由湖北省公安县植保机械厂生产的荆江牌２F—５０型自压式追肥枪（见图１），可与手动喷雾器药箱配套使用，能将溶解的化肥定量地注射到农作物根系附近的土壤内层，可达到节肥、节水的作用，工效提高４倍，增产效果达１０％。该追肥枪适宜在大田、庭院花圃、大棚内为旱地作物追 Jingjiang 2F-50 self-pressurizing top-dressing gun (see Figure 1) produced by Hubei Provincial Public Security Plant Protection Machinery Factory can be used in combination with a manual sprayer kit to quantitatively inject dissolved fertilizers into the soil near the roots of crops The inner layer can achieve the function of saving fertilizer and saving water. The work efficiency is increased by 4 times and the yield increase effect is up to 10%. The dressing gun suitable for field, garden flower garden, greenhouse crops for dry land chase