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首页> 外文期刊>Journal of Plant Nutrition >Shoot and root biomass, phosphorus and nitrogen uptake of spring wheat grown in low phosphorus and moisture content conditions in a pot experiment
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Shoot and root biomass, phosphorus and nitrogen uptake of spring wheat grown in low phosphorus and moisture content conditions in a pot experiment

机译：在锅实验中射击和根部生物量，春小麦生长春小麦的氮素吸收，在锅实验中的水分含量条件

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摘要

A pot experiment was done in a greenhouse to investigate the effect of low phosphorus (P) and moisture content on growth and yield components of four spring wheat (Triticum aestivum L.) varieties. Days to emergence of seedlings were shortened, plant height, tiller number, and SPAD (Soil-Plant Analyses Development) index of the leaves were significantly (p&0.01) reduced by low P. Root and shoot biomass, nitrogen and P uptake decreased significantly with low moisture and P content in the potting mix. Moisture and P interactions had a significant (p&0.01) effect on shoot and root biomass and P uptake and these variables were closely related to each other with regression (Coefficient of determination R-2) values ranging from 0.72 to 0.90. The study underlines the strong relationship between moisture, P availability and uptake and provides more information on P nutrition during the vegetative stage of wheat in moisture and P deficient soils.
机译：在温室中进行了一个锅实验，以研究低磷（P）和水分含量对四个春小麦（Triticum aestivum L.）品种的生长和产量组分的影响。 幼苗出现的日子缩短，植物高，分蘖数和叶片（土壤 - 植物分析发育）叶片的指数显着（P＆amp; 0.01）减少了低P.根和芽生物质，氮和P吸收 灌封混合物中的低水分和P含量显着降低。 水分和P相互作用具有显着的（P＆amp; 0.01）对芽和根生物量和P吸收的影响，并且这些变量彼此密切相关（测定系数R-2）值范围为0.72至0.90。 该研究强调了水分，P可用性和吸收之间的强大关系，并在水分和P缺陷土壤中营养阶段的P营养提供了更多信息。

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