On-farm Research in Theory and Practice: Proceedings of a Workshop on Design and Analysis of On-farm Trials, 27 February to 3 March, 1989 |
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Veelvoorkomende woorden en zinsdelen
additional Agricultural agronomic analysis ANOVA applied average benefit better block calculated carried cassava characteristics collected combined compared conducted constraints costs crop density determine differences economic effect environmental environments estimated evaluation example experiment experimental extension extrapolation factors farmers farming systems farms fertilizer fields given grain groups harvest higher important improved incidence included increase indicated inputs Institute interaction involved kg/ha labor locations losses maize major management practices mean measured methods Nigeria Notes objective observations obtained on-farm trials percent pests planting plots population possible practices presented problems production programs recommended References regression relatively replication representative response sample score season seed selected showed significant soil squares statistical survey t/ha Table term treatments usually valley variables variety vary villages visits weeding yield
Bibliografische gegevens
| Titel | On-farm Research in Theory and Practice: Proceedings of a Workshop on Design and Analysis of On-farm Trials, 27 February to 3 March, 1989 |
| Redacteurs | H. J. W. Mutsaers, P. Walker |
| Bijdrager | International Institute of Tropical Agriculture |
| Uitgever | IITA, 1991 |
| ISBN | 9781310642, 9789781310645 |
| Lengte | 204 pagina's |
| Citatie exporteren | BiBTeX EndNote RefMan |