Kohler attributes the immediate cause of the abandonment to problems with corn production at a high altitude during short growing seasons.

科勒认为，（居住地）废弃的直接原因是高海拔地区的玉米生长季节较短，因此生产出现了问题。

Other archaeologists have identified the immediate cause of this abandonment to be a series of short growing seasons that would have put pressure on corn production at that high an altitude.

其他考古学家已经发现导致这种遗弃的直接原因是一系列短暂的生长季节，而这将会给生长在高海拔地区玉米的生产带来压力。

Corn production has jumped nearly 125 percent over the past 25 years, while rice has increased only 7 percent.

过去25年里，玉米产量增长了近125%，而大米产量只增长了7%。

Guide farmers to expand rice and corn production as well as to increase grain variety.

引导农民扩大粳稻、玉米、杂粮等农作物生产。

Iowa, which leads the country in corn production, will use 58% of its crop for ethanol this year.

艾奥瓦是美国玉米的主要生产基地，今年这里58%的玉米会用于生产乙醇。

On this basis for corn production to future climate change adaptation measures were discussed.

并在此基础上对玉米生产适应未来气候变化适应性措施进行探讨。

Main corn production in Shaanxi province lacks comparative advantages, so its market competition is low.

陕西农业的主要粮食产品在国内外没有比较优势市场，竞争力不强。

Demand for biofuel in America has led to an increase in corn production in Mexico and sugar cane in Brazil.

美国对于生质燃料的需求，提高了墨西哥的玉米，及巴西的甘蔗产量。

On the one hand, the output is over the demand, the processing type is single, corn production is overstocked;

一方面，生产量大于需求量，加工形式单一，玉米积压严重；

Northeast China is an important corn production area, "the three golden corn belt" is located in Jilin province.

东北三省是我国重要的玉米生产基地，“三大玉米黄金带”就位于吉林省。

It has obvious effect on soil ecological environment and corn production through improving desertification by using peat.

利用泥炭改良沙化退化土地，已见明显土壤生态环境改善、作物增产的效果。

During the decade of the 1980s, the area of corn production in Canada remained relatively stable at approximately one million ha.

八十年代，加拿大玉米种植面积保持相对稳定，大约一百万公顷。

Result shows that corn production in main producing areas is mainly scale inefficiency and is at the stage of decreasing returns to scale.

主产区玉米生产全要素生产率提高主要是由于技术进步速度大于技术效率下降的速度。

Maize Dwarf Mosaic disease is a kind of serious virus disease in corn production. It occurs in the corn producing areas all over the world.

玉米矮花叶病是玉米生产上的一类重要病毒病，在世界各玉米产区都有发生，长期以来一直严重影响着玉米的产量和质量。

Although corn production has fallen somewhat, due to effective control on corn-processing and exports corn prices should stabilize after May next year;

虽然玉米生产略有下降，由于对玉米加工和出口采取措施得力，玉米价格有望在明年五月之后稳定下来；

Of the total corn production in the world, more than 75% is used for livestock feed, 10% is processed for food, 10% is used for industrial products.

玉米是饲料之王，世界玉米总产量的75%以上用作饲料，10%加工食品，10%制造工业产品。

In the international market of domestic corn consolidation and corn prices high domestic corn production cost of planting, hind has dramatically higher price.

国内玉米市场在国际玉米价格高位盘整和国内玉米生产种植成本大幅提升下，后市具有较高的价格预期。

The high prices for corn - while driving hunger in Africa - have encouraged other farmers to turn over land from wheat, soybeans, or even pasture to corn production.

高涨的玉米价格在催生非洲的饥荒的同时促使更多农场主在自己原本种植小麦、大豆甚至牧草的土地上种玉米。

The expert system is full featured; technologically advanced software, reach the field expert level, is complementary and alternative agricultural experts to guide farmers in corn production;

系统建立的玉米缺素诊断专家系统具有功能完备，技术先进的专家系统，达到了领域专家级水平，补充和替代了农业专家指导农户的玉米生产；

Therefore, it is chief assignment to quickly boost mechanization of corn production. It is also an efficient approach to alleviate labor intensity and increase efficiency and income for peasant.

因此，加快推进玉米收获机械化是农业机械化的迫切任务，是减轻农民劳动强度、提高生产率、解放劳动生产力的有效途径。

Production of corn, cotton, rice, soybeans, and wheat has been largely mechanized, but many high-value, labor-intensive crops, such as strawberries, need labor.

玉米、棉花、水稻、大豆和小麦的生产已在很大程度上实现了机械化，但许多高价值、劳动密集型的作物，如草莓，都需要劳动力。

Production of corn, cotton, rice, soybeans, and wheat has been largely mechanized, but many high-value, labor-intensive crops, such as strawberries, need labor.

玉米、棉花、水稻、大豆和小麦的生产已在很大程度上实现了机械化，但许多高价值、劳动密集型的作物，如草莓，都需要劳动力。

Some critics have suggested that the production of corn ethanol uses up more fossil fuel energy than the biofuel energy it eventually produces.

一些批评人士指出，玉米乙醇的生产所消耗的化石燃料能源比它最终生产的生物燃料能源还要多。

The main plants that are used for biofuel production now are sugar cane, corn.

现在用于生物燃料生产的主要植物是甘蔗和玉米。

We support the production of corn, soybeans, cotton and wheat.

我们支持玉米，大豆，棉花和小麦的生产。

So, those plants will remain,” he says, and anticipates that as corn yields continue to increase over the next decade there will likely also be similar continuous growth in corn ethanol production.

因此，这些植物将不会收到任何影响。 可以预见，接下来超过十年的时间，玉米地将继续增加，玉米乙醇的生产也将得到相应的增长。

Its invention in the late 19th century made the commercial production of soft confections like fudge and candy corn possible.

自19世纪出现了玉米糖浆后，像乳脂软糖、玉米糖这样的软性糖果才得以投入生产。