摘要
1Technology companies are raising hundreds of millions of dollars to develop farm products that use microbes(微生物)and seaweed to grow crops.The move comes at a time when fertilizer prices are very high and increasing attention is be⁃ing paid to how food is produced around the world.2Microbes,including fungi(真菌)and viruses,have been available for years as treat⁃ments to protect plants from insects and disease,with mixed outcomes,but developers are increasingly using them as natural ways to support crops while keeping up crop production levels.
