求翻译：植物生长调节剂虽能促进作物逆境修复，但单一使用效果有限，且剂量不易控制，而与营养调控综合运用后两者可以取长补短，取得更好的效果上是什么意思？

Plant growth regulators to promote the crop adversity repair, but a single use of limited effect and the dose is difficult to control with the integrated use of nutritional regulation between the two can complement each other, to achieve better results

Although plant growth regulator to promote crop adversity repair, but single-use effectiveness is limited, and the dose is not easy to control, and nutrition and control after the mix can both learn from each other and to achieve better results

Although the plant growth regulator can promote the crops adverse circumstance repair, but uses the effect to be limited solely, also the dosage not easy to control, but both may make up for one's deficiency by learning from others' strong points after the nutrition regulation synthesis utilization,

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