Nutrient Cycling in Agroecosystems

Vol. 53 , No. 1, January 1999

Strategies for nutrient management in irrigated and rainfed lowland rice systems
A. Dobermann &RF. White 1-18

Sustaining productivity of lowland rice soils: issues and options related to N availability
D.K. Kundu & J.K. Ladha 19-33

Interpreting fertilizer-use efficiency in relation to soil nutrient-supplying capacity, factor produc-
tivity, and agronomic efficiency
D.C. Olk, K.G. Cassman, G. Simbahan, RC. Sta. Cruz, S. Abdlilrachman, R. Nagarajan, Pham Sy Tan
& S. Satawathananont 35-41


Nitrogen deep-placement technologies for productivity, profitability, and environmental quality
of rainfed lowland rice systems
S.K. Mohanty, U. Singh, V. Balasubramanian & K.R Jha 43-57

On-farm adaptation of knowledge-intensive nitrogen management technologies for rice systems
V. Balasubramanian, A.C. Morales, R.T. Cruz & S. Abdulrachman 59-69

The role of legume fallows in intensified upland rice-based systems of West Africa
M. Becker & D.E. Johnson 71-81

Soil and crop management technologies for enhancing rice production under micronutrient
constraints
R Savithri, R. Perumal & R. Nagarajan 83-92

Farmer adoption of improved nitrogen management technologies in rice farming: technical
constraints and opportunities for improvement
V. Balasubramanian 93-101

Adoption of nutrient management technologies for rice production: economic and institutional
constraints and opportunities
S. Pandey 103-112

Government policy support for technology promotion and adoption: a case study of urea tablet
technology in Indonesia
E. Pasandaran, B. Gultom, J. Sri Adiningsih, H. Apsari & Sri Rochayati 113-119

Nutrient Cycling in Agroecosystems

Vol. 53, No. 2, February 1999

Willow tree productivity on fertilizer solutions containing various Ca/AI ratios
L.B. Fenn & G.R. Gobran 121-132

Mineralization ofguanidine derivatives in soils
P. Kumar & R. Brumme 133-138

Evaluation of soil extractants for Mn availability and response of wheat to applied Mn in soils of
semi-arid zone of Punjab, India
R.L. Bansal & V.K. Nayyar 139-146

A comparison of triple superphosphate and Gafsa ground rock phosphate fertilisers as P-sources
for grass-clover swards on a poorly-drained acid clay soil
D. Scholefield, R.D. Sheldrick, T.M. Martyn & R.H. Lavender 147-155

Comparing responses of grain legumes, wheat and canola to applications of superphosphate
M.D.A. Bolland, K.H.M. Siddique, S.R Loss & MJ. Baker 157-175

Farmers' perceptions and attitudes towards introduced soil-fertility enhancing technologies in
western Africa
L.A. Enyong, S.K. Debrah, & A. Bationo 177-187

Phosphorus utilisation efficiency and depletion of phosphate fractions in the rhizosphere of three
tea (Camellia sinensis L.) clones
A.K.N. Zoysa, P. Loganathan & M.J. Hedley 189-201

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Nutrient Cycling in Agroecosystems
Vol. 54, No. 2 , June 1999

Litter deposition and disappearance in Brachiaria pastures in the Atlantic forest region of the
South ofBahia, Brazil
C. de P. Rezende, R.B. Cantarutti, J.M. Braga, J.A. Gomide, J.M. Pereira, E, Ferreira, R. Tarre, R.
Macedo, B.J.R. Alves, S. Urquiaga, G. Cadisch, K.E. Giller & R.M. Boddey 99-112

Erosional effects on nitrogen balance in maize (Zea mays) grown on a volcanic ash soil in Tanzania
P.I. Vaje, B.R. Singh & R. Lal 113-123

Nutrient budgeting for phosphorus and potassium in a long-term fertilizer trial
D.K. Benbi & C.R. Biswas 125-132

Effectiveness of single and coastal superposphates applied either in autumn or spring
M.D.A. Bolland, M.F. Clarke & F.C. Boetel 133-143

Longterm alley cropping with four hedgerow species on an Alfisol in southwestern Nigeria - effect
on crop performance, soil chemical properties and nematode population
B.T. Kang, F.E. Caveness, G. Tian & G.O. Kolawole 145-155

Decreases in Colwell bicarbonate soil test P in the years after addition of superphosphate, and
the residual value of superphosphate measured using plant yield and soil test P
M.D.A. Bolland 157-173

Temperature effects on soil organic sulphur mineralization and elemental sulphur oxidation in
subtropical soils of varying pH
R.C. Jaggi, M.S. Aulakh & R. Sharma 175-182

Interactions ofaerobically decomposed cattle manure and nitrogen fertilizer applied to soil
J. Nyamangara, M.I. Piha & H. Kirchmann 183-188

Low risks of toxicity from boron fertiliser in oilseed rape-rice rotations in southeast China
K. Wang, Y. Yang, R.W. Bell, J.M. Xue, Z.Q. Ye & Y.Z. Wei 189-197

Nutrient Cycling in Agroecosystems
Vol. 54, No. 3, July 1999

Effect of source and nest size of N fertilizers and temperature on nitrification in a coarse textured,
alkaline soil
J.P.S. Grewal, Yadvinder-Singh, Bijay-Singh, Anshujit Virk & C.S. Khind 199-207

Significance of soil depth on nitrogen transformations in flooded and nonflooded systems under
laboratory conditions
T.S. Khera, M.S. Aulakh & J.W. Doran 209-213

Crop yield and the fate of nitrogen and phosphorus following application of plant material and
fecestosoil
J.M. Powell, F.N. lkpe & Z.C. Sornda 215-226

Studies on depth of placement of urea on nitrogen recovery in wheat grown on a red-brown earth
in Australia
J.A. Adjetey, L.C. Campbell, P.G.E. Searle & R Saffigna 227-232

Applications of poultry litter and triple superphosphate fertilizer to a sandy soil: effects on soil
phosphorus status and profile distribution
M.A. Shepherd & P.J. Withers 233-242

Yield response and nitrogen utilization efficiency by drip-irrigated potato
M.J. Mohammad, S. Zuraiqi, W. Quasmeh & I. Papadopoulos 243-249

Effect of concentration, temperature, moisture, liming and organic matter on the efficacy of the
nitrification inhibitors benzotriazole, o-nitrophenol, m-nitroaniline and dicyandiamide
K. Puttanna, N.M. Nanje Gowda & E.V.S. Prakasa Rao 251-257

Inorganic phosphorus and manure effects on bahiagrass production on a Spodosol
H. lbrikci, E.A. Hanlon & J.E. Rechcigl 259-266

The effect of long-term phosphatic fertiliser applications on the amounts and forms of cadmium
in soils under pasture in New Zealand
C.W. Gray, R.G. McLaren, A.H.C. Roberts & L.M. Condron 267-277

Instructions for Authors 279-280

Author Index 281

Volume Contents 283-285

Nutrient Cycling in Agroecosystems
VoL. 55 , No. 1 , September 1999


Nitrogen uptake and chlorophyll meter measurements in Spring Wheat
I. Vidal, L. Longeri & J.M. Hetier 1-6

Controlling soil water content in fertiliser dissolution experiments
K. Barlow, D. Halliwell & D. Nash 7-14

Factors influencing manure application by farmers in semi-arid west Africa
T.O. Williams 15-22

Composition changes of soil humus after massive application of urban waste compost: a compar-
ison between FT-IR spectroscopy and humification parameters
G. Gigliotti, D. BusineUi & RL. Giusquiani 23-28


A preliminary chlorine survey of the savanna soils of Nigeria
B.A. Raji & B.W. Jimba 29-34

Development and evaluation of an improved soil test for phosphorus, 3: field comparison ofOlsen,
Colwell and Resin soil P tests for New Zealand pasture soils
S- Saggar, MJ. Hedley. R,E. White, K.W. Perrott, RE.H, Gregg, I.S, Cornforth & A.G. Sinclair 35-50


Influence of application of sewage sludges, and sludge and manure composts on plant Ca and Mg
concentration and soil extractability in field experiments
G. Wen, TE. Bates, R.R Voroney, J.R Winter & M,R Schellenberg 51-61


Transfers of phosphorus within three dairy farming systems receiving varying inputs in feeds
and fertilizers
RJ.A. Withers, S. Peel, R.M. Mansbridge, A,C. Chalmers & SJ. Lane 63-75


Phosphorus status and cycling in native savanna and improved pastures on an acid low-P Colom-
bian Oxisol
A. Oberson, D,K, Friesen, H. Tiessen, C. Morel & W. Stahel 77-88


The fate of algal nitrogen in a flooded soil system
H.S. Thind & D.L. Rowell 89-94