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本试验目的是探明广东中部丘陵地区不同地力的杂交稻与常规稻千斤栽培的吸氮水平和吸氮特点,为制订合理的施氮措施,提高氮肥的经济效益提供依据。试验材料及方法 1982——1985年广东省农科院水稻所和广州市农业局主持组织从化、增城、花县等县农科所及花县新华、广州市郊人和、增城镇龙等区农科站进行水稻稳产千斤技术规程研究。试验分两组:一组施氮量试验,分别亩施纯氮0、8、15、20、25、30、35斤;另一组施氮
The purpose of this experiment is to ascertain the characteristics of nitrogen uptake and nitrogen uptake of hybrid rice and conventional rice under different soil fertility in the hilly area of central Guangdong Province and provide the basis for formulating reasonable nitrogen application and improving the economic benefits of nitrogen fertilizer. Experimental materials and methods 1982 - 1985 Rice Institute of Guangdong Academy of Agricultural Sciences and Guangzhou Municipal Bureau of Agriculture hosted the Conghua, Zengcheng, Huaxian counties and other agricultural science and Xinhua County, Huaxian, suburban and Guangzhou, Zengcheng Long agricultural Section Station rice stable yield kilograms of technical regulations. Tests were divided into two groups: a group of nitrogen application test, respectively, Mushi nitrogen 0,8,15,20,25,30,35 kg; another group of nitrogen