2007-7858
2007-7858
S2007-78582019000200155
10.29059/cienciauat.v14i1.1210
Ecuador
00
12
2019
00
12
2019
14
1
155
166
[
2010
]
[
2010
13-4
]
[
2019
649
120-7
]
[
2016
18
2
2
40-7
]
[
2017
25-34
]
[
2019
17
48-55
]
[
2011
47
4
4
653-76
]
[
2012
149
181-8
]
[
1987
134-48
]
[
2014
383
1-2
1-2
313-35
]
[
2002
20
2
2
118-21
]
[
2016
28
1
1
113
]
[
2018
5
1
1
41-52
]
[
2005
86
227-53
]
[
2015
63
18
18
4539-44
]
[
2018
35
270-92
]
[
2018
9
1
1
63-70
]
[
2014
88
6
6
1133-42
]
[
2016
1-195
]
[
1982
403-30
]
[
2016
112
2560-8
]
[
2012
12-5
]
[
2014
63
2
2
145-52
]
[
2016
9
2
2
4-6
]
[
2009
]
[
2000
29
3
3
167-73
]
[
2017
18
3
3
529-41
]
[
2016
48
2
2
95-105
]
[
2015
38
3
3
265-74
]
[
2013
7
1
1
33-41
]
[
1992
10
86-66
]
[
2016
1-34
]
[
2013
22
1
1
51-9
]
[
SPSS
2013
]
[
2016
90
6
6
1089-102
]
[
USDA-NRCS
2014
58-498
]
[
2015
7-30
]
[
2015
1
2
2
28-34
]
[
2018
62
1-9
]
[
2018
24
2
2
561-2
]
[
2018
34
2
2
80-9
]
[
2012
86
2
2
197-212
]