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1·In Mexico in 1944, many experts warned of mass starvation in developing nations where populations were expanding faster than crop production.

在1944年的墨西哥，许多专家警告，发展中国家的人口增长速度快于粮食生产，会出现大规模饥荒。

2·Agriculture takes place in nature, among ecosystems of interacting organisms and activity, and crop production takes place within that ecosystem environment.

农业是在大自然中进行的；大自然里的生态系统中各种生物和活动相互影响，而粮食的生产正是处在这样的生态环境中。

3·One acre of farmland used for crop production can produce 1,500 pounds of tomatoes.

一英亩的农田可以生产1500磅西红柿。

4·Drought is a major constraint to crop production worldwide.

干旱是作物生产的一个主要限制因子。

5·You are basically extending your crop production on borrowed water.

那么你就只能靠借水才能维持作物生产。

6·In rural India the group is assisting farmers with crop production.

在印度的乡下，组织帮助农场主提高作物产量。

7·They say the fall in crop production is causing food prices to rise.

他们指出，粮食产量下降正导致价格上涨。

8·Agronomy a branch of agriculture dealing with soil management and crop production.

农学，农艺学：农业的一个分支，主要研究土地的管理和作物的生产。

9·Many of the past crop production practices have resulted in environmental problems.

过去的许多耕作措施导致了很多环境问题。

10·Botrytis cinerea can cause great lose in crop production because of the wide host area.

灰霉由于具有广泛的宿主范围，因而可以引起农业生产中的巨大损失。