1、 Site selection and agronomic requirements

1. Site adaptability
   • Priority should be given to fields with flat terrain, uniform crop growth, and no lodging, with a natural plant height difference of no more than 35cm.
   • Avoid working on slopes, hills, or areas with loose soil that are prone to lodging, to prevent mechanical damage or leakage.
   • Seed production of corn requires strict determination of sowing row spacing, plant spacing, and parent row ratio according to the adjustable range between rows of the male removal machine to ensure mechanical operation space.
2. Timing for drawing male
   • Start working when the male ear of the mother plant exposes the bracts (touching the bracts with leaves, usually 1-3 leaves), and at this time, the male ear has not shed powder, indicating the best effect of male removal.
   • Avoid working too early (before the male ear is exposed) or too late (after the powder has been dispersed), as the former can damage the leaves and the latter can reduce the efficiency of male removal.

2、 Control of homework conditions

1. Environmental Requirements
   • weatherWork on sunny days, avoid rainy or windy weather (wind speed>4m/s), and prevent abnormal pollen dispersal or unstable mechanical operation.
   • humidityWhen the relative humidity of the air is above 65%, avoid working during high temperature periods (10:00-16:00) to reduce pollen vitality loss.
   • temperatureThe operating temperature should be between 13-27 ℃, as too high or too low can affect the quality of tasseling and pollen activity.
2. crop status
   • Ensure that the moisture content of corn stover is between 30% -60%. If it is too dry, it is prone to brittle breakage, and if it is too wet, it is prone to mechanical adhesion.
   • Remove the mother plant before operation to avoid ineffective male extraction or mixing with the father plant pollen.

3、 Operating standards and procedures

1. Mechanical adjustment
   • Adjust the inter row distance and height of the tasseling wheel according to the corn planting parameters (row spacing, plant height) to ensure tasseling without damaging the leaves.
   • Before the trial operation, check the sensors, connectors, and fasteners to ensure that they are not loose or damaged.
2. work sequence
   • Operate according to the pre arranged route, with short travel time and high efficiency.
   • Within 2 days after mechanical male withdrawal, manual re examination is required to make up for any missed plants and ensure a male withdrawal rate of ≥ 85%.
3. exception handling
   • Stop the machine immediately in case of mechanical blockage or malfunction, install protective devices after clearing the fault, and strictly prohibit troubleshooting during operation.
   • Drivers rotate every 2 hours, with each operation lasting no more than 4 hours, to avoid fatigue during work.

4、 Safety protection measures

1. Personnel Requirements
   • Operators must receive professional training and be qualified. It is strictly prohibited to operate under the influence of alcohol, fatigue, or unauthorized personnel.
   • Wear protective equipment (such as gloves and goggles) during homework to avoid contact with rotating mechanical parts.
2. Mechanical safety
   • Before starting, sound the horn to confirm that there is no one present. After stopping the machine, cut off the power and hang a warning sign.
   • Power off during maintenance, park the machine on a flat and solid ground, and support it with sturdy objects to prevent tipping over.

5、 Maintenance and upkeep

1. routine inspection
   • Before homework, check key components such as bearings, chains, and V-belts, and replace worn parts or adjust tension in a timely manner.
   • Clean the sensor dust to ensure accurate signal transmission.
2. long-term storage
   • After the completion of the homework period, maintain the machinery according to the instructions and store it in a dry and ventilated place to avoid rust or deformation.