نتایج جستجو برای: split plot design
تعداد نتایج: 1025313 فیلتر نتایج به سال:
Binomial data are often generated in split-plot experimental designs in agricultural, biological, and environmental research. Modeling non-normality and random effects are the two major challenges in analyzing binomial data in split-plot designs. In this study, seven statistical methods for testing whole-plot and subplot treatment effects using mixed, generalized linear, or generalized linear m...
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Fractional factorial designs are used widely in screening experiments to identify significant effects. It is not always possible to perform the trials in a complete random order and hence, fractional factorial split-plot designs arise. In order to identify optimal fractional factorial split-plot designs in this setting, the Hellinger distance criterion (Bingham and Chipman (2007)) is adapted. T...
in order to study the effect of irrigation interval, n fertilizer and superabsorbent on yield and qualitative traits of sesame (sesamum indicum l.), a split-split-plot experiment was coducted in a farm in khusf of birjand, iran in 2009 on the basis of a randomized complete block design. the main plot was devoted to irrigation interval at three levels of 6, 12 and 18 days, the sub-plot was devot...
i ABSTRACT In mixture-process variable experiments, it is common that the number of runs is greater than in mixture-only or process-variable experiments. These experiments have to estimate the parameters from the mixture components, process variables, and interactions of both variables. In some of these experiments there are variables that are hard to change or cannot be controlled under normal...
in order to determination of partitioning n fertilizer by using of leaf color chart (lcc) and chlorophyll meter (spad) in rice an experiment was conducted as split plot under randomized complete block design with three replications during 2006 and 2007 at rice research institute of iran. main plots were contained cultivars in three levels (grh1, khazar and hashemi) and sub plots were contained ...
Abstract Biochar and manure can be used for sustainable land management. However, little is known about how soil amendments might affect surface belowground microbial processes subsequent wood decomposition. In a split‐split‐split plot design, we amended with two rates of (whole plot; 0 9 Mg ha −1 ) biochar (split 10 ). Wood stakes three species (hybrid poplar, triploid Populus tomentosa Carr.;...
The Saffron Yield Estimation Model (SYEM) was modified for salinity conditions, cowmanure application and planting methods using two-year experiments data in Badjgah region ofIran. A split-split plot arrangement was conducted in complete randomized block design duringtwo years with irrigation water salinity levels (0.45 (fresh water, S1), 1.0 (S2), 2.0 (S3) and 3.0(S4) dS m-1) as the main plot,...
In a field experiment, growth parameters of soybean cultivars in different weeding regimes was investigated. The trial was split plot in a randomized complete block design. The four cultivars and two lines of soybean (Glycine max L.) including: Sahar, Hill, Sari, Telar, 032 and 033 in main plot and weeding regime consist of no weeding (control), one weeding (35 days after planting) and two weed...
To evaluate the effect of plastic film coverage on ex vitro acclimatization arrow cane (Gynerium sagitatum Aubl.), shoots “Criolla”, Martinera” and “Costera” cultivars were in micropropagated a medium supplied with 6-Benzylaminopurine half them rooted 1-Naphtalene acetic acid. Rooted unrooted transplanted shade house fog irrigation, into trays (72 clusters per tray), using peat as substrate was...
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