最后,谈一下农用抗菌素在农作物病虫害防治上的应用情况。一、农用抗菌素的概念及其利用价值我们在培养微生物的过程中,常常可以看到一种微生物可以抑制另一种微生物的生长发育甚至使其致死的现象,人们通常称之为“拮抗作用”。拮抗作用的产生,有的是因为竞争营养,或者一种微生物的生长改变了它周围的生活条件,使另一种微生物不适于生长。但是更 Finally, talk about the application of agricultural antibiotics in the prevention and control of crop diseases and insect pests. First, the concept of agricultural antibiotics and its use value In the process of cultivating microorganisms, we can often see a microorganism can inhibit the growth of another species of microorganisms even lethal phenomenon, which is commonly referred to as “antagonistic effect” . Antagonism occurs either because competition for nutrition or the growth of one microorganism changes the living conditions around it, rendering the other microorganism unsuitable for growth. But more