WHY AM I GETTING THE SAME OUTPUT? (APEX)

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Shakshyam Kafle

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Apr 4, 2026, 4:57:38 AM (yesterday) Apr 4
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Hi everyone,
I followed the APEX EDITOR MANUAL and tried to run the 5 simulations given. 

Simulation 1: Crop Rotation (Corn/Soybean)
This scenario involves changing the land management from a single-crop system to a multi-year rotation, such as a Corn and Soybean rotation.
What it Simulates: It evaluates how alternating crops with different nutrient needs and growth patterns affects the long-term sustainable production and environmental quality of the farm.

Simulation 2: Conservation Practices (Buffer Strips)
  • The Change: In this simulation, I added Buffer Strips (or vegetated filter strips) to specific subareas within the watershed.

    Simulation 3: Manure Management

  • The Change: This scenario focuses on livestock impacts, such as manure management from feed yards or dairies. It involves setting up "Herds" with specific grazing or manure production rates.



    How ever I got the same results in the rch and sub output exactly the same.

    1. I did WRITE APEX INPUT FILES , which I initially thought was the reason I got the same result.

    2. I have attached screenshots of the input parameters changed in the input file along with this . 

    buffer strip and fertilizer.JPGAPEX editor run menu.JPGherd management.JPG





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