The damping-off disease is a common disease in the seedling stage of the eggplant vegetables. After the onset of the disease, the seedlings on the ground have no obvious symptoms, and the seedlings suddenly fell to the ground and then died of greenish. Digging plants can see the base of the stem wa-----
During the summer of the three summers, crop pests and diseases in our city mainly include second-generation armyworms, a generation of corn borers, a generation of small ground tigers and yellow ground tigers, corn rough dwarfs, peanut aphids, second-generation cotton bollworms and peanut aphids,-----
In the agricultural production process, it is inseparable from the use of pesticides. In addition to the elimination of weeds during the use of pesticides, we also need to protect and improve the environment of the farmland. Here are six kinds of precautions for the application of herbicides in dry-----
In the planting of flowers and trees, a certain amount of sulphur powder is applied in the compacted, saline-alkali garden soil or flower pots, the pH value can be adjusted, the salt and alkali hazards can be reduced, the rot and the nutrient deficiency diseases can be prevented, and the normal gro-----
First, the basic concepts and basic knowledge of the particle size test Q & A 1. What is granules? A particle is a tiny object having a certain size and shape and is a basic unit constituting a powder. It is small in macroscopic, but the microscopic contains a large number of molecules and ato-----
1 Rice field duck symbiosis technology The rice field duck symbiosis technology is that 10-15 days after the rice is transplanted, the ducklings (10 days after deferment) are put into the rice field for feeding during the daytime, recovered at night, until the rice heading grouting, and the rice du-----
1, timely planting. Planting in the spring should be carried out after the soil is thawed and before sprouting, and planting too early or late is not conducive to the survival of seedlings. Due to different tree species characteristics, planting time should be different, peach, apricot, plum, etc.-----