg)' V ¡¼ ì¥ 3ɳ1.V( )V( F)V( ¿ç)=622ÉÏ,、ºTI N¼ ì 3ÉYA÷. kS¶ =,¼ ì 3É Û¨¥9Fï°L9F.ºT¼ ì 3ɵÉr,¥ £ Ü,¼ ì 3É¥Y9µ î.® H,¼ ì 3ɵÅT¨,±é 3ÉÛ¥9F7h ÐÚ H,±é 3É5 Û¥9F79F.K¾Éϼ ì¥ 3É+¬ 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_,yN1l1¨ Éâ ì H, gWï ùÑV10 d. IÓD: 1 ëk;. v!Aâ ì¥ùî J . + jÐýÐ,1979,(1):48-59. 2 ëk;, ÙÝ,yy +. v!Aâ ì¥ùî J .óÐ,1982, 9(3):37-43. 3 ç£,Û .­, ,©.ÉHq/ N0 ìù g ùî J .ÏS v, 1996,(4):16-18. 4 i, £ b, >ã. NT Ë vâ ìÉ g ¥ùî J .ÏS v, 1994,(6):13-15. 5 aZ, ³ð Ü,çÏ ,©.½3Äâ ìKD!Hqùî J .¿ jÐ,1988,3(3):91-97. 6 ñ¤, > £.、Û(¼ ì ÿ·SY¥ùî J .Zó, 1995,(4):23-25. 7 WORRAL R.Composting wood wastes for potting mixes J .Australian Horticulture, 1985,9(2):34-37. 8 BYRNE P J , BCARTY.Development in the measurements ofair-filled porosity of peat substrates J .Acta Horticulturae,1989, (366):257-264. 9 Ù 7.r j<È?sZE M .Ø: SÐñ,1983.25-68.【3 ©I 柴 焰】28 ¿ 2 j < v Ð Ð (1 S Ð ñ)»25