Annual alfalfa production method using biogas slurry
A production method and technology of alfalfa, which is applied in the field of agricultural waste resource treatment, can solve the problems of lack of organic matter and humus, decline of alfalfa yield and quality, and damage to soil aggregate structure, so as to expand treatment channels, reduce environmental pressure, and increase production and quality effects
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Embodiment 1
[0024] Embodiment 1: a kind of alfalfa anniversary production method utilizing biogas slurry, specifically comprises the steps:
[0025] Step 1, after the land is leveled, the phosphate fertilizer and potash fertilizer as the base fertilizer are applied into the soil at one time, and the phosphate fertilizer is superphosphate, and its fertilization rate is 120kg / ha, and the potash fertilizer is potassium sulfate, and its fertilization rate is 150kg / ha. Base fertilizer urea 48kg / ha;
[0026] Step 2, alfalfa seeds are sown according to 15kg / ha seeding rate, and the row spacing is 30cm;
[0027] Step 3, after the alfalfa has been mowed once, ditch and apply 12kg / ha of urea, and at the same time, topdress the biogas slurry according to the nitrogen content of 24kg / ha. After the biogas slurry is immersed in the soil, the land is leveled;
[0028] Step 4: After the alfalfa is continuously mowed twice, ditch and topdress the biogas slurry with a nitrogen content of 24kg / ha. After th...
Embodiment 2
[0030] Embodiment 2: a kind of alfalfa anniversary production method utilizing biogas slurry, specifically comprises the steps:
[0031] Step 1, after the land is leveled, the phosphate fertilizer and potash fertilizer as the base fertilizer are applied into the soil at one time, and the phosphate fertilizer is superphosphate, and its fertilization rate is 100kg / ha, and the potash fertilizer is potassium sulfate, and its fertilization rate is 120kg / ha. Base fertilizer urea 40kg / ha;
[0032] Step 2, alfalfa seeds are sown according to 12 kg / ha seeding rate, and the row spacing is 25cm;
[0033] Step 3, after the alfalfa is cut once, ditch and apply 10kg / ha of urea, and at the same time, topdress the biogas slurry according to the nitrogen content of 20kg / ha. After the biogas slurry is immersed in the soil, the land is leveled;
[0034] Step 4: After the alfalfa is continuously mowed twice, ditch and apply biogas slurry with a nitrogen content of 20kg / ha. After the biogas slurr...
Embodiment 3
[0036] Embodiment 3: a kind of alfalfa anniversary production method utilizing biogas slurry, specifically comprises the steps:
[0037] Step 1, after the land is leveled, the phosphate fertilizer and potash fertilizer as the base fertilizer are applied into the soil at one time, and the phosphate fertilizer is superphosphate, and its fertilization rate is 110kg / ha, and the potash fertilizer is potassium sulfate, and its fertilization rate is 130kg / ha. Base fertilizer urea 45kg / ha;
[0038] Step 2, alfalfa seeds are sown according to 15kg / ha seeding rate, and the row spacing is 30cm;
[0039] Step 3, after the alfalfa has been mowed once, ditch and apply 12kg / ha of urea, and at the same time, topdress the biogas slurry according to the nitrogen content of 22kg / ha. After the biogas slurry is immersed in the soil, the land is leveled;
[0040] Step 4: After the alfalfa is continuously mowed twice, ditch and apply biogas slurry with a nitrogen content of 22kg / ha. After the bioga...
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