由于世界人口的增加和环境保护的需要，必须提高农作物的单位面积产量，而这必须依靠高科技手段，科技是兴农之本。据统计，全世界开垦农业使用面积（尤其是通过开垦森林）和由于荒漠化以及不合理地使用土地所造成的损失大致保持平衡。在世界人口不断增加的情况下之所以没... Due to the increase in the world’s population and the need for environmental protection, the yield per unit area of ​​crops must be increased. This must rely on high-tech means and science and technology are the basis for developing agriculture. It is estimated that the share of agricultural land reclaimed throughout the world, especially through the reclamation of forests, is generally in balance with the losses resulting from desertification and the unjustified use of land. The reason why the population in the world is constantly increasing ...