Directory UMM :Data Elmu:jurnal:S:Soil Biology And Chemistry:Vol32.Issue8-9.Aug2000:
Teks penuh
Dokumen terkait
Validation of the enriched 15 N isotope dilution technique and the 15 N natural abundance method for studying symbiotic N 2 ®xation in permanent grassland using various
Experiment II: shoot (a) and root (b) dry weights (mg) of let- tuce plants cultivated for 2 weeks with or without 200 m M ferulic acid (FA) and in the presence of ®ve
Our experiment con®rmed that during culture in agar earthworms loose all soil from their gut and may be used for chemical analysis with- out any disturbance from elements
Absolute cell numbers alone do most likely not allow a good predic- tion of CH 4 productivity for two reasons: First, the variability between dierent soil cores is too high
Our objectives with this work were (1) to assess whether elevated [CO 2 ] aected the basic litter quality of senesced litter from an area with naturally elevated levels of
Of ®elds with a history of high infestation of Apha- nomyces root rot, two groups could be distinguished: one group had textural properties similar to the soils from the tills
Probability values summarizing the in¯uences of tillage, depth, date, and label origin (shoot versus root) on the isotopic composition d 13 C), carbon contained in (mg C g
The study demonstrated that nitri®cation and denitri®cation occur simultaneously in compacted silty grassland soils at moisture conditions close to ®eld capacity.. All