求翻译：本文从羽毛中提取了复合氨基酸，并将其配制成200倍液、300倍液、400倍液用在白菜种植上，观察对蔬菜生长的影响。试验结果表明, 氨基酸能显著提高白菜单株重量, 但对本试验中设置的其他指标无显著影响。生产上如施用氨基酸, 以稀释300倍喷施为好。是什么意思？

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This article has withdrawn the compound amino acid from the feather, and compounds it 200 time of fluids, 300 time of fluids, 400 time of fluids uses in the cabbage planter, observes influence which grows to the vegetables.The test result indicated that, the amino acid can obviously enhance a white

This article was extracted from the feathers of compound amino acids, and preparing it into liquid, 300 times, 200 times times times more liquid, liquid used in Chinese cabbage grown on 400 times times, observing the effect on growth of vegetable. Test results show that the amino acid can significan

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