水稻是我国主要粮食作物,在我国东北和长江中下游地区种植非常广泛,水稻的夏季管理主要是中、晚稻的田间管理技术问题。水稻中、晚稻田间管理主要包括施肥、水分管理和病、虫、草防治等内容。本田期水稻施肥根据施肥的时间和效应又可分为分蘖肥、穗肥和粒肥3种;本田期的水分管理包括不同时期的灌排水和搁田等。 Rice is a major food crop in China. It is widely planted in the northeastern China and the middle and lower reaches of the Yangtze River in China. Summer management of rice is mainly about the field management techniques of middle and late rice. Rice, late rice field management includes fertilization, water management and disease, insects, grass control and so on. Honda period rice fertilization according to the time and effect can be divided into three kinds of tillering fertilizer, panicle fertilizer and grain fertilizer; Honda period of water management, including irrigation and drainage in different periods and Tian and so on.