寒地黑土农区紫花苜蓿生产与品质对施肥和刈割频次的响应及效益分析

巩皓,杨柳,李丹丹,刘国富,肖知新,吴清莹,崔国文

Response of Alfalfa Production and Quality to Fertilization and Cutting Frequency and Benefit Analysis in Mollisol Agricultural Area in Cold Region

GONG Hao,YANG Liu,LI DanDan,LIU GuoFu,XIAO ZhiXin,WU QingYing,CUI GuoWen

表6 施肥时不同刈割频次的经济指标情况

Table 6 Economic indicators of different cutting frequency in fertilization

处理 Treatment 干草总产量 Total hay yield (kg·hm-2) 产值 Output value (元/hm2) 增产 Increase production (%) 增收 Increase in income (元/hm2) 肥料及人工成本 Fertilizer and labor cost (元/hm2) 纯增收 Net income (元/hm2) 产投比 Production/ Investment CK 10775.00 19395.00 — — — — — C1 11934.18 21481.52 10.76% 2086.52 100.00 1986.52 19.86 C2 12152.60 21874.68 12.79% 2479.68 1500.00 979.68 0.65 C3 13544.45 24380.01 25.70% 4985.01 1633.33 3351.68 2.05