Simple agricultural knowledge

    Agricultural science and technology are mainly used in agricultural production, as well as some simple agricultural products processing technologies specifically for rural and urban life. Including planting, breeding, the use of fertilizers and pesticides, the identification of various production materials, and high-efficiency agricultural production models. So how much do you know about agricultural science and technology? The following is a simple agricultural science and technology knowledge, I hope it can help you.

      Vegetable planting technology

     1. Before sowing or planting, stubble and plowing should be done as soon as possible, the soil should be exposed to the sun, and the remaining root stubble and branches and leaves should be removed, and the remaining sources of bacteria and insects in the soil should be eliminated.

     2. Do a good job of seed treatment: use warm water to soak the seeds, that is, use 55 degrees of warm water for 40-15 minutes to kill the germs attached to the surface of the seeds.

     Good cultivation management

     1. As far as possible, adopt new technologies and achievements at home and abroad. Such as nutrient bowl nursery, factory nursery, tissue culture, grafting, drip irrigation, mulching and so on. Start with cultivating strong seedlings to increase the nuisance to pests and diseases.

    2. Reasonably do a good job of intercropping and intercropping. According to the different requirements of different vegetable varieties on light, moisture and fertilizer, high and short three-dimensional planting can be adopted. Three-dimensional planting of different types of vegetable varieties, three-dimensional planting of vegetables and edible fungi.

    3. Strengthen management, pruning branches and branches, cultivating and weeding, removing diseased plants, and controlling the spread of pests.

      Pay attention to the following issues when spraying pesticides:

      1. Before spraying, check the spraying equipment carefully to prevent the liquid from running, spilling, dripping and leaking.

      2. The amount of water added should be in accordance with the standard, the walking speed should be consistent, and the spray nozzle droplets should be even, not heavy spraying or missing spraying.

    3. For spraying crop fields with dense canopy, high-pressure or air-driven spraying equipment should be used to allow droplets to pass through the canopy.

     4. In the climatic conditions of high temperature and strong wind, avoid spraying too finely to prevent drifting and pollution, and pay attention to sensitive crops planted in adjacent plots.

    5. Plots where pesticides have been applied, especially plots where highly toxic pesticides have been applied, should be marked in obvious places to prevent people and livestock entering the pesticide application environment and causing poisoning accidents.

       Basic principles of scientific use of pesticides

       1. Choose pesticides according to the control objects and the performance of the pesticides.

       2. Determine the appropriate period of application according to the occurrence of the control object and environmental conditions. Controlling weeds can be based on the performance of the medicament and the sensitivity of the crop and weeds to the medicament during different growth periods. If contact herbicides are used, it is advisable to apply them at the seedling stage of weeds.

      3. Master the effective dosage and apply the appropriate amount.

      4. According to the application target and the characteristics of the pesticide, use the appropriate application method.

      5. Choose medicaments according to environmental factors.