摘要
在江永县圣人山农业综合开发区，以由耕型砂岩红壤开辟的新稻田为供试土壤，以杂交水稻华联２号（早稻）和威优．６４（晚稻）为供试作物，探讨了新辟红壤性稻田的地力贡献及不同施肥模式对早、晚稻产量及其生育和营养特性以及土壤肥力的影响，并由此提出了新辟红壤性稻田上早、晚稻的适宜施肥模式．
Plot experiments were carried out to examine the effects of various fertilization models on hybrid rice growth,nutrient uptake and yield,and soil fertility in newly-reclaimed the paddy field from sandstone red earth.According to the results,fertilization models are recommended.
关键词
水稻土
红壤
水稻
氮肥
磷肥
肥效
paddy soil
krasnozem
paddy
nitrogenous fertilizer
phosphatic fertilizer
potassium fertilizer
fertilizer efficiency
