1. Select the variety: choose the fine variety. It can be used for seed dressing with new high-fat film (can be mixed with seed coating agent), can avoid underground pests and diseases, isolate virus infection, does not affect germination and swelling function, strengthens breathing intens.......

1. Because the position of the shaving roller is properly arranged, the pig body can roll freely in the machine. Under the pressure of the pig body's own weight, the rolling friction between the shaving hair and the pig body .......

The bean pod borer is the larvae infestation period from August to October every year. The adults are phototaxis, and the eggs are scattered on the tender horns, flowers and petioles. The newly hatched larvae eat into the tender horns or flowers, .......