caa a22 4500 465776531 CHVBK 20180323111943.0 cr unu---uuuuu 170327e19901101xx s 000 0 eng 10.1007/BF00123472 doi (NATIONALLICENCE)springer-10.1007/BF00123472 Langton S. Statistics Departmentt, AFRC Institute for Arable Crops Research, Rothamsted Experimental Station, Harpenden, Hertfordshire, UK aut Avoiding edge effects in agroforestry experiments; the use of neighbour-balanced designs and guard areas [Elektronische Daten] [S. Langton] A number of different types of edge effects on experimental plots are defined, and it is shown that they are frequently important in agroforestry experiments. Methods of eliminating edge effects, either at the design or the analysis stage, are described. Computer simulations, based on uniformity data, are used to investigate the efficacy of neighbour-balanced designs, with and without neighbour terms, for reducing the problem of neighbour effects between different treatments. It is concluded that, while neighbour-balanced designs may be useful in certain situations or in combination with other methods, it is preferable to eliminate edge effects by using adequate guard rows. Recommendations are therefore made concerning the correct use of guard areas in agroforestry experimentation. Kluwer Academic Publishers, 1990 Agroforestry experiments nationallicence edge effects nationallicence neighbour-balanced designs nationallicence statistical analysis nationallicence guard areas nationallicence Agroforestry Systems Kluwer Academic Publishers 12/2(1990-11-01), 173-185 0167-4366 12:2<173 1990 12 10457 https://doi.org/10.1007/BF00123472 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00123472 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Langton S. Statistics Departmentt, AFRC Institute for Arable Crops Research, Rothamsted Experimental Station, Harpenden, Hertfordshire, UK aut NATIONALLICENCE 773 0- Agroforestry Systems Kluwer Academic Publishers 12/2(1990-11-01), 173-185 0167-4366 12:2<173 1990 12 10457 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer