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1 早调查早计划海南玉米生产的成本较高,为了降低市场风险需要进行市场调查。玉米生产的季节性要求尽早进行调查,认真深入地调查市场,仔细分析所需的玉米品种及其所需数量,确定海南玉米杂交制种的品种和生产数量,避免盲目生产、擅自扩大生产规模。2 选择适宜的地点、地块及农户海南省冬繁基地条件较好的三亚市、乐东县、陵水县,可作为制种地的首选。隔离条件必须符合要
1 Early Investigation Early Plan The cost of Hainan’s maize production is relatively high. Market research is needed to reduce market risk. The seasonality of corn production requires an early investigation, a careful and in-depth investigation of the market, a careful analysis of the corn varieties required and their required quantities, the identification of varieties and production quantities of maize hybrid seed production in Hainan, and the avoidance of blind production and unauthorized expansion of production scale. 2 Choosing suitable sites, plots and farmer households Sanya City, Ledong County and Lingshui County, with better conditions in winter and flourishing base of Hainan Province, can be the first choice for seed production. Isolation conditions must meet the requirements