我县位于广州市北郊,属半丘陵地区,稻田面积36万亩,由于寒露风的影响,晚造产量很不稳定。1977年晚造在省农科院的支持下,进行多点试种“桂朝2号”,表现很好。1978年早造采取单株繁殖,种了2300多亩,获得丰收,当年晚造扩大到十三万亩,其中“桂朝2号”十万亩。 My county is located in the northern suburbs of Guangzhou City, is a semi-hilly area, paddy area of ​​36 mu, due to the impact of cold dew, late production is very unstable. Made in the evening of 1977, with the support of the Provincial Academy of Agricultural Sciences, the multi-point trial “Gui Chao 2” performed well. As early as 1978 to take a single plant breeding, planted 2,300 acres, bumper harvest, then made late to expand to 130,000 acres, of which “Gui Chao 2” 100,000 mu.