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摘要本实验通过不同氮磷钾浓度比例配制成营养液对鸭儿芹进行水培,对鸭儿芹的鲜重、株高、根长进行测定、分析。结果表明:在鸭儿芹水培过程中氮磷钾浓度比的不同对鸭儿芹的生长状况影... 摘要 本实验通过不同氮磷钾浓度比例配制成营养液对鸭儿芹进行水培,对鸭儿芹的鲜重、株高、根长进行测定、分析。结果表明:在鸭儿芹水培过程中氮磷钾浓度比的不同对鸭儿芹的生长状况影响最大。N,P,K三因素对鸭儿芹鲜重和株高增长量影响的主次顺序为N>K>P,最佳条件为营养液中氮、磷、钾浓度比为3:5:7。N,P,K三因素对鸭儿芹根长增长量影响的主次顺序为P>K>N;最佳条件为营养液中氮、磷、钾浓度比为3:5:7。综合考虑最适合鸭儿芹水培的最佳氮磷钾浓度比为3:5:7。
关键词 鸭儿芹;水培;营养液;增长量
题目 鸭儿芹水培最佳氮磷钾浓度比例的研究
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竹乡记忆
2008-05-30 · TA获得超过209个赞
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用金山词霸或gogle在线翻译来翻译
Ap child-Qin water culture the best concentration of nitrogen, phosphorus and potassium ratio of
Abstract of the experiment through different concentrations of nitrogen, phosphorus and potassium ratio of preparing a nutrient solution to the duck child-Qin water culture, the duck's son-Qin fresh weight, height, root-determination, analysis. The results showed that: the duck child-Qin water culture in the course of nitrogen, phosphorus and potassium concentration different than the ducks on the growth of child-qin the greatest impact. N, P, K three children on the duck fresh weight and height-qin growth of primary and secondary effects of the order of N> K> P, the best conditions for the nutrient solution in the nitrogen, phosphorus and potassium concentration ratio of 3:5:7 . N, P, K factor of three infants celery root length duck growth of primary and secondary effects of the order of P> K> N; best conditions for the nutrient solution in the nitrogen, phosphorus and potassium concentration ratio of 3:5:7. Considered the most suitable water culture duck child-qin the best concentration of nitrogen, phosphorus and potassium ratio of 3:5:7.
Keywords duck child-qin; water culture; nutrition; growth rate
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2008-05-16 · 超过90用户采纳过TA的回答
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雅虎翻译也不错
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