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近年,随着我国农业科学技术和育种手段的不断提高,一批高产、优质、高效的农作物新品种投入市场,但由于各方面原因,致使新品种在推广阶段得不到及时推广而失去价值。大余县是农业县,气候条件优越,年平均温度18.4℃,年有效积温4 200~4 500℃,年降雨量1 700mm,年无霜期301d,优越的光温资源和良好的水利实施条件,十分有利我县农作物高产栽培,但是
In recent years, with the continuous improvement of agricultural science and technology and breeding methods in China, a number of new crop varieties with high yield, high quality and high efficiency have been put on the market. However, due to various reasons, the new varieties have lost their value in the promotion period without timely promotion. Dayu County is an agricultural county with excellent climatic conditions, with an annual average temperature of 18.4 ℃, annual effective accumulated temperature of 4 200-4 500 ℃, annual rainfall of 1 700 mm, annual frost-free period of 301 days, superior light and temperature resources and favorable conditions of water conservancy, Benefit my county high-yielding crop cultivation, however