Water-retaining biological organic-inorganic composite fertilizer
An inorganic composite and aquatic biological technology, applied in the direction of fertilizer mixture, fertilization device, application, etc., can solve problems such as loss, achieve good air permeability, increase seed germination rate, and reduce planting costs
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[0009] Example 1
[0010] First, weigh according to the following components and their respective weight ratios: 2-10 kg of bio-organic fertilizer, 150 kg of weathered coal, 200 kg of grass charcoal, 30 kg of vermiculite, 40 kg of black humic acid, 2 kg of zinc sulfate, 400 kg of urea, 150 kg of potassium dihydrogen phosphate, and 28 kg of water-retaining agent, then pulverize grass charcoal, weathered coal, vermiculite, and urea to a particle size of less than 3 mm, and then mix with black humic acid, zinc sulfate, potassium dihydrogen phosphate , Mix the water-retaining agent, according to the proportion of the formula, put the larger proportion first and then the smaller proportion, add them into the mixer in turn, after stirring and mixing evenly, extrude and granulate it to make a diameter of The particles of 2-5 mm are polished, dried, sieved, measured and packaged to be the finished product of water-retaining fertilizer.
[0011] The produced water-retaining bio-organi...
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