七、红萍的综合利用 1.作绿肥:每50公斤鲜萍相当于0.5公斤硫铵、0.25公斤过钙和0.25公斤硫酸钾。在稻田采取水稻宽窄行畦栽养萍方式,年产鲜萍可达3000-4000公斤/亩;莲田年产鲜萍5000-6000公斤/亩。每亩用2000公斤红萍作稻、莲田基肥和1000公斤红萍作追肥,可增稻谷4％-8％或莲籽6％- Comprehensive utilization of Hongping 1 for green manure: every 50 kg of fresh Ping equivalent to 0.5 kg of ammonium sulfate, 0.25 kg of calcium and 0.25 kg of potassium sulfate. In paddy rice to take the width and width of rice planted Ping way, with an annual output of up to 3000-4000 kg of fresh Ping; acres of fresh lotus Tian 5000-6000 kg / mu. 2000 kg of red duck per acre for rice, paddy field base fertilizer and 1,000 kg of red duckweed for top dressing, can increase 4% -8% of rice or lotus seeds 6%