合理的轮作 meaning in Chinese

rational crop rotation

At the time of promising head lettuce supplied all year round , we plant some kinds of other vegetables such as broccoli , cauliflower , cabbage , onion , garlic , pepper , carrot , and so on , for the sake of reasonable rotation . the actual yield is about5 , 000 tons
在保证结球生菜周年供应的同时,储备土地为了合理的轮作,种植部分其他蔬菜品种，如西兰花，白花菜，卷心菜，圆葱，大蒜，辣椒，胡萝卜等，年供应能力也在5000吨左右。