Farmyard manure is indeed a very good source of organic fertilizers, but we often find that when we use it, the fields that have used farmyard fertilizers sometimes have a lot of underground pests, and there is a tendency to increase year by year. This is related to improper use of farmyard manure. There are indeed many pests in farmyard manure, such as cockroaches and worms. If they are not treated or handled improperly, pests will multiply, and they will harm vegetables, grains, fruits and other crops after application. Production must pay attention to the treatment of farmyard fertilizers. After several years of experiments, the author has achieved good results. Now the main points of the treatment of common farmyard fertilizers are introduced as follows for farmers' reference. 1, chicken and duck dung flat, dried, thin, mix 1 kg of phoxim per cubic meter. After mixing, it is piled into a circular table shape, and is crushed with mud. It can be applied after 15-20 days. 2, cattle and sheep manure fresh cow dung, sheep manure mix 30% of plant ash, and then spread to 10 cm thick, spraying 1 kg of liquid per square meter. Liquid preparation: water, 1605, carbendazim ratio is 100:0.2:0.3. 3, when the human pig manure to dry to the semi-dry, piled into a high 50 cm round-Taiwan-shaped, with a mud flat, with a wooden stick inserted in the top of a number of seepage holes, hole depth 40 cm, and then filled with liquid medicine. Liquid preparation: The ratio of water to trichlorfon is 100:0.5.
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