【正文】
development. Corn is China39。s three largest crop, maize is an important food crop, feed crop and economic crop in China39。玉米 是我國(guó)的第二大糧食作物。 玉米在我國(guó)具有悠久的 栽培歷史 ,因其喜暖濕氣候 ,在我國(guó)大部分地區(qū)都適宜種植 。 1 東北農(nóng)業(yè)大學(xué)學(xué)士學(xué)位論文 學(xué)號(hào): 我國(guó)玉米的生產(chǎn)現(xiàn)狀與發(fā)展趨勢(shì) Our country corn production situation and development trend 學(xué)生姓名: 指導(dǎo)老師: 所在院系:網(wǎng)絡(luò)教育學(xué)院 所學(xué)專(zhuān)業(yè): 農(nóng)學(xué) 東北農(nóng)業(yè)大學(xué) 中國(guó)哈爾濱 2021 年 10 月我國(guó)玉米的生產(chǎn)現(xiàn)狀與發(fā)展趨勢(shì) I 摘要 玉米作為我國(guó)三大作物之一,是 玉米是重要的糧食作物,飼料作物和經(jīng)濟(jì)作物 .在我國(guó)農(nóng)業(yè)生產(chǎn)和國(guó)民經(jīng)濟(jì)中占重要地位。 玉米產(chǎn)量的高低,經(jīng)濟(jì)效益的好壞直接影響 我國(guó)糧食安全及農(nóng)業(yè)生產(chǎn)的發(fā)展。 2021 年以來(lái),在市場(chǎng)的拉動(dòng)下,我國(guó)玉米供求關(guān)系由供大于需逐步轉(zhuǎn)向供求平衡甚至供應(yīng)偏緊的狀況,大力發(fā)展玉米生產(chǎn)對(duì)保障我國(guó)糧食安全,增加農(nóng)民收入,促進(jìn)國(guó)民經(jīng)濟(jì)又好又快發(fā)展具有重要意 關(guān)鍵詞: 玉米 生產(chǎn) 發(fā)展趨勢(shì) 問(wèn)題和差距 生產(chǎn)總量 生產(chǎn)條件 我國(guó)玉米的生產(chǎn)現(xiàn)狀與發(fā)展趨勢(shì) II Abstract Corn as China39。s agricultural production and national economy occupies an important position in the. Corn in China has a long history of cultivation, because of its hi humid climate, in our country major area is suitable for planting. Maize yield, economic efficiency has a direct impact on China39。s second largest food crop. Since 2021, pull in the market, our country corn supply demand relations by supply exceeds demand gradually shifted the equilibrium of supply and demand and supply slant tight situation, vigorously develop the corn production to ensure grain safety of China, increase farmer ine, promoting the sound and rapid development of national economy has important meaning Key words: Corn production development trend problem and gap production total production conditions 我國(guó)玉米的生產(chǎn)現(xiàn)狀與發(fā)展趨勢(shì) III 目 錄 目錄 摘要 .................................................................................................................................. I Abstract ...........................................................................................................................II 1 前言 ............................................................................................................................. 1 研 究的目的和意義 ........................................................................................ 1 ........................................................................................