field experiments
The changes in microbial biomass C and N in long term field experiments
... long-term field experiments with continuous cultivation of silage maize and with crop ...in experiments with ...in field experiments with crop rotation over the eight years of ...
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oTree An Open Source Platform for Laboratory, Online, and Field Experiments
... laboratory experiments with field experiments. Field settings range from sportscards shows (List and Lucking-Reiley, 2000) to primary schools (Angerer et ...The field provides external ...
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Balance of potassium in two long-term field experiments with different fertilization treatments
... Abstract: Balance of potassium (K) was observed in long-term stationary field experiments (21 years) at two sites with different soil and climatic conditions (Luvisol, Cambisol). The following crops were ...
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Indices to monitor biological soil crust growth rate lab and field experiments
... More field experiments are needed to study the appli- cations under field conditions, but our preliminary re- sults showed fast establishment of the spores on sand dune soil at the north-eastern ...
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Representativeness of European biochar research: part I – field experiments
... our field sites may be that few Leptosols are in arable land use, with most in agroforestry, tree crop production or grass- ...our field sites, fertile arable soils that probably already produce yields ...
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Efficient Methods for Empirical Tests of Behavioral Economics Theories in Laboratory and Field Experiments
... In the quest for a descriptive theory of decision-making, the rational actor model in economics imposes rather unrealistic expectations and abilities on human decision makers. The further we move from idealized ...
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The AACES field experiments: SMOS calibration and validation across the Murrumbidgee River catchment
... extensive field experiments which were undertaken across the Mur- rumbidgee River catchment during the Australian summer and winter season of 2010, ...the field measurements including the application ...
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Biocide leaching during field experiments on treated articles
... of field experiments on paint B are controlled by diffusion pro- ...the field experiment, whereas the process slows down due to depletion of these substances on the surface after a period of mainly ...
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The behavioralist as tax collector : using natural field experiments to enhance tax compliance
... The great majority of studies have, however, focused on the initial decision to declare or disclose income to the government. This paper has a different emphasis. Rather than analysing the honest declaration of income, ...
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Robust sampling and preservation of DNA for microbial community profiling in field experiments
... We would like to thank the local community in Mondake, Zambia, who pro- vided the Mabisi samples for this study. Frank Phiri and Djondoh Sikalangwe are gratefully thanked for their help during the field ...
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Management and modification procedures for long-term field experiments
... The manage- ment of long-term agricultural field experiments: procedures and policies evolved from the Rothamsted Classical experiments. Long-term exper- iments in agricultur[r] ...
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The Effect of Social Capital on Group Loan Repayment: Evidence from Field Experiments
... The results from our field experiments lend measured empirical support to the idea that social homogeneity is a good thing for group loan repayment. In Nyanga, individual contributions are significantly ...
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Soil pH changes in long term field experiments with different fertilizing systems
... 14-year field experiments with different fertilizing systems are ...The field experiments were located at four sites of the Czech Republic with different soil and climatic condi- tions ...
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Field Experiments and the Political Economy of Development
... Field experiments occupy an intermediate position: Researchers typically maintain con- trol over the assignment to treatment while for- going control over the treatment ...field experiments go a step ...
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How High are Rates of Return to Fertilizer? Evidence from Field Experiments in Kenya
... randomized field experiments in related research (Duflo, Kremer, and Robinson, ...of field trials on Kenyan farms to explore the most natural hypothesis: the possibility that, while fertilizer and ...
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Models suggesting field experiments to test two hypotheses explaining successional diversity
... would have the inhibition model. Facilitation can be It is important to understand that equations (3) and (6) modeled by assuming that the late successional species are mathematically equivalent. The advantage of (6) is ...
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Phase Difference Detector for Satellite Tracking Based on Field Experiments of COMETS
... Tracking the extremely low-energy signal from a moving vehicle is quite difficult if the signal is too weak to be phase-locked. Using the optical-tracking and quadrant- detector technology of the 1960s and 1970s as a ...
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Snowmelt and sublimation: field experiments and modelling in the High Atlas Mountains of Morocco
... Global comparison of sublimation shows that, in arid environments, sublimation plays a major role in snow ablation. Gray and Prowse (1993) found that 40% of annual snowfall in Canada is lost by sublimation. Beaty (1975) ...
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Soil carbon transformation in long-term field experiments with different fertilization treatments
... Root exudates are an important source of labile carbon for soil microorganisms (Luo et al. 2014). The chemical composition of exudates is as follows: sugars 50–70%, carboxylic acids 20–30%, amino acids 10–20% (de Graaff ...
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The arrangement of field experiments
... revolution in field experimentation, for by 1935 many national agricultural research.. organisations were using Fisher's ideas.[r] ...
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