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在早稻育秧期间,秧苗除受“倒春寒”天气的影响外,还受土壤过糊(土壤缺氧或缺磷少钾),绿肥施用过多、过迟,冷水灌溉等因素的影响,造成早稻僵苗。为此,应采取以下几条补救措施: 一、改善土壤条件。对地势低洼、地下水位高、排水不畅的田块,要加深田外排水沟,降低地
During the early rice seedling season, the seedlings were affected by the weather of “late spring and cold”, but also affected by such factors as soil overgrowth (soil hypoxia or lack of phosphorus and potassium), overuse of green manure, late watering and cold water irrigation, seedling. To this end, should take the following remedial measures: First, to improve soil conditions. Low-lying low-lying, high groundwater levels, poor drainage of the plots, to deepen the field drainage ditch, lower ground