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首页> 外文期刊>African Journal of Biotechnology >Growth and yield responses of Sphenostylis stenocarpa (Hochst ex. A Rich) Harms (African yam bean) to potassium application
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Growth and yield responses of Sphenostylis stenocarpa (Hochst ex. A Rich) Harms (African yam bean) to potassium application

机译：Sphenostylis stenocarpa（Hochst ex。A Rich）危害（非洲山药豆）的生长和产量对钾肥的响应

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摘要

Responses of African yam bean (Sphenostylis stenocarpa) to supplementary application of potassium (K) on soil were examined. Effects of the varying levels of potassium on vegetative growth, flowering, pod maturation, yield and yield components were also evaluated. There seems to be no significant mean effect (P > 0.05) upon K application on the above ground parameters of African yam bean. Similarly, soil enrichment with K had no significant effect (P > 0.05) on below ground parameters of the crop. Mineral elemental applications had no significant effect (P > 0.05) on days to 50% flowering but their effect on the number of flowers per plant for example 192.75 ± 9.87 flowers per plant in 550 kg? K/Ha treatment as against 145.13 ± 18.02 flowers per plant in the control treatment were significantly different. However, grain yield per hectare increased significantly (P < 0.05) with increasing levels of K application when compared to controls.
机译：研究了非洲山药豆（Sphenostylis stenocarpa）对土壤中钾（K）补充施用的响应。还评估了钾水平不同对营养生长，开花，荚果成熟，产量和产量构成的影响。施钾对非洲山药豆的上述地面参数似乎没有显着的平均影响（P> 0.05）。同样，土壤钾肥对作物地下参数也无显着影响（P> 0.05）。矿物元素的施用对开花达到50％的天数没有显着影响（P> 0.05），但是它们对每株植物的花数产生影响，例如550千克中每株植物的花为192.75±9.87。对照处理中每株植物的K / Ha处理相对于145.13±18.02朵花有显着差异。然而，与对照相比，随着施钾水平的提高，每公顷谷物产量显着增加（P <0.05）。

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