Inorganic and organic P in soil solutions from three upland soils Charles A. ShandAlan E. S. MacklonShona Smith Research Article Pages: 161 - 170
Rotation of maize with cowpea improves yield and nutrient use of maize compared to maize monocropping in an alfisol in the northern Guinea Savanna of Ghana W. J. HorstR. Härdter Research Article Pages: 171 - 183
A simple technique for producing 13C or 14C-labelled fronds of Lemna gibba and their use in soil incubation investigations D. VaughanM. V. CheshireB. G. Ord Research Article Pages: 185 - 191
The fate of spring applied fertilizer N during the autumn-winter period: comparison between winter-fallow and green manure cropped soil G. J. M. VosI. M. J. BergevoetJ. A. Neyroud Research Article Pages: 201 - 213
Changes in carbon storage in temperate humic loamy soils after forest clearing and continuous corn cropping in France Dominique ArrouaysPhilippe Pelissier Research Article Pages: 215 - 223
Seasonal variations of soil organic matter in a long-term agricultural experiment Peter LeinweberHans-Rolf SchultenMartin Körschens Research Article Pages: 225 - 235
Nitrogen release from prunings of legume hedgerow trees in relation to quality of the prunings and incubation method E. HandayantoG. cadischK. E. Giller Research Article Pages: 237 - 248
The influence of vesicular-arbuscular mycorrhizal fungi on the nitrogen fixation of nursery-grown Ethiopian acacias estimated by the 15N natural abundance method Anders MichelsenJanet I. Sprent Research Article Pages: 249 - 257
Mineralization of labeled N from cowpea [Vigna unguiculata (L.) Walp.] plant parts at two growth stages in sandy soil K. FranzluebbersR. W. WeaverA. S. R. Juo Research Article Pages: 259 - 266
The effect of root damage caused by simulated white grub attack on the growth, yield and water-use of groundnut plants J. A. WightmanH. B. BrierG. C. Wright Research Article Pages: 267 - 275
Biological control of rice sheath blight in India: Lack of correlation between chitinase production by bacterial antagonists and sheath blight suppression K. V. TharaS. S. Gnanamanickam Short Communication Pages: 277 - 280
A bioassay of the availability of residual 15N fertilizer eight years after application to a forest soil in interior British Columbia C. M. PrestonD. J. Mead Short Communication Pages: 281 - 285