Under the irrigation conditions at present, the main limited factor of productivity is soil quality.

在现有灌溉条件下，土壤质量是制约生产力的主导因子。

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Irrigation amount of corn is optimized under the existing irrigation conditions, and the water saving method of corn is suggested.

优化了灌区现有灌溉模式下玉米的灌溉量，建立了灌区玉米的节水灌溉模式。

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Based on plant growth analysis theory, this paper studied the plant growth characteristics of winter wheat under sprinkler and surface irrigation conditions.

采用作物生长分析的方法，研究了喷灌和地面灌溉条件下冬小麦生长动态的变化规律。

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Because rice is grown in heavily irrigated conditions, it is more susceptible than other staple crops to environmental pollutants in irrigation water.

BBC: US rice imports 'contain harmful levels of lead'

These conditions are forcing the farmers to plant alternative crops and to search for other sources of irrigation.

CNN: 'Climate change' forces Eskimos to abandon village

The 28, 000-square foot indoor arena touts regulation-sized basketball court, batting cages, and a clay tennis court with its own irrigation and leveling systems that mean the court can be climate-adjusted to resemble the different playing conditions a tennis pro might encounter in tournaments around the world.

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