農(nóng)學(xué)考試練習(xí)題ppt課件

1、部分習(xí)題部分習(xí)題P47/1(1)總體是指所研討的金針蟲總體；總體是指所研討的金針蟲總體；(2)樣本是指從金針蟲總體中隨機(jī)抽取的樣本是指從金針蟲總體中隨機(jī)抽取的6個(gè)個(gè)體組成個(gè)個(gè)體組成的樣本；的樣本；(3)變數(shù)是指金針蟲的頭數(shù)；變數(shù)是指金針蟲的頭數(shù)；(4)察看值是指變數(shù)的察看值是指變數(shù)的6個(gè)取值為個(gè)取值為6個(gè)察看值。個(gè)察看值。組組 限限組中值（組中值（y）劃線計(jì)數(shù)劃線計(jì)數(shù) 次數(shù)（次數(shù)（）24.5 27.526227.5 30.529 730.5 33.532 2433.5 36.535 4136.5 39.538 2139.5 42.541442.5 45.54445.5 48.5471P47/2

2、 極差=46-26=20；組數(shù)=7；組距=20/7=2.85713 100個(gè)小區(qū)水稻產(chǎn)量資料的次數(shù)分布表 100個(gè)小區(qū)水稻產(chǎn)量資料的方柱形圖P47/3P47/4直接法:222222/(374634)/1003485/10034.85() /374634 )3485 /1003.221100 1yy nyynSn222/(2 267 291 47)/1003467/10034.67() /1212973467 /1003.331100 1yfyffyfyfSf P47/5等級差法: 假定y0=35，02222 ( 3)7 ( 2)1 435334.67100() /123( 11) /10033

3、.331100 1fdyyinfdfdnSin P47/6BS24：金皇后：金皇后：11112221111111122 184/(192119)/1020() /4014200 /101.247110 1100%1.247/20 100%6.24%RyynyynSnSCVy22222222222222226 15 11/(16 2119)/1020() /4104 200 /103.399110 1100%3.399/20 100% 16.99%RyynyynSnSCVyP47/7 10株小麥的分蘗數(shù)為：3，6，2，5，3，3，4，3，4，3。 n=10，y3=2，y7=4，y2-1=y1=3

4、，y21=61=5P47/802222(363)/1036/103.6()(33.6)(63.6)(33.6)033624() /14236 /101.381.17110 1dyyyMMRyynSSnP72/2(28)0.7(19)0.9(24)68 (24)(68)0.30.30.682(24)37 0.210852()(3)0.2105pypypyypypypyypp或()與()奇數(shù)被 整除P72/3 在回交后代在回交后代200株中，雜株中，雜合體非糯稻與純合體糯稻出合體非糯稻與純合體糯稻出現(xiàn)的概率各為現(xiàn)的概率各為1/2，即雜合體，即雜合體非糯稻與純合體糯稻各有非糯稻與純合體糯稻各有100

5、株。株。 F1自交得自交得F2代的分別作代的分別作3:1遺傳比率，即非糯稻為遺傳比率，即非糯稻為0.75，糯稻為，糯稻為0.25，這一分布屬離散型隨機(jī)變數(shù)的概，這一分布屬離散型隨機(jī)變數(shù)的概率分布率分布二項(xiàng)式分布。二項(xiàng)式分布。WxWxwxwxWxwxwxwxWxwxwxwx121220.750.75 0.250.1875ppq P72/4非糯稻：Np=20000.75=1500；糯稻：Nq=20000.25=500受害株數(shù)概率函數(shù)P(y)P(0)0.00100.00100.40P(1)0.01460.01565.84P(2)0.08790.103535.16P(3)0.26370.3672105

6、.48P(4)0.39550.7627158.20P(5)0.23731.000094.92調(diào)查單位為調(diào)查單位為5株的概率分布表株的概率分布表(p=0.75，q=0.25，n=400)400.00( )( )( )yyn ynC p qp yF ynp y0055114522353325441555050.750.250.750.250.750.250.750.250.750.250.750.25CCCCCC樣本平均數(shù)(成數(shù))的抽樣分布:樣本總和數(shù)(次數(shù))的抽樣分布: 20.75/0.75 0.25/50.0375ppppq n25 0.753.755 0.75 0.250.9375npnpn

7、pnpq P73/6(1.17)1(1.17)1 0.87900.1210(1.17)0.8790(1.17)0.1210(0.421.61)(1.61)(0.42)0.94630.66280.2835( 1.610.42)(0.42)(1.61)0.33720.05370.2835p up up up upup up upup up u 11( 1.610.42)(0.42)(1.61)0.66280.05370.6091(1.05)1 (1.05)(1.05)1 (0.8531 0.1469)0.2938(1.05)2(1.05)2 0.14690.2938(1.05)0.8531 0.1

8、4690.7062()0.051pup up up up up up up up up uuu 11.9599641.96()0.0251.9599641.96p uuuP73/7 N(16，4)112112(1020)( 32)0.97730.00140.9759(12)(2)0.0228(20)1(2)10.97720.0228()0.500.6745160.674514.6517.352()0.951.96161.9612.0819.922pypup yp up yp up uuuyyyp uuuyyy=-=-= -=-=-=-=-=P73/8 N=5，n=2222222525(1234

9、5)/53() /5515 /52.052.01.414nNyyNNmsss=+=-=邋次數(shù)（）1.011.522.032.543.053.544.034.525.0152個(gè)樣本平均數(shù)分布的次數(shù)分布表個(gè)樣本平均數(shù)分布的次數(shù)分布表y 52個(gè)樣本平均數(shù)分布的次數(shù)分布圖 平均數(shù)分布的方柱形圖作正態(tài)分布。由由25個(gè)平均數(shù)構(gòu)成的新總體平均數(shù)與方差個(gè)平均數(shù)構(gòu)成的新總體平均數(shù)與方差:222222/75/253() /25075 /251.0253/2/21.0yyyyf yff yf yffnmsmmss=-=邋邋P73/9 22222/ppn pn pppqpnpq nnnpnnpqP73/10 結(jié)果為：

10、0，1，0，0，1，1，0，1，1，02222/(010)/100.5()(00.5)(10.5)(00.5)0.5100.5/0.50.5/40.2540.52.040.50.51.0ppnpnpy nyNpq nnnpqmmsmmsmms=+=-+-+-=創(chuàng)=P97/40.01120.0512153.752.58161402.58130.325149.6753.75130.325149.675151.501.961001001.9697.06102.941.5097.06102.94yyunyyyyyunyyyyy 或或P97/5否認(rèn)無效假設(shè)，接受備擇假設(shè)。否認(rèn)無效假設(shè)，接受備擇假設(shè)。02

11、222220.01,9:2.50:2.50(2.38 2.382.41)/1023.90/102.39() /2.382.382.4123.9 /100.068110 10.0680.02102.39 2.505.513.2500.02AyHHyyynSnSSnttP97/6 否認(rèn)否認(rèn)H0接受接受H01201212121212212120.05,(5)0.05,(5):5437.605.276.504.596.504.592.218(4 1)(3 1)2.2182.2187.605.271.142.04431.142.015()2.571()AeyyHHnnyySSSSSSSSSSttt 一尾

12、概率二尾概率P97/7 接受接受H01222112212012120.052461580813:0:01.9624803.746815 130.5343.74AyynynyHHuu P97/8 接受接受H0121222111222012120.05(15)222112212111263040112245:4:42.1315 40 10 4543.335 1043.3343.333.34611()()(3022)41.203.34AeyyyynySnySHHtSSSSyytS P97/9 0.050.05212(29.8, 2.25)101.961.64()2.250.47431029.81.9

13、628.8730.730.474328.8730.7329.81.6430.5830.580.4743yNnuunyyyyyyyy 一尾或0.050.05212(29.8, 2.25)1001.961.64()2.250.1510029.81.9629.5130.090.1529.5130.0929.81.6430.0530.050.15yNnuunyyyyyyyy 一尾或00.052:29.8:29.81.64()2.252030.10.33542030.1 29.80.890.335430.1 29.81.962.25/96AyyHHunyuyyunnn 一尾接受接受H0P97/10 00

14、.05(9)2220:0:02.262(325)/1031/103.1() /16931 /100.90(1)10 (10 1)3.13.4440.90dAddHHtdddnSn ntH 否定去 雄28303135303430283432未去雄25282929312528273227d3226-192125否認(rèn)否認(rèn)H010.0520.053.12.262 0.901.13.12.262 0.905.1ddLdtSLdtS12012120.05(18)221122222112212:0:02.10131.26.1828.15.219 6.189 5.215.695991131.228.15.69

15、5 ()1.0672.90510101.067AeyyHHtySySSSSSt 去 雄28303135303430283432未去雄25282929312528273227 成組數(shù)據(jù)(t=2.905)成對數(shù)據(jù)(t=3.444)，即成組數(shù)據(jù)容易犯第二類錯(cuò)誤。121210.051220.0512()(31.228.1)2.101 1.0670.9()(31.228.1)2.101 1.0675.3yyyyLyytSLyytS10.0520.053.12.262 0.901.13.12.262 0.905.1ddLdtSLdtSP97/11 12012120.0512:0:01.9642/2000.

16、2127/1500.1842270.19711 0.19710.8029200 150110.1971 0.80290.0432001500.21 0.180.6980.043AppHppHppupppqSu 接受接受H0令令屬真實(shí)差別屬真實(shí)差別12nnn0.21 0.180.031212120.21 0.181.961111()0.1971 0.8029ppppppuSp qnnnn121350nnnP127/5 4組數(shù)據(jù)編 號Ti ni 1 2 3 4 5 6 7 8 組1 8 10 1 6 4 7 8 2 46 5.75 8 組2 9 2 11 5.50 2 組3 6 5 0 7 3 7

17、 28 4.67 6 組4 16 8 6 11 41 10.25 4iy1266.320iTyn組1組2組3組42222222122222111222222222232222233324222222444126793.82081011793.8270.20810246 /869.59211 /224.565728 /637.3316861141 /4iTeeeeTCnSSyCySSynySSynySSynySSsyn56.7569.5024.5037.33 56.75188.08eSS兩種計(jì)算方法結(jié)果完全一樣。與總變異平方和完全一樣。2222222222()8 (5.756.3)2 (5.56

18、.3)6 (4.676.3)4 (10.256.3)82.1246112841793.882.128264tiiitiSSn yyTSSCn 82.12188.08270.20teTSSSSSS種植密度(株、667)千 粒 重 123420002472582562511012253400023824424623696424160002142272212188802208000210204200210824206測定4種密度下金皇后玉米的千粒重結(jié)果P128/6 iyiT3680230Ty2222222222214 4 11514 13(1)4 (4 1)123680846400162472582

19、10560810129648808245304456085304304TteTiteTtDFnkDFkDFk nTCnkSSyCCTSSCCnSSSSSS 方 差 分 析 表25.332.524eMSSEn變異來源DF SS MS F F0.05 F0.01 處 理 間35304176869.79* 3.495.95誤 差1230425.33 總 變 異155608 種植密度的差別顯著性(SSR檢驗(yàn))結(jié)論：金皇后玉米的千粒重在不同的密度下有極顯著結(jié)論：金皇后玉米的千粒重在不同的密度下有極顯著的差別，種植密度愈高千粒重愈低。的差別，種植密度愈高千粒重愈低。p SSR0.05SSR0.01LSR0

20、.05LSR0.0123.084.327.7610.8933.234.558.1411.4743.334.688.3911.79 處 理 平均千粒重 差異顯著性 5% 1% 2000 253 a A 4000 241 b B 6000 220 c C 8000 206 d D P128/7 3個(gè)稻田的農(nóng)藥殘留量iyT=27.01213 3 2 11713 12(1)3 (3 1)6(1)3 3 (2 1)9TteeDFlmnDFlDFl mDFlm n 稻 田123水 樣123123123殘留量1.11.31.21.31.31.41.82.12.21.21.11.01.41.51.22.02.

21、01.9水樣Tij2.32.42.22.72.82.63.84.14.1稻田Ti6.98.112.0稻田平均1.151.352.00222222222222222122227.040.5181.11.31.940.543.0840.52.586.98.112.040.5642.8740.52.372.32.44.142.87242.9242.870.0543.0842TitijieijeTClmnSSyCTSSCmnTTSSnmnTSSyn.920.16方差分析表變異來源DFSSMSFF0.05F0.01稻 田 間22.371.19148.7*5.1410.92水 樣 間60.050.0081

22、水 樣 內(nèi)90.160.018總 變 異172.5810.0080.03656eMSSEmn 種植密度的差別顯著性(SSR檢驗(yàn))結(jié)論：水樣間無顯著差別；稻田間有極顯著的差別，結(jié)論：水樣間無顯著差別；稻田間有極顯著的差別，稻田稻田3農(nóng)藥污染最重，稻田農(nóng)藥污染最重，稻田2次之，稻田次之，稻田1最輕。最輕。p SSR0.05SSR0.01LSR0.05LSR0.0123.465.240.12630.191333.585.510.13070.2019處 理 平均殘留量 差異顯著性 5% 1% 稻 田 3 2.00 a A 稻 田 2 1.35 b B 稻 田 1 1.15 c C P128/8 5個(gè)水

23、稻種類干物質(zhì)的干物質(zhì)積累量525517.4lmnT品種樣點(diǎn)干物質(zhì)重量TijTi甲17.88.99.211.410.547.899.29.92212.110.68.79.910.151.4乙37.48.88.97.89.842.776.47.6446.26.65.37.58.133.7丙512.610.211.411.812.158.1126.112.61615.215.112.312.512.968.0丁75.84.76.67.47.932.468.86.8886.46.88.17.27.936.4戊913.815.113.412.616.671.5146.914.691011.717.215

24、.615.115.871.4iy122222222222215 2 5 14915 14(1)5 (2 1)5(1)5 2 (5 1)40517.45354.0552507.88.915.85880.62 5354.0552526.564899.276.4126.168.81TteeTitDFlmnDFlDFl mDFlm nTClmnSSyCCTSSCmn 222222122246.9105789.1860 5354.0552435.130847.851.475.45789.186055811.5040 5789.186022.31805880.62 5811.50469.1160ijiei

25、jeCTTSSnmnTSSyn方差分析表14.46360.668110eMSSEmn變異來源DFSSMSFF0.05F0.01品 種 間4435.1308108.782724.37*5.1911.39樣 點(diǎn) 間522.31804.46362.58*2.453.51樣 點(diǎn) 內(nèi)4069.11601.7279總 變 異49526.5648 5個(gè)水稻種類干物質(zhì)的差別顯著性(SSR檢驗(yàn))結(jié)論：結(jié)論：5個(gè)水稻種類間有極顯著的差別。其中，戊與丙、甲與個(gè)水稻種類間有極顯著的差別。其中，戊與丙、甲與乙、乙與丁間無顯著差別；戊與甲、乙、丁間達(dá)極顯著程度。乙、乙與丁間無顯著差別；戊與甲、乙、丁間達(dá)極顯著程度。p S

26、SR0.05SSR0.01LSR0.05LSR0.0123453.643.743.793.835.705.966.116.182.432.502.532.563.813.984.084.13處 理 平均干物質(zhì)量差異顯著性 5% 1% 戊丙甲乙丁14.6912.619.927.646.88a a b bc c A AB BC C CP128/9 5個(gè)小麥種類的黑穗病率%反正弦轉(zhuǎn)換2214 5 11914 13357.3(1)4 (5 1)166383.1620TteDFnkDFkTDFk nCnk ABCDABCD0.84.09.86.05.1311.5418.2414.183.81.956.2

27、79.811.247.9248.5663.290.00.766.07.00.004.8054.3315.346.03.510.384.614.1810.7818.7266.891.73.29.22.87.4910.3017.669.63Ti12.313.3151.5180.238.0445.34157.51169.33T=357.3T=410.22方差分析表方差分析表結(jié)論：種類間差別不顯著。結(jié)論：種類間差別不顯著。2222222220.84.02.86383.16 15132.65/(12.313.3151.5180.2 )/5 6383.16 4767.3315132.65 4767.33

28、10365.32TtieTtSSyCSSTn CSSSSSS變異來源DFSSMSFF0.05品 種 間34767.331589.112.45 3.24誤 差1610365.32647.83總 變 異1915132.65方差分析表方差分析表結(jié)論：數(shù)據(jù)轉(zhuǎn)換后結(jié)論：數(shù)據(jù)轉(zhuǎn)換后,種類間差別顯著。闡明轉(zhuǎn)換后各種類的均方種類間差別顯著。闡明轉(zhuǎn)換后各種類的均方得到改良，從而提高了檢驗(yàn)的靈敏度。得到改良，從而提高了檢驗(yàn)的靈敏度。22222222222/410.22 /208414.025.1311.549.638414.027750.90/(38.0445.34157.51169.33 )/5 8414.02

29、2982.947750.90 2982.944767.96TtieTtCTnkSSyCSSTn CSSSSSS變異來源DFSSMSFF0.05品 種 間32982.94994.313.34*3.24誤 差164767.96298.00總 變 異197750.09P143/1接受接受H0：差別不顯著：差別不顯著0220.975(9)0.025(9)22:3.6:3.60.052.7019.02(10 1)4.511.253.60.05AHHxxsxpP143/26個(gè)方差同質(zhì)性檢驗(yàn)的計(jì)算 133.644134.563.515714.0628214.27457.082.658210.6328316.

30、94467.762.829711.318841.2845.120.24690.987652.56410.240.94003.760062.0448.160.71292.8516 24282.9210.903443.61362222lnlniiiiiiiiSSSS2222220126126220.975(5)0.025(5)2222:,0.8312.83282.9211.788324ln24 ln11.788359.21061111111.09723(6 1) 444241(59.210643.6136)14.21521.0972AiipiipcHHxxSSSCxp 不全等0.05否認(rèn)否認(rèn)H0：

31、差別顯著：差別顯著P143/3檢驗(yàn)下表各樣本察看次數(shù)能否適宜各相應(yīng)的實(shí)際比率222222*22222232/3134 3 362/(3 170)1.129432/3240 3 1202/(3 360)12.89261 /76 561 /1322.7348158/15240 15 138/(15 253)0.3607ccccxAanxAanxA anxAan 樣本號理論比率觀察次數(shù)A an3:13:11:115:113424076240 36 120 56 13170360132253P144/4接受接受H0：差別不顯著：差別不顯著02220.05(2)22222:9:3:4:9:3:4348

32、115 1576205.993481151576200.04089/16 6203/16 6204/16 6200.05AiiHFHFnxaxnmnp分離符合的比率分離不符合的比率P144/5200個(gè)稻穗粒數(shù)分布與正態(tài)分布的適宜性檢驗(yàn)個(gè)稻穗粒數(shù)分布與正態(tài)分布的適宜性檢驗(yàn)220.05(9)20054.8510.081.954716.92nySxx每每 穗穗 粒粒 數(shù)數(shù)次數(shù)次數(shù)(O)理論次數(shù)理論次數(shù)(E)組限組限(y)組中點(diǎn)組中點(diǎn)25.530.5281-24.35-2.420.00781.560.201930.535.5333-19.35-1.920.01963.920.215935.540.53

33、810-15.35-1.420.050410.080.000640.545.54321-9.35-0.930.098419.680.087245.550.54832-4.35-0.430.157431.480.008650.555.553410.650.060.190338.060.227155.560.558385.650.560.188437.680.002760.565.5632510.651.060.143128.620.457965.570.5681615.651.550.084016.800.038170.575.573820.652.050.04048.080.000875.58

34、0.578325.652.540.01472.940.001280.585.583230.653.040.00551.110.7136yyyySp2xP144/6接受接受H0：差別不顯著：差別不顯著02220.05(3)2222212342222:9:3:3:1:9:3:3:11324238 142267.8116(339)916 (1323 423 389 14 )2260.64309 2260.05AHFHFnxaaaaxnnp 分離符合的比率分離不符合的比率P144/7雜交F3代在室內(nèi)與田間對某種病害反響的相關(guān)研討H0:兩個(gè)變數(shù)相互獨(dú)立；HA:兩個(gè)變數(shù)彼此相關(guān)222220.01(4)(1

35、42 37.99)(51 114.21)(17643.57)1127.9537.99114.2143.5713.280.05xxp否認(rèn)否認(rèn)H0：差別極顯著：差別極顯著田 間 反 應(yīng)溫 室 幼 苗 反 應(yīng)Ri抗 病分 離感 病抗 病142(37.99)51(114.21)3(43.80)R1=196分 離13(81.21)404(244.16)2(93.63)R2=419感 染2(37.80)17(113.63)176(43.57)R3=195CiC1=157C2=472C3=181n=810P144/8檢驗(yàn)以下4個(gè)樣本的分別能否一致符合3：1的分別比率222221.3255 13.333321

36、.373753.229289.26176903 2250.08203 91598.26170.082089.1797iTiTxxxx 20.05(1)20.05(2)20.05(3)3.845.997.81xxx樣本號理論比率觀 察 次 數(shù)Aan3:1134361701.32550.788228.383:124012036013.33330.666780.001:1765613221.37370.333332.2415:12401325353.22920.948612.34合合 計(jì)計(jì)6902259152x p npq6個(gè)方差同質(zhì)性檢驗(yàn)的計(jì)算否認(rèn)否認(rèn)H0：極顯著：極顯著22240847.0383

37、/91144.8376ln911 ln44.83763464.575911111111.00213(4 1) 1693591312529111(3464.57593226.6978)237.37961.0021pipSsCx 20.05(3)7.81x 128.37991694796.20313.3457565.4201279.996035928718.56404.38201573.1296332.24161314223.64963.4733454.9967412.33582523108.62162.5125633.1514 91140847.038313.71353226.69782222l

38、nlniiiiiiiiSSSSP246/12.6一一1.F檢驗(yàn)檢驗(yàn) 表表 1 1 方差分析表方差分析表變異來變異來源源平方和平方和自由度自由度均方均方F F值值0.050.050.010.01區(qū)組間區(qū)組間0.27120.27123 30.09040.09041.0631.0633.293.295.425.42處理間處理間8.97218.97215 51.79441.794421.0921.092.902.904.564.56誤差誤差1.27621.276215150.08510.0851總變異總變異10.519610.519623232.多重比較多重比較處理處理均值均值5%5%顯著顯著水平水平

39、1%1%極顯著水平極顯著水平處理處理6 67.5500007.550000 a aA A處理處理5 57.1257.125 ababABAB處理處理3 36.9000006.900000 b b BCBC處理處理1 16.456.45 c c CDCD處理處理2 26.26.2 c c DEDE處理處理4 45.75.7 d d E E二二1.F檢驗(yàn)檢驗(yàn)方差分析表方差分析表變異來源變異來源 平方和平方和自由度自由度均方均方F F值值0.050.050.010.01處理間處理間8.97218.97215 51.79441.794420.87220.8722.77 4.252.77 4.25處理內(nèi)

40、處理內(nèi)1.54751.547518180.0860.086總變異總變異10.519610.519623232.多重比較多重比較處理處理均值均值5%5%顯著水顯著水平平1%1%極顯著水平極顯著水平F F7.55000017.5500001 a aA AE E7.1257.125 ababABABC C6.90000016.9000001 b b BCBCA A6.44999986.4499998 c c CDCDB B6.20199986.2019998 c c DEDED D5.69999985.6999998 d d E EP246/12.71.F檢驗(yàn)檢驗(yàn)拉丁方試驗(yàn)方差分析表拉丁方試驗(yàn)方差分

41、析表變異來變異來源源平方和平方和自由度自由度均方均方F F值值F F0.05 0.05 F F0.010.01縱列縱列44.5644.564 411.1411.143.87703.87703.26 5.413.26 5.41橫行橫行8.568.564 42.142.140.744780.744783.26 5.413.26 5.41處理處理202.16202.164 450.5450.5417.58917.5893.26 5.413.26 5.41誤差誤差34.4834.4812122.87332.8733總和總和289.76289.7624242.多重比較多重比較 字母標(biāo)記表示結(jié)果字母標(biāo)記表

42、示結(jié)果處理處理均值均值5%5%顯著水顯著水平平1%1%極顯著水平極顯著水平處理處理A A27.827.8a aA A處理處理C C26.226.2a aA A處理處理B B25.625.6a aA A處理處理D D22.222.2 b b B B處理處理E E2020 b b B BP297/13.31.F檢驗(yàn)檢驗(yàn)方差分析表方差分析表( (固定模型固定模型) )變異來變異來源源平方和平方和自由度自由度均方均方F F值值0.010.01區(qū)組間區(qū)組間1.166671.166672 20.583330.583331.87811.87813.443.445.725.72A A因素間因素間57.3333

43、57.33333 319.111119.111161.52961.5293.053.054.824.82B B因素間因素間8.6666678.6666672 24.333334.3333313.95113.9513.443.445.725.72AxBAxB2 26 60.333330.333331.07321.07322.552.553.763.76誤差誤差6.833336.8333322220.3106060.310606總變異總變異767635352.多重比較多重比較因素間字母標(biāo)記表示結(jié)果因素間字母標(biāo)記表示結(jié)果處理處理均值均值5%5%顯著水顯著水平平1%1%極顯著水平極顯著水平A4A415.88888915.888889a aA AA3A314.33333314.333333 b b B BA2A213.22222213.222222 c c C CA1A112.55555512.5