Mechanical planting of clover can be done effectively by following these steps:

1. **Soil Preparation**: Prepare the soil by removing debris and tilling. Ensure the pH level is suitable for clover growth¹. Most varieties of clover do best in soil with a pH between 6.0 and 7.0².

2. **Choosing Clover Seeds**: Select the appropriate clover variety based on your specific needs and the local climate³.

3. **Planting Method**: Decide whether to plant clover seeds by broadcasting or drilling³. Broadcasting involves spreading the seeds evenly over the prepared soil surface. Drilling involves placing the seeds at a specific depth in the soil. The choice between broadcasting and drilling often depends on the specific requirements of your experiment and the resources available.

4. **Weed Control**: Before you plant clover, you will need to get rid of any unwanted plant growth. You may use a weed killer to eliminate any existing turf, weeds, or other unwanted plants².

5. **Watering**: Provide the planted area with a light misting of water every day to encourage seed germination².

Remember, the specifics of your planting method might need to be adjusted based on the characteristics of the clover seeds and the specific objectives of your research. It's always a good idea to consult with an agronomist to ensure your planting method is robust and appropriate for your study.

(1) Clover Cultivation (White); Farming; Planting Methods. https://www.agrifarming.in/clover-cultivation-white-farming-planting-methods.

(2) How to Grow a Clover Lawn: Planting, Care, & Maintenance - wikiHow. https://www.wikihow.com/Grow-a-Clover-Lawn.

(3) How To Plant Clover [ Full Guide ]. https://gardenlittlediary.com/how-to-plant-clover/.

(4) Getty Images. https://www.gettyimages.com/detail/photo/close-up-of-a-bunch-of-green-clover-royalty-free-image/157617234.