For example , a third to half of the ingredients of all dishes should be vegetables ( e . g . leafy vegetables , sprouts , gourds , root vegetables and tubers , mushrooms and seaweeds , as well as dry beans ) , with the rest being protein - rich food such as meat , poultry , fish , seafood and bean products . we should also remember to consume an adequate amount of grains , such as rice and noodles 例如蔬菜类(包括叶菜、芽菜、瓜类、根茎类、菌藻类和乾豆等)应占主菜的三分之一至一半左右，其余的才是肉、家禽、鱼、海鲜和豆制品等含丰富蛋白质的食物，并配以适量饭、面等五谷类食物。
Cooking products hengyang , restaurants , dishes practices : the main raw materials are eating rice , livestock , tree , etc . , in hengyang rich dishes , vegetarian to melons , vegetables , leafy vegetables , root vegetables , tofu mainly volunteers to the lake , tree , animal , poultry mainly seasonings to onions , ginger , garlic , pepper mainly oil to vegetable oil , tea oil , lard - based 衡阳烹调物产、饮食环境、菜肴习俗：主要饮食原料有稻谷、牲畜、河鲜等等，衡阳境内菜肴丰富，素菜以瓜菜、叶菜、根菜、豆腐为主，荤菜以湖、河鲜、家畜、家禽为主，佐料以葱、姜、蒜、辣椒为主，油料以菜油、茶油、猪油为主。
In china , its planting area is over 340 , 000 hectare every year , which is the second place in foliaceous vegetable planted . with the increase of the planting area , planting in winter naturally was paid much more attention to . temperature becomes the restrictive factor of quality and quantity because it is often exposed to low temperature during the winter 甘蓝是一种世界性的重要蔬菜，在我国甘蓝年种植面积达34万公顷以上，居叶菜类的第二位，近年来栽培面积不断扩大，露地越冬栽培也越来越受到重视，由于冬季经常遭受低温甚至零下低温的影响，温度就成了影响甘蓝露地越冬产量和品质的制约因素，但是关于低温对甘蓝影响的研究却很少。
