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1、蚕类提取液。用干蚕类1公斤加水10公斤,煮开后小火熬1小时,搅拌过滤,即可得2—3公斤原液。使用时再按1公斤原液兑水20公斤的比例配制,亩用50—100公斤喷雾。 2、人尿液。用充分腐熟的人尿10公斤加水50公斤即成。亩用50—80公斤。 3、磷酸二氢钾液。用新鲜草木灰5公斤兑水40—50公斤浸泡,并取过磷酸钙2公斤撒入浸泡液中搅匀,半天后滤取清液。余在盆里的残渣再加水20—30公斤浸泡过滤,然后合并滤液,兑水稀释至100公斤。可喷1亩水稻或玉米。 4、过磷酸钙浸出液。用过磷酸钙4—5公斤加水100公斤,浸泡一昼夜,滤取。 5、尿素液。按1—2公斤尿素加水100公斤的比例配制。亩用75—100公斤喷雾。
1, silkworm extract. Dried silkworm 1 kg water 10 kg, boiled small boil 1 hour, stirring filter, you can get 2-3 kg stock solution. When used by 1 kg of liquid watered 20 kg ratio of preparation, mu with 50-100 kg spray. 2, human urine. Completely decomposed human urine 10 kg of water 50 kg Serve. Mu with 50-80 kg. 3, potassium dihydrogen phosphate solution. With fresh ash 5 kg watered 40-50 kg of soaking, and take over 2 kg of calcium phosphate dipped into the soaking liquid and stir well, half a day after the filtrate was filtered off. I residue in the basin and then add water 20-30 kg soaking filter, and then combined filtrate diluted with water to 100 kg. Can spray 1 mu of rice or corn. 4, superphosphate leaching solution. With superphosphate 4-5 kg water 100 kg, soak for a day and night, filtration. 5, urea solution. Press 1-2 kg urea water 100 kg ratio of preparation. Mu with 75-100 kg spray.