Drought is one of the most serious agricultural meteorological disasters, and the main limiting factor for raising winter wheat yield in North China.
干旱是华北平原最严重的农业气象灾害之一，是冬小麦产量稳定上升的重要限制因素。
When the nitrogen supply was not enough, it was main limiting factor of vegetable yield.
在氮供应不足的条件下，氮素是蔬菜产量的限制因子。
Soil water deficit is the main limiting factor affecting the growth and evapotranspiration of spring wheat.
土壤水分条件的恶化是影响春小麦生长和蒸发蒸腾的主要限制因子。
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