1·Summer fallow is the best method of destroying weeds.
夏季休耕是消灭杂草的最好办法。
2·Summer fallow is the best method of destroying weeds.
休耕是消灭杂草的最好办法。
3·The levels both of amount and energy of soil water were remarkably raised by adoption of mulch with straw in seedling stage as well as in summer fallow time in some cases.
采用夏闲期并苗期秸秆覆盖，能有效提高耕层土壤水分的数量水平和能量水平；
4·Key point of the technique is to solve water shortage during winter wheat growing period by collecting water from peak rainfall in summer fallow season and storing it in the soil bank.
这项技术突出的特点是：把解决旱地冬小麦生长期缺水问题的重点放在降雨高峰期，将天然降雨蓄、盖、聚在土壤中，并与冬小麦全生育期地膜覆盖穴播有机的结合起来。
5·There followed something of a fallow period professionally, until a job came up in the summer.
接下来事业上出现了一个空档，直到夏天的时候来了份新工作。
—— 《柯林斯英汉双解大词典》