Now showing items 1-7 of 7
Impact of residue quality on the C and N mineralization of leaf and root residues of three agroforestry species
(Springer Verlag, 1996)
A laboratory incubation experiment with 15N labeled root and leaf residues of 3 agroforestry species (Leucaena leucocephala, Dactyladenia barteri and Flemingia macrophylla) was conducted under controlled conditions (25 C) ...
Predicting the Decomposition Patterns of Tree Biomass in Tropical Highland Microregions of Kenya
(Kluwer Academic Publishers, 1996)
Decomposition- and nitrogen-release patterns of biomass from three agroforestry multipurpose trees (Calliandra calothyrsus, Cordia africana and Grevillea robusta) were investigated in four contrasting environments ...
Dispersion measurements with white-light interferometry
White-light interferograms provide a simple, accurate, and physically intuitive picture of what happens to broadband optical pulses on transmission through, or reflection from, common optical materials. Quantitative ...
Alley cropping of maize with calliandra and leucaena in the subhumid highlands of Kenya: Part 2. Biomass decomposition, N mineralization, and N uptake by maize
(Kluwer Academic Publishers, 1999)
A major challenge in developing agroforestry approaches that utilize tree-leaf biomass for provision of N to crops is to ensure synchrony between the N released from decomposing prunings and N demand by crops. A study was ...
A deterministic evaluation analysis applied to an integrated soil-crop model
The WAVE-model (Water and Agrochemicals in the soil and Vadose Environment), simulating one-dimensional transport of water, solute and heat in the unsaturated zone, was used to simulate the behaviour of water and nitrogen ...
Functional Evaluation of Pedotransfer Functions for the Estimation of Soil Hydraulic Properties
Pedotransfer functions (PTFs) are often used for estimating hydraulic properties such as the moisture retention characteristic and the pressure head-hydraulic conductivity relationship. Both properties are essential for ...
Adolescent transition to coitus and premarital childbearing in sudan: a biosocial context
(Cambridge University Press, 1999)