In addition to abundant nitrogen, phosphorus, and potassium, biogas fertilizers also contain trace elements such as boron, copper, iron, calcium, and zinc, which are important for the growth of garlic, as well as a large amount of organic matter, amino acids, and vitamins. Seed soaking with biogas slurry not only enhances the stress resistance of the seeds, but also significantly reduces the pests and diseases. It also increases the yield and quality of garlic. Test results: The results showed that the seed soaking treatment was 2 days earlier than the control field, and showed black-green, strong seedlings, and strong disease resistance throughout the growth period. After immersing the harvested acres, 620 kilograms were harvested. The control field harvested 505 kilograms, and the mu increased production by 105.4 kilograms, which increased production by 17%. Note: The normal operation of biogas is used for more than 2 months. Biogas digesters with normal gas production can be used for soaking seeds with a ph value of 7 to 7.6; scum and debris in the discharge of the digester should be cleaned; Several times, harmful gases, such as hydrogen sulfide, are dissipated to facilitate seed soaking. Raw water and poisonous sewage, such as fertilizers and pesticides, cannot be allowed to enter between discharges. A white film-like biogas slurry should be used for soaking. Before the sunning. In order to improve the water absorption of the seeds, the seeds were selected for fine weather and sun-dried for 1 to 2 days before soaking in biogas slurry to break the dormancy.
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Test method: 1.5 mu was soaked with 100% biogas slurry for 24 hours. The biogas slurry used was a biogas digester that produced biogas for more than two months, and another 1.5 mu was used as a control field. The test method first put the seeds into a plastic woven bag with good water permeability. Generally, each bag contains 10 to 20 kg, leaving a certain space for the seeds to expand after absorbing water, and then tighten the bag mouth. Next, the bag containing the seed is hoisted into the middle material liquid in the discharge room of the digester by a rope. A bamboo stick is horizontally placed on the outlet opening, and the other end of the rope is tied in the middle of the bamboo stick so that the bag is suspended in a fixed position. Soaking position. The garlic seeds were immersed again for 24 hours and the seed bag was put forward, and the biogas slurry was drained, washed and then planted.