秋茭白孕茭肥是决定茭白产量高低的一次关键性肥料。如施用得当不但产量高,而且结茭早、茭穗大、品质优、经济效益高。施肥过早或过迟、或方法不当,往往会引起植株徒长,结茭期推迟,或茭穗小、产量低、品质差。根据我地茭农的施肥经验,施好秋茭孕茭肥应做到“三看”:一、看叶龄,掌握适期据观察,秋茭白全生育期总叶龄数一般在24叶左右,当主茎叶龄长到19～20 Autumn 茭 white pregnant 茭 fat is a critical fertilizer to determine the level of 茭 white output. If properly applied not only high yield, but also knot early, 茭 spike big, good quality, high economic efficiency. Fertilization too early or too late, or improper method, often lead to leggy plants, knot delay, or small spike, low yield, poor quality. According to my local farmers fertilization experience, good autumn 茭 pregnant 茭 fertilizer should be “three see ”: First, look at leaf age, control of the period According to the observation, autumn 茭 white whole growth period total leaf age is generally 24 Leaves around, when the main stem leaf age up to 19 ~ 20