中国近代水稻品种改良的作用与影响

近代水稻品种改良对中国近代经济与社会发展产生了重要影响。首先,良种在水稻产区的推广增加了水稻单产和总产,改善了品质,提高了农民的经济效益,对水稻种植制度和分布区域产生了一定影响。1941至1946年四川等12省因推广水稻良种共约增产稻谷1300多万担。其次,良种推广推动了区域农业开发,特别是抗日战争期间后方各省的农业开发。再次,近代的水稻品种改良对现代水稻育种科技和水稻生产的发展产生了深远的影响,近代水稻良种在1950年以后的水稻生产中发挥了重大作用,利用近代良种作为育种亲源育成的品种在50年代以后的水稻生产上亦占有很高的比例。此外,近代各农业院校和科研机构培养出一批水稻育种人才,他们成为50年代以后中国水稻育种的中坚力量。

The Function and Influence of Rice Variety Improvement in Modern China

Variety improvement of rice had a major impact on China's contemporary economic and social development.Quality varieties were popularized in the rice production regions to promote the rice yield per unit and the total grain yield as well,and rise the profit of the farmers.The quality of rice was also improved.Effect was also made on the growing system and areas of the rice.Between 1941 and 1946 the popularization of quality rice variety contributed to the entire rice yield increase of 13 million kg in Sichu...