合理的水浆管理,是增加水稻有效分蘖,争取穗大粒多的重要栽培措施之一。我县大部分水田,是由浅海沉积物发育而成的淡塘泥田和灰泥田,地势平坦,质地粘重。又因长期来多数以串灌为主,不但排水性差,而且渗漏性也很差,因此有不少田 Rational water slurry management is one of the important cultivation measures to increase effective tillers of rice and to obtain large grains and spikes. Most paddy fields in our county are shallow ponds and stucco fields developed from shallow sea sediments. They are flat and strong in texture. Because of the long-term majority of string irrigation, not only poor drainage, but also very poor leakage, so there are quite a few fields