一、推廣優良品種,是保證農業增產的重要措施之一。到一九五四年,我國糧食、油料作物良種的種植面積已達三億餘畝,棉花良種的種植面積已達五千五百萬畝,凡因地制宜地推廣良種,並採取相適應的耕作栽培技術的地方,均獲得顯著的增產效果,不僅提高了單位面積產量,並改善了農產物的品質。但另一方面,由於農業部門經驗不 First, to promote fine varieties is one of the important measures to ensure that agricultural production increases. By 1954, the acreage of fine varieties of grain and oilseed crops in our country reached more than 300 million mu, and the cultivated area of ​​fine varieties of cotton reached 55 million mu. Wherever the fine varieties are popularized according to the local conditions, appropriate cultivated cultivation should be adopted Technical areas, have achieved significant yield increase, not only increased yield per unit area, and improved the quality of agricultural products. But on the other hand, due to the agricultural sector experience is not