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对苜蓿进行田间管理及病虫害防治的目的是为了生产高产优质的牧草。从苜蓿的销售价格来看,如牧草质量的各项指标中如有一项不合格将少收入50~100元/吨。因此,苜蓿的田间管理与病虫害防治是提高苜蓿的产量和质量的重要环节,种植户务必要严格把关。灌溉可使产量提高3~10倍以上。灌溉量苜蓿茎叶繁茂,蒸腾面积大,需水量要比一般作物多。一般每亩苜蓿每年的灌溉量约为250立方米,一次灌水量为80立方米。苜蓿的灌水
The purpose of field management and pest control of alfalfa is to produce high quality and high quality pasture. From the sale price of alfalfa point of view, such as forage quality indicators if there is a failure of the income of 50 to 100 yuan / ton. Therefore, field management of alfalfa and pest and disease control is an important part of improving the yield and quality of alfalfa, planting households need to be strictly controlled. Irrigation can increase the yield by 3 to 10 times. Irrigated alfalfa stems and lush, transpiration area, water demand more than the average crop. Generally, the annual irrigation amount of alfalfa is about 250 cubic meters and the irrigation volume is 80 cubic meters. Alfalfa irrigation