Subsoil root activity in tree-based cropping systems

J Lehmann - Roots: The Dynamic Interface between Plants and the …, 2003 - Springer
An increasing number of studies indicate that (i) nutrient and water resources can be
abundant in the subsoil and (ii) trees have deep root systems that can possibly reach these …

Tree–crop interactions: manipulation of water use and root function

CK Ong, J Wilson, JD Deans, J Mulayta… - Agricultural water …, 2002 - Elsevier
This paper describes recent research findings on tree–crop interactions in the semiarid
tropics focusing on the potential of agroforestry systems to improve the efficiency with which …

Roots, soil water and crop yield: tree crop interactions in a semi-arid agroforestry system in Kenya

HO Odhiambo, CK Ong, JD Deans, J Wilson… - Plant and soil, 2001 - Springer
Variations in soil water, crop yield and fine roots of 3–4 year-old Grevillea robusta Cunn. and
Gliricidia sepium (Jacq.) Walp. growing in association with maize (Zea mays L.) were …

[PDF][PDF] Water use and water productivity of agroforestry systems in the semi-arid tropics

CK Ong, S Anyango, CW Muthuri, CR Black - Ann Arid Zone, 2007 - researchgate.net
The greatest challenge for agroforestry in dryland areas is to identify species combinations
and management systems which optimize the capture of scarce available water supplies …

Mycorrhizas in agroforestry: spread and sharing of arbuscular mycorrhizal fungi between trees and crops: complementary use of molecular and microscopic …

K Ingleby, J Wilson, RC Munro, S Cavers - Plant and soil, 2007 - Springer
The spread of arbuscular mycorrhizal (AM) fungi from tree to crop roots was examined by
molecular and microscopic methods in a glasshouse study. Growth of Calliandra calothyrsus …

[图书][B] Below-ground interactions in tropical agroecosystems: concepts and models with multiple plant components

M van Noordwijk, G Cadisch, CK Ong - 2004 - books.google.com
Ecological interactions in multispecies agroecosystems: concepts and rules. Locally derived
knowledge resource management. Models of below-ground interactions: their validity …

Improving the Traditional Acacia Senegal-Crop System in Sudan: The Effect of Tree Density on Water Use, Gum Production and Crop Yields

AM Gaafar, AA Salih, O Luukkanen, MA El Fadl… - Agroforestry …, 2006 - Springer
The traditional Acacia senegal bush-fallow in North Kordofan, Sudan, was disrupted and the
traditional rotational fallow cultivation cycle has been shortened or completely abandoned …

IMPLICATIONS OF HILL FARMERS'AGRONOMIC PRACTICES IN NEPAL FOR CROP IMPROVEMENT IN MAIZE

TP Tiwari, RM Brook, FL Sinclair - Experimental Agriculture, 2004 - cambridge.org
An agro-ecological analysis of the maize component of an agroforestry system in the eastern
mid-hills of Nepal was conducted in 1999. The aim of the study was to understand farmers' …

Spatial distribution of root length density and soil water of linear agroforestry systems in sub-humid Kenya: implications for agroforestry models

S Radersma, CK Ong - Forest ecology and management, 2004 - Elsevier
In simultaneous agroforestry systems trees can compete with crops for water, especially in
semi-arid areas. However, in the (sub) humid tropics, on P-fixing Oxisols/Ferralsols small …

Soil nitrate leaching in silvopastures compared with open pasture and pine plantation

SK Bambo, J Nowak, AR Blount… - Journal of …, 2009 - Wiley Online Library
Wide acceptance of silvopasture as an alternative sustainable agricultural system in the
southeastern United States will depend on an improved understanding of the tree‐forage …