Chicken manure, cow manure and pig manure can all be used as raw materials for organic fertilizer production. Which of these three organic fertilizer raw materials is better?
First of all, the contents of these three types of feces are completely different. The content of organic matter in chicken manure is relatively high, accounting for 25%, followed by pig manure and cow manure. Therefore, it can be simply said that the nutritional value of chicken manure is the highest. In fact, it can be seen from the production of feces alone. The main food of chickens is insect grains, and the digestive esophagus is relatively short. The main food of pigs is grain, which takes longer to digest than chickens, and the nutrients are all in the manure. But the food of the cow is grass, and the cow has several stomachs. Food takes a long time to digest before it is eliminated.
Secondly, the difference between the three can be seen from the water content. Cow manure has the highest water content, followed by chicken manure and pig manure. Don't assume a high moisture content is good, it depends on the crop. Cow dung has high moisture content, that is, poor air permeability, organic matter is not easy to decompose, and its nutritional value is not high. But its advantage is that it can improve the soil structure, so the effect of adding cow dung to rice planting is obvious. Rice is growing well.
Finally, pig manure has the highest humus content. The composition of pig manure is the most complex among the three, and the manure is more delicate. Pig manure is easily decomposed by microorganisms, and the decomposed substances are more easily absorbed by crops. Relatively speaking, cow dung is the most difficult to decompose and needs to be used in conjunction with other fertilizers.
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