Agricultural Field Experiments: Design and Analysis
This text provides statistical and biometrical procedures for designing, conducting, analyzing and interpreting field experiments. It addresses the most important research topics in agriculture, including agronomy, breeding and pasture trials; farming systems research; and intercropping research.
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2 The Field Plot
3 Basic Experimental Designs
4 Agronomy Trials
5 Variety Trials
6 Combined Analysis of Several Experiments
7 Experiments with Perennial Crops
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adjusted Aleppo Aleppo Province alfalfa analysis of variance ANOVA Source df coefficients combined analysis completely randomized design computed conducted cowpea degrees of freedom difference entries error mean square experimental design experimental error factor factorial experiment farmer's practice farms fertilizer field plan forage genotype given in Table Grain Yield grazing herbicide improved practice increase interaction intercrop interval estimate j-th level j-th treatment Latin square lattices Lentils LSIoos main effects mean yield measure nitrogen number of replications number of treatments On-Farm FSR Trial orthogonal polynomial partition phosphorus polynomial pooled error randomized block design regression row ratio season selections shown in Table significance tests sitona sole crop sorghum Source df SS SS MS F SSAB SSTot standard error sum of squares test the significance tester treatment means unit area variability variety Yield kg/ha yield trials yields kg/plot