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Nghiên cứu một số biện pháp kỹ thuật nhằm tái canh ngay cây cà phê vối Coffea canephora Pierre var. robusta tại tỉnh Đắk Lắk - 24


B

1.720

3 5

B

0.860

3 4

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Nghiên cứu một số biện pháp kỹ thuật nhằm tái canh ngay cây cà phê vối Coffea canephora Pierre var. robusta tại tỉnh Đắk Lắk - 24


t Tests (LSD) for D9SXL Alpha 0.01

Error Degrees of Freedom 8

Error Mean Square 0.980083

Critical Value of t 2.30600 Least Significant Difference 1.864


t Grouping

Mean

N CT

A

4.4267

3 1

B A

3.2933

3 2

B A

2.5800

3 5

B A

2.5800

3 3

B

1.7200

3 4


t Tests (LSD) for D12SXL Alpha 0.01

Error Degrees of Freedom 8

Error Mean Square 0.616317

Critical Value of t 2.30600 Least Significant Difference 1.4781

t Grouping

Mean


N CT

A

4.7000

3

1

B A

3.2933

3

2

B C

2.9367

3

3

B C

2.5800

3

5

C

1.7200

3

4


t Tests (LSD) for D18SXL Alpha 0.01

Error Degrees of Freedom 8

Error Mean Square 13.81113

Critical Value of t 2.30600 Least Significant Difference 6.9973

t Grouping

Mean


N CT

A

32.480

3

1

B

23.137

3

2

C B

20.983

3

3

C

14.113

3

5

C

13.960

3

4


t Tests (LSD) for D24SXL Alpha 0.01

Error Degrees of Freedom 8

Error Mean Square 11.52679

Critical Value of t 2.30600 Least Significant Difference 6.3925


t Grouping

Mean


N CT

A

39.193

3

1

B

24.853

3

2

B

23.137

3

3

C B

19.267

3

5

C

14.960

3

4



Thí nghiệm 4: MẬT SỐ TUYẾN TRÙNG ĐẤT

Class Levels Values LL 3 1 2 3

CT 8 1 2 3 4 5 6 7 8

Number of Observations Read 24

Number of Observations Used 24

Dependent Variable: D3SXL

Sum of

Source DF Squares Mean Square F Value Pr > F

Model

9 3994.666667 443.851852

3.54

0.0170

Error

14 1754.666667 125.333333



Corrected Total

23 5749.333333



R-Square

Coeff Var

Root MSE D3SXL Mean

0.694805

5.692493

11.19524 196.6667


Dependent Variable: D6SXL

Sum of

Source DF Squares Mean Square F Value Pr > F Model 9 4397.33333 488.59259 1.17 0.3815

Error 14 5840.00000 417.14286

Corrected Total 23 10237.33333


R-Square

Coeff Var

Root MSE D6SXL Mean

0.429539

8.740688

20.42408 233.6667


Dependent Variable: D9SXL

Sum of

Source DF Squares Mean Square F Value Pr > F Model 9 3354.666667 372.740741 1.79 0.1589

Error 14 2917.333333 208.380952

Corrected Total 23 6272.000000


R-Square

Coeff Var

Root MSE D9SXL Mean

0.534864

5.638831

14.43541 256.0000


Dependent Variable: D12SXL

Sum of

Source

DF Squares Mean Square F Value

Pr > F

Model

9 1926.000000 214.000000 0.56

0.8063

Error

14 5332.000000 380.857143


Corrected Total

23 7258.000000


R-Square

Coeff Var

Root MSE D12SXL Mean

0.265362

7.322912

19.51556 266.5000


Dependent Variable: D18SXL

Sum of

Source DF Squares Mean Square F Value Pr > F

Model

9

8187.33333 909.70370

2.86 0.0380

Error

14

4446.66667 317.61905


Corrected Total


23 12634.00000


R-Square

Coeff Var

Root MSE D18SXL Mean

0.648040

6.156086

17.82187 289.5000



Dependent Variable: D24SXL

Sum of

Source

DF

Squares Mean Square F Value Pr > F

Model

9

4776.666667 530.740741 2.04 0.1116

Error

14

3638.666667 259.904762

Corrected Total


23 8415.333333

R-Square

Coeff Var

Root MSE D24SXL Mean

0.567615

5.203301

16.12156 309.8333


Thí nghiệm 4: SỐ LƯỢNG NẤM TRONG ĐẤT

Dependent Variable: D3SXL

Sum of

Source

DF Squares Mean Square

F Value Pr > F

Model

9 51.2104167 5.6900463

0.44 0.8934

Error

14 182.6858333 13.0489881


Corrected Total

23 233.8962500


R-Square

Coeff Var

Root MSE D3SXL Mean

0.218945

11.78096

3.612338 30.66250


Dependent Variable: D6SXL

Sum of

Source DF Squares Mean Square F Value Pr > F Model 9 109.1650000 12.1294444 1.81 0.1546

Error 14 93.9133333 6.7080952

Corrected Total 23 203.0783333


R-Square

Coeff Var

Root MSE D6SXL Mean

0.537551

7.971272

2.589999 32.49167


Dependent Variable: D9SXL

Sum of

Source DF Squares Mean Square F Value Pr > F Model 9 64.8254167 7.2028241 1.02 0.4702

Error 14 98.9541667 7.0681548

Corrected Total 23 163.7795833


R-Square

Coeff Var

Root MSE D9SXL Mean

0.395809

9.544713

2.658600 27.85417


Dependent Variable: D12SXL

Sum of

Source DF Squares Mean Square F Value Pr > F

Model

9

185.4914583 20.6101620 4.36 0.0071

Error

14

66.1831250 4.7273661

Corrected Total


23 251.6745833


R-Square Coeff Var Root MSE D12SXL Mean 0.737029 14.633026 2.174251 32.77917


Dependent Variable: D18SXL

Sum of

Source DF Squares Mean Square F Value Pr > F

Model

9

176.7872333 19.6430259

16.48 <.0001

Error

14

16.6905667 1.1921833


Corrected Total


23 193.4778000




R-Square Coeff Var Root MSE D18SXL Mean 0.913734 10.689378 1.091871 29.59500


Dependent Variable: D24SXL

Sum of

Source

DF Squares Mean Square F Value Pr > F

Model

9 126.4883333 14.0542593 7.46 0.0005

Error

14 26.3766667 1.8840476

Corrected Total

23 152.8650000


R-Square Coeff Var Root MSE D24SXL Mean 0.827451 15.233172 1.372606 32.42500

Duncan's Multiple Range Test for D3SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 13.04899


Number of Means

2 3

4 5 6

7

8


Critical Range

6.326 6.629

6.815 6.942 7.031


7.096

7.146

Duncan Grouping

A 32.533

Mean

3


2

N CT

A 31.500

3

6


A 31.267

3

5


A 30.800

3

7


A 30.233

3

4


A 29.833

3

8


A 29.633

3

3


A 29.500

3

1



Duncan's Multiple Range Test for D6SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 6.708095


Number of Means

2 3

4

5 6

7

8


Critical Range

4.536 4.753

4.887

4.977

5.041

5.088

5.124

Duncan Grouping

A 35.500

Mean

3


2

N CT

A 33.000

3

5


A 32.633

3

6


A 32.233

3

4


A 31.900

3

7


A 31.833

3

3


A 31.633

3

1


A 31.200

3

8



Duncan's Multiple Range Test for D9SXL Alpha 0.05

Error Degrees of Freedom 14

Number of Means

2 3

4 5 6

7

8


Critical Range

4.656 4.879

5.016 5.109 5.175


5.223

5.259

Error Mean Square 7.068155

Duncan Grouping Mean N CT A 29.333 3 8

A 29.100 3 7


A

28.867

3

2

A

28.000

3

6

A

27.200

3

1

A

27.000

3

4

A

26.800

3

5

A

26.533

3

3


Duncan's Multiple Range Test for D12SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 4.727366

Number of Means 2 3 4 5 6 7 8

Critical Range 3.808 3.990 4.102 4.178 4.232 4.271 4.301

Duncan Grouping Mean N CT

A

35.817

3

2

A

33.267

3

5

A

33.200

3

1

A

32.467

3

7

A

32.200

3

8

A

32.067

3

4

A

31.650

3

6

A

31.567

3

3


Duncan's Multiple Range Test for D18SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 1.192183


Number of Means 2 3

4


5 6

7

8


Critical Range 1.912 2.004

2.060


2.098 2.125


2.145

2.160

Duncan Grouping

Mean


N CT


A 31.6333

3

2


A 30.2667

3

4


A 30.0000

3

7


A 29.7333

3

6


A 29.4000

3

3


A 28.8000

3

5


A 28.6267

3

8


A 28.3000

3

1



Duncan's Multiple Range Test for D24SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 1.884048

Number of Means

2 3

4

5 6

7

8


Critical Range

2.404 2.519

2.590

2.638 2.672


2.696

2.715

Duncan Grouping Mean N CT


A

34.667

3

2

A

33.533

3

4

A

32.733

3

7

A

32.633

3

5

A


31.833

3

3

A


31.567

3

1

A


31.300

3

6

A


31.133

3

8



Thí nghiệm 4: TẦN SUẤT XUẤT HIỆN NẤM RỄ


Dependent Variable: D3SXL

Sum of

Source DF Squares Mean Square F Value Pr > F

Model

9 24.11836250 2.67981806

3.57

0.0165

Error

14 10.51523333 0.75108810



Corrected Total

23 34.63359583



R-Square

Coeff Var

Root MSE D3SXL Mean

0.696386

28.94070

0.866653 2.994583


Dependent Variable: D6SXL

Sum of

Source DF Squares Mean Square F Value Pr > F Model 9 1317.079125 146.342125 10.87 <.0001

Error 14 188.485208 13.463229

Corrected Total 23 1505.564333


R-Square

Coeff Var

Root MSE D6SXL Mean

0.874808

16.74045

3.669227 21.91833


Dependent Variable: D9SXL

Sum of

Source DF Squares Mean Square F Value Pr > F

Model

9

1800.807742 200.089749 17.33

<.0001

Error

14

161.614592 11.543899


Corrected Total


23 1962.422333


R-Square

Coeff Var

Root MSE D9SXL Mean

0.917645

13.57062

3.397631 25.03667


Dependent Variable: D12SXL

Sum of

Source DF Squares Mean Square F Value Pr > F

Model

9

2640.840504 293.426723 8.94

0.0002

Error

14

459.458892 32.818492


Corrected Total


23 3100.299396


R-Square

Coeff Var

Root MSE D12SXL Mean

0.851802

20.34204

5.728743 28.16208


Dependent Variable: D18SXL

Sum of

Source DF Squares Mean Square F Value Pr > F Model 9 2057.641742 228.626860 6.84 0.0008

Error 14 467.980442 33.427174

Corrected Total 23 2525.622183


R-Square Coeff Var Root MSE D18SXL Mean 0.814707 18.22180 5.781624 31.72917

Dependent Variable: D24SXL

Sum of

Source DF Squares Mean Square F Value Pr > F

Model

9

2633.802242 292.644694

8.92 0.0002

Error

14

459.245292 32.803235


Corrected Total


23 3093.047533



R-Square

Coeff Var

Root MSE D24SXL Mean

0.851523

16.29806

5.727411 35.14167


Duncan's Multiple Range Test for D3SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 0.751088


Number of Means

2 3

4 5 6

7

8


Critical Range

1.518 1.590

1.635 1.665 1.687


1.702

1.714

Duncan Grouping

A 4.6300

Mean

3


1

N CT

A 4.3467

3

2


B A 3.0400

3

5


B A 3.0400

3

4


B 2.6700

3

3


B 2.6700

3

7


B 1.7800

3

6


B 1.7800

3

8



Duncan's Multiple Range Test for D6SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 13.46323


Number of Means

2 3

4

5 6

7

8


Critical Range

6.426 6.733

6.923

7.051

7.142

7.208

7.259

Duncan Grouping

A 35.173

Mean

3


2

N CT

A 33.773

3

1


B 19.967

3

4


B 17.733

3

3


B 17.733

3

5


B 17.733

3

8


B 17.733

3

7


B 15.500

3

6



Duncan's Multiple Range Test for D9SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 11.5439


Number of Means

2 3

4 5 6

7

8


Critical Range

5.950 6.235

6.410 6.529 6.613


6.674

6.721

Duncan Grouping

A 39.467

Mean

3


2

N CT

A 38.097

3

1


B 27.363

3

3


C B 22.200

3

5


C D 19.967

3

7


C D 19.967

3

4


C D 17.733

3

6


D 15.500

3

8



Duncan's Multiple Range Test for D12SXL Alpha 0.05

Error Degrees of Freedom 14


Error Mean Square 32.81849


Number of Means

2 3

4 5 6

7

8


Critical Range

10.03 10.51

10.81 11.01 11.15


11.25

11.33

Duncan Grouping

A 46.397

Mean

3


2

N CT

A 42.140

3

1


B 27.367

3

4


B 24.800

3

3


B 23.340

3

5


B 21.760

3

6


B 21.760

3

7


B 17.733

3

8



Duncan's Multiple Range Test for D18SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 33.42717


Number of Means

2 3

4

5 6

7

8


Critical Range

10.12 10.61

10.91

11.11

11.25

11.36

11.44

Duncan Grouping

A 47.767

Mean

3


2

N CT

A 43.633

3

1


B 32.197

3

3


B 28.943

3

5


B 27.367

3

4


B 27.367

3

7


B 24.800

3

6


B 21.760

3

8



Duncan's Multiple Range Test for D24SXL Alpha 0.05

Error Degrees of Freedom 14

Error Mean Square 32.80324


Number of Means

2 3

4

5 6

7

8


Critical Range

10.03 10.51

10.81

11.01 11.15


11.25

11.33

Duncan Grouping

A 53.460

Mean

3


2

N CT

A 49.137

3

1


B 35.057

3

3


B 32.197

3

4


B 30.733

3

5


B 29.157

3

6


B 26.593

3

7


B 24.800

3

8


Thí nghiệm 4: TỶ LỆ CÂY VÀNG LÁ


Dependent Variable: D3SXL

Sum of

Source DF Squares Mean Square F Value Pr > F Model 9 7.07313333 0.78590370 0.21 0.9882

Error 14 52.42440000 3.74460000

Corrected Total 23 59.49753333

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