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杂交向日葵种子的引进推广,将是向日葵生产的一次技术革命。杂交种子有较强杂交优势,无论产量还是品质都有明显的提高,一般可比当地农家品种增产50%~100%。经过近几
The introduction of hybrid sunflower seeds to promote the sunflower production will be a technological revolution. Hybrid seeds have strong heterosis, both yield and quality have significantly improved, generally than the local farmers increased yield 50% to 100%. After several recent