Throughout the South, there was a substantial output of hay8 and animal products and of Indian corn, wheat, and other grains.
在整个南方地区，干草、动物制品、印第安玉米、小麦与其他谷类作物的产量很高。Yields are also up in the two countries, and the UN agency predicts bumper cereal crops in 2008.
这两个国家的单产亦提高，而且该联合国机构还预计2008年的谷类作物将丰收。However, organic vegetables and cereal crops like maize and wheat had a lot lower yields compared to conventionally grown crops.
然而，有机蔬菜和像玉米及小麦这样的谷类作物的产量比常规种植作物低很多。By 2080, according to government scientists in South Africa, the region can expect to see a 50% drop in crops of all the cereals.
据南非政府科学家称，预计至2080年该地区所有谷类作物产量将下降50%。The fibrous root system in cereals comprises primarily adventitious roots (ARs), which play important roles in nutrient and water uptake.
谷类作物的须根系主要由不定根组成，在营养物质和水分吸收中发挥重要作用。Grain crops are likely to develop faster with increased carbon dioxide in the atmosphere.
随着大气中的二氧化碳增多，谷类作物可能生长得更快。The International Monetary Fund estimates that 70% of the increase in corn prices in 2008 was due to demand from ethanol production.
对于2008年谷类作物价格的高企，国际货币基金组织估计有70%的原因是燃料乙醇需求的增加。Potatoes are a good source of nutrients. And farmers can plant them in rotation with grain crops.
土豆是个很好的营养来源，农民可以将它与谷类作物轮种。The potential values of cereal crops may be excavated by multiplying the chromosomes.
通过多倍化途径有可能进一步挖掘禾谷类作物的潜在利用价值。