Nitrogen acquisition and competitive ability of Kalmia angustifolia L., paper birch (Betula papyrifera Marsh.) and black spruce (Picea mariana (Mill.) B.S.P.) seedlings grown on different humus forms R.L. BradleyB.D. TitusJ.W. Fyles OriginalPaper Pages: 209 - 220
Estimating respiration of roots in soil: Interactions with soil CO2, soil temperature and soil water content Tjeerd J. BoumaKai L. NielsenJonathan P. Lynch OriginalPaper Pages: 221 - 232
Seasonal changes in fluxes of methane and volatile sulfur compounds from rice paddies and their concentrations in soil water Isamu NouchiTatsuo HosonoKaori Sasaki OriginalPaper Pages: 233 - 245
Nitrate leaching from sandy loam soils under a double-cropping forage system estimated from suction-probe measurements H. TrindadeJ. CoutinhoN. Moreira OriginalPaper Pages: 247 - 256
Nitrogen fixation and N contribution by promiscuous nodulating soybeans in the southern Guinea savanna of Nigeria N. SangingaK. DashiellG. Thottappilly OriginalPaper Pages: 257 - 266
Diurnal variation in methane efflux at different growth stages of tropical rice S.N. SatpathyA.K. RathN. Sethunathan OriginalPaper Pages: 267 - 271
Relationship between decomposition of cellulose in the soil and tree stand characteristics in natural boreal forests Anne-Marie KurkaMichael Starr OriginalPaper Pages: 273 - 281
Magnesium deficiency in young Norway spruce (Picea abies [L.] Karst.) trees induced by NH4NO3 application C. KöllingB. PauliK.E. Rehfuess OriginalPaper Pages: 283 - 291
Adsorption and movement of metalaxyl in soils under unsaturated flow conditions Debi SharmaM.D. Awasthi OriginalPaper Pages: 293 - 298
Field observations on nitrogen catch crops. I. Potential and actual growth and nitrogen accumulation in relation to sowing date and crop species J. VosP.E.L. van der Putten OriginalPaper Pages: 299 - 309
Water, nutrients and slope position in on-farm pearl millet cultivation in the Sahel J. RockströmA. de Rouw OriginalPaper Pages: 311 - 327
Uptake of 15N-labelled alanine, ammonium and nitrate in Pinus sylvestris L. ectomycorrhiza growing in forest soil treated with nitrogen, sulphur or lime Håkan WallanderKristina ArnebrantOla Kårén OriginalPaper Pages: 329 - 338
Effect of maize canopy and water repellency on moisture patterns in a Dutch black plaggen soil Louis W. DekkerCoen J. Ritsema OriginalPaper Pages: 339 - 350
Root decomposition across a barrier island chronosequence: Litter quality and environmental controls Christine E. ConnFrank P. Day Jr. OriginalPaper Pages: 351 - 364
Effect of rainfall pattern on nitrogen mineralization and leaching in a green manure experiment in South Rwanda F. HagedornK.G. SteinerW. Zech OriginalPaper Pages: 365 - 375