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Table 4 Testing for differences in the number of weed species by using Analysis of Variance Matrix Unbalanced

From: Effects of surrounding crop and semi-natural vegetation on the plant diversity of paddy fields

  Df Sum Sq Mean Sq F value Pr (>F)  
Sample category 2 9,299.7 4,649.9 133.4537 <2.2e-16 ***
Field (simple vs. complex) 1 3.3 3.3 0.0794 0.778330  
Landscape (monoculture vs. multicrops) 1 216.4 216.4 5.2796 0.022114 *
Bund (simple vs. complex) 1 316.5 316.5 7.7232 0.005720 **
Area 5 4,125.9 825.2 20.1338 <2.2e-16 ***
Season 1 352.9 352.9 8.6111 0.003542 ***
  1. Significance codes: *0.01; **0.001; ***0.