Now showing items 1-10 of 136
Co-occurring increased phosphatase activity and labile P depletion in the rhizosphere of Lupinus angustifolius assessed with a novel, combined 2D-imaging approach
Innovative non-destructive 2D imaging methods such as zymography and diffusive gradients in thin films (DGT) have been developed recently to assess the distribution of phosphatase activity and labile solutes at the root-soil ...
Preliminary study of the potential for phosphorus loss with the development of organic soils
(Fertilizer and Lime Research Centre, 2013)
Organic Soils (organic matter concentration > 30%) cover 200,000 ha in New Zealand, of which around 67,000 ha have been converted for intensive land use (viz. dairy). However, Organic Soils have a number of properties that ...
Direct exports of phosphorus from fertilizers applied to grazed pastures
(Crop Science Society of America with the American Society of Agronomy and the Soil Science Society of America, 2019-08-21)
Since its discovery in 1669, phosphorus (P) in the form of fertilizer has become an essential input for many agroecosystems. By introducing a concentrated P source, fertilizers increase short-term P export potential soon ...
Effects of plantation forest species on soil properties
(International Union of Soil Sciences, 2010-08)
Large scale afforestation of grasslands has occurred in New Zealand. Detailed investigation of changes in soil properties over time following establishment of different tree species is necessary to understand the impacts ...
Increasing phosphate rock availability using a lupin green manure crop
(Lincoln University, 2004)
Legumes have been shown to increase the dissolution and utilisation of phosphate rock (PR) phosphorus (P) compared with non-legumes because of their acidifying effect on the rhizosphere. A promising agronomic approach for ...
Effects of plantation forest species on soil phosphorus
(Fertilizer and Lime Research Centre, 2012)
Highlights: The findings of this study revealed that depletion of top soil Po under all of the three tree species over 10 years following afforestation of grassland had a rapid and major impact on soil properties and ...
Using organic phosphorus to sustain pasture productivity: A perspective
Organic phosphorus (P) in grazed pastures/grasslands could sustain production systems that historically relied on inorganic P fertiliser. Interactions between inorganic P, plants and soils have been studied extensively. ...
Using nitrogen fertiliser to decrease phosphorus loss from high phosphorus soils
Decline in soil phosphorus (P) concentrations is slow, and environmentally significant concentrations of P can be lost to water long after fertiliser application is decreased. One potential method to accelerate the decline ...
Analysis of potentially mobile phosphorus in arable soils using solid state nuclear magnetic resonance
(American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, 2002)
In many intensive agroecosystems continued inputs of phosphorus (P) over many years can significantly increase soil P concentrations and the risk of P loss to surface waters. For this study we used solid-state ³¹P nuclear ...
Variable effect of Trichoderma bio-inoculants on ectomycorrhizal colonisation of Pinus radiata seedlings
(Lincoln University, 2006-07)
The effect of Trichoderma inoculation on ECM growth and colonisation was investigated in both a pot experiment and in a dual plate bioassay.