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Effect of P application on the root nodulation of Frankia of alder (Alnus acuminata) plantations in andisols of Costa Rica. Efecto de la fertilización con fósforo sobre la nodulación de Frankia en plantaciones de Alnus acuminata en andisoles de Costa Rica.

mag(2006)

Cited 23|Views22
Key words
genomes,nutritional requirements,hybrids,acrisol,nitrogen,photosynthese,soil biology,soil conservation,varieties,genome,mode of action,environmental impact,cover crops,crops,fungicides,minimum tillage,growth,nitrogen fixing bacteria,photosynthesis,canopy,genotypes,plant physiology,pesticide,root pressure,vegetative propagation,anabolism,genetics,phosphorus,population dynamics,agroforestry,biodiversity,biological competition,biomass,phylogeny,pruning,pesticides,seasonal variation,rflp,sampling,carbon dioxide,plant ecology,simbiosis,bacteria,nitrification,nitrogen metabolism,plant communities,crop yield,sol,molybdenum,plant anatomy,selection,pest control,wood,gene,leaves,root nodules,evaluation,green manures,phenotype,taxonomy,nitrogenase,dna,soil fertility,dolomite,genotype,symbiosis,biofertilizers,genera,genes,soil mechanics,root systems,inoculation,phenotypes,fertilisation,genetic variation,carbon,isolation,simulation models,genre,organic matter,weed control,cout,nitrogen fixation,soil ph
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要点】:本文研究了磷肥施用对哥斯达黎加安德土壤中刺槐植物(Alnus acuminata)与Frankia菌根瘤形成的影响,揭示了磷肥用量与根瘤数量和质量的关系。

方法】:通过在温室条件下对不同磷浓度处理的土壤进行种植实验,监测了Alnus acuminata的生长及Frankia根瘤的形成。

实验】:实验使用了安德土壤,对Alnus acuminata进行种植,并施加不同浓度的磷肥,结果表明适量磷肥促进了根瘤的形成,但过量磷肥则抑制了根瘤的生长,实验数据集未在文中明确提及。