Sample size to estimate the average of morphological and productive traits of turnip

被引：8
|
作者：
Cargnelutti Filho, Alberto [1 ]
Facco, Giovani [2 ]
Lucio, Alessandro Dal'Col [1 ]
Toebe, Marcos [2 ]
Burin, Claudia [2 ]
Fick, Andre Luis [3 ]
Marcio Neu, Ismael Mario [4 ]
机构：
[1] Univ Fed Santa Maria, CCR, Dept Fitotecnia, BR-97105900 Santa Maria, RS, Brazil
[2] Univ Fed Santa Maria, Programa Posgrad Agron, BR-97105900 Santa Maria, RS, Brazil
[3] Univ Fed Santa Maria, Curso Engn Florestal, BR-97105900 Santa Maria, RS, Brazil
[4] Univ Fed Santa Maria, Curso Agron, BR-97105900 Santa Maria, RS, Brazil
来源：
CIENCIA RURAL | 2014年 / 44卷 / 02期
关键词：
Raphanus sativus L; experimental planning; sampling;
D O I：
10.1590/S0103-84782014000200005
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The aim of this research was to determine the sample size to estimate the average of morphological and productive traits of turnip (Raphanus sativus L.). In a experiment, 300 plants were randomly selected and measured for morphological traits (plant height and number of leaf at 21, 35, 48, 55, 62, 70, 77 and 91 days after sowing) and productive (fresh and dry matter of roots, stem, leaf and total of 91 days after sowing). Measures of central tendency and variability were calculated, normality was checked and the sample size was calculated. The sample size of productive traits is greater than morphological to estimate average and it has the same precision. For the morphological and productive traits studied 231 plants are enough to predict the average, with an estimation error maximum of 10% of estimated average, with a degree confidence of 95%.
引用
收藏
页码：223 / 227
页数：5
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