一忌播种时临时调酸。播种前临时施入硫磺，因时间短，起不到防止生枯病的作用。用硫磺调酸最好在播种前1个月施入上中。二忌催长芽。催芽过长，播种不易均匀，且易翻运断芽，或塌谷压断种芽。旱育秧以种子破胸露白播种为宜，盖种力求均匀。三忌浇水过多。否则达不到旱育的目的 Avoid sowing temporarily adjust the acid. Temporarily applied before sowing sulfur, due to a short time, fail to prevent the role of dead leaves. It is best to use sulfuric acid to soothe one month before sowing. Two bogey long buds. Germination is too long, sowing is not easy uniform, and easy to translocate broken buds, or collapse of the valley crushed buds. Upland seedlings to break the seeds of chestnut dew sowing is appropriate, cover and seek uniform. Three avoid excessive watering. Otherwise, reach the purpose of drought relief