The cocoon of earthworm was chosen for the hatchingexperiment and results showed that its multiplication was negatively affected by the addition of biogas liquid.
表明在蚯蚓的生长阶段,沼液的添加对于成蚓和幼蚓的生长都有明显的促进作用;
2
The hatching rates of treatments were all over 95%, and this showed that the treatment intensity in the experiment was safe for the silkworm eggs.