Configuration of Small Plot Trials with Legumes and Non-N-Fixing Plants
This figure illustrates the arrangement of small plots in a field where legumes are planted in mixtures alongside a grass or other non-nitrogen-fixing plant. For fields utilizing legume monocultures, only two plots are necessary, as the middle plot, representing the mixture, is omitted. The non-legume plant serves as a critical reference for calculating the total nitrogen derived from biological nitrogen fixation in the legume plots, allowing for clear assessment of legume performance in nitrogen contribution.
Configuration of Small Plot Trials with Legumes and Non-N-Fixing Plants
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Presentation Transcript
Figure 1. Configuration of one set of small plots in a field with legumes planted in a mixture with a grass or other non-N-fixing plant. In fields with a legume monoculture only two plots are needed, the middle plot (mixture) is not included. The non-legume plant serves as the reference for calculations of total N derived from biological N fixation in the legume.