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英国园艺发展委员会的研究表明,甜菜根施盐后产量可提高40％,菠菜增产25％,胡萝卜增产15％,在芹菜、萝卜、甘蓝、白菜等菜田里撒些盐,也可使这些菜长得茁壮,且不会改变蔬菜原有的味道。科学家们指出,适于施盐的应是那种钾含量充足的土壤。盐的使用量为每0.83m~2施加31g,最迟应在播种或栽种蔬菜之前1个月施。并非所有的蔬菜都喜欢盐,比如薯类、豌豆和莴苣田中就不能施盐。
According to a study by the British Horticultural Development Committee, yields of beetroots can be increased by 40% after salt application, by 25% for spinach and 15% for carrots, and sprinkling some salt in celery, radish, cabbage, cabbage and other vegetable fields Sturdy, and will not change the original taste of vegetables. Scientists point out that suitable for salt application should be the soil with sufficient potassium content. The amount of salt applied is 31g per 0.83m ~ 2, at least 1 month before sowing or planting vegetables. Not all vegetables like salt, such as potato, pea and lettuce fields can not salt.