The farmer's fertilizer not only contains a variety of large and medium trace elements, but also contains some substances that stimulate root growth and various beneficial soil microorganisms, which can improve the soil structure. Because it is rich in humic acid, it can promote the formation of soil aggregate structure. The soil becomes soft, improves soil moisture and air conditions, is conducive to root growth, increases soil fertility and water retention, increases ground temperature, and promotes the activity and reproduction of beneficial microorganisms in the soil.
So, how to make farmyard manure? The most common accumulation of farmyard manure is high-temperature composting, mainly based on raw materials containing more fiber, adding appropriate amount of horse manure and human urine, and the fermentation temperature is higher. There are two methods: First, ground high temperature composting. Firstly, 15-20 centimeters of thick straw that has been chopped (about 5 centimeters) on the ground, and then corn or sorghum stalks are placed into a trapezoidal venting ditch. After the small bundle of corn stalks at each intersection, they are then placed in a good mix. Compost the material, seal the mud after the pile, and pull out the erected stalk to form a vent. Second, half pit high temperature compost. The pit is round (or square). The stalk column is placed in the ditch to facilitate ventilation. On the bottom of the pit, the straw is stacked vertically and horizontally, about 3 cm thick. The chopped compost material is placed on a thickness of about 60 cm, and then a thin layer of horse manure, human urine and manure mixture and 4% lime and water are sprayed. Such as repeated stacking until the raw material is finished.
There are several points to note when applying farmyard manure: First, horses, cattle, pigs, and chicken manure must be applied after being decomposed. Second, because the nutrient release of farmyard manure is slow, the fertilizer efficiency is long, and the nutrient release is often inconsistent with the time required for crops, it must be used in conjunction with chemical fertilizers to fully realize its benefits. Third, some organic fertilizers have odor, pathogenic bacteria, parasitic eggs, etc. Some of them also contain excessive amounts of heavy metals and harmful substances, which must be applied after harmless treatment. It is more suitable for the second year of livestock manure storage in the same year ( Can be fully fermented and decomposed).
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