In-field Experiment.

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Presentation transcript:

In-field Experiment

Objective Depends on the research question you chose Something to the effect of: Determine the effects of organic vs. conventional management practices on ______. Yield Nitrogen loss Microbial community Organic Carbon Loss of N in soil water runoff Soil moisture

Treatments Management Systems (2) (future we will expand to no-till and tilled too) Organic: Addition of composted steer manure and fish fertilizer Conventional: Addition of a 17-5-12 NPK slow release fertilizer Crops to be planted (4) Corn Spring wheat (only in year 1, later winter wheat) Spring cover crop Legume Depending on what research questions are posed Variable fertilizer rate (low, medium, high) Variable water content (low, medium, high) Replications (4)

Plot Design Replicate 1 Replicate 3 Replicate4 Replicate 2 CONTROL (NO Manure or fertilizer) Organic Corn Wheat greencover Soybean Greencover Conventional

Background Tilled week of February 21, 2019 Roundup applied (must wait one week before planting to ensure no problems with seed.) Plot size: 4 m by 9 m? Organic Fertilizer: Composted steer manure and fish emulsion Builds organic matter, mix of both C and N, builds tilth and water holding capacity Conventional Fertilizer: Osmocote ® 17-5-12, NPK. Slow release fertilizer. Provides nitrogen, potassium and phosphorus for plant growth. Chemical fertilizer (man made).

Tasks to accomplish Measure out each plot. Add appropriate amount of fertilizer and rake in. Plant seeds. Label each plot. Weed plots as needed. Apply fish emulsion as needed. From here on out we will start to spend half of Tuesday in the field monitoring the crop.

Food for thought Going to the field daily, builds a knowledge of the crop, the soil and the field. It also allows one to observe changes, see life and learn.