Statistical Methods for Agricultural Workers

acre adjusted analysis of variance application arrangement average block design calculated carried cent chapter characters column combinations compared comparisons components confounded consider consists correction corresponding degrees of freedom deviation differences distribution divided effects efficiency equal equation error error mean square estimate example expected experiment experimental expression factors families fertility field figures formula frequencies given gives groups Hence independent individual interaction involved known latin square length levels main plot manure measure method missing namely necessary nitrogen normal observed obtained plants plot plot yields population possible precision present procedure progenies provides quantity randomized block ratio regression replications represented respectively response rows sample seasons seen selected shown significance simple standard error statistical strains sub-plot sum of squares Table tion treatments trial usual variation varieties various yields