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1堆肥宜大不宜小。严寒季节气候寒冷,为促进肥堆升温腐熟,冬季积肥存肥的肥堆要适当加大。一般直径3—4m,高2m左右为佳。如肥堆过低过窄,寒气四侵,热量散失快,肥料腐熟缓慢,质量差。另外有些农户在冬春季将肥料运刭农田小堆存放或撒施地面,这些做法对保氮十分不利。故此,一般冬春送肥宜在地头大堆封存,耕前在撒入地内为好。2盖土封泥保肥效。冬季积肥在四周和堆顶要采取盖土封泥的措施:即盖一层土或一层麦
A composting should not be small. In the cold season, the weather is cold. In order to promote the maturity of the heap, the winter heap fertilizer should be appropriately increased. General diameter of 3-4m, about 2m high is better. Such as fat too low too narrow, cold four encroachments, fast heat loss, fertilizer maturity slow, poor quality. In addition, some peasants transported small amounts of fertilizer and farmland to the ground during winter and spring, which is very unfavorable for nitrogen retention. Therefore, the general winter to send fertilizer should be piled on the ground pile, before planting in the soil as well. 2 Cover clay to protect fertilizer efficiency. Winter fertilizer in the four weeks and heap to cover the soil to take measures to cover the soil: cover a layer of soil or a layer of wheat