他说干旱已连续两年造成严重农作物歉收。
He said drought had led to severe crop failure for the second year running.
不会发生干旱、洪水或害虫导致与天气相关的农作物歉收的现象。
There would be no weather-related crop failures due to droughts, floods or pests.
经过生物工程改造的棉花种植场可以生产自己的抗棉铃虫杀虫剂，而棉铃虫是造成农作物歉收的主要原因，直到今年，棉铃虫的危害都很小。
Plantings of cotton bioengineered to produce its own insecticide against bollworms, a major cause of crop failure, sustained little bollworm damage until this year.
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