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首页> 外文期刊>Journal of Plant Nutrition >Effect of various phosphorus and calcium concentrations on potato seed tuber production
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Effect of various phosphorus and calcium concentrations on potato seed tuber production

机译：各种磷和钙浓度对马铃薯种子块茎生产的影响

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Although the effects caused in plants by the calcium (Ca)-phosphorus (P) interaction in calcareous soils are well documented, very few studies report on such effects in nutritive solutions or hydroponic cultivation. In a sand and perlite (1:1volume) hydroponic system, effects of various P (21, 42, and 63ppm) and Ca (120, 180, and 240ppm) concentrations on potato tuberization were studied. A factorial experiment based on a completely randomized design with three replications was conducted. For maximum tuber yield and tuber number production, 21 and 42ppm P was sufficient, respectively. Increase in P and Ca concentrations in nutrient solutions in early growing season resulted in an increase in shoot and root weight, leaf area, and shoot length linearly, but tuber yield and tuber number did not follow this trend. The maximum tuber specific gravity and total solid percent were also observed in 42ppm P. The highest tuber number and tuber yield were observed in 120ppm Ca concentration.
机译：虽然钙（CA） - 磷（P）在钙质土壤中植物（P）在钙质土壤中的相互作用造成了很好的记录，但研究营养溶液或水培培养的效果很少有关。 在砂和珍珠岩（1：1：1Volume）水耕系统中，研究了各种P（21,42和63ppm）和Ca（120,180和240ppm）浓度的土豆结节的效果。 进行了基于完全随机设计的阶乘实验，进行了三种复制。 对于最大块茎产量和块茎数产量，分别为21和42ppm p。 早期生长季节营养溶液中P和Ca浓度的增加导致枝条和根部重量，叶面积和线性射击长度的增加，但块茎产量和块茎数量没有遵循这种趋势。 在42ppm p中也观察到最大块茎比重和总固体百分比。在120ppm ca浓度下观察到最高的块茎数和块茎产率。

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