Phosphorus management for organic agriculture

A Oberson, E Frossard - Phosphorus: agriculture and the …, 2005 - Wiley Online Library
This chapter evaluates the consequences of practices used in organic farming on
phosphorus (P) balances at farm and field levels, soil inorganic P (Pi) availability for crops, P …

Microbiological processes in soil organic phosphorus transformations in conventional and biological cropping systems

A Oberson, JM Besson, N Maire, H Sticher - Biology and fertility of soils, 1996 - Springer
We studied microbiological processes in organic P transformations in soils cultivated with
conventional and biological farming systems during the 13th and 14th year of different …

Phosphorus forms and enzymatic hydrolyzability of organic phosphorus in soils after 30 years of organic and conventional farming

M Keller, A Oberson, KE Annaheim… - Journal of Plant …, 2012 - Wiley Online Library
Lower P‐input levels in organic than conventional farming can decrease soil total and
available P, which can potentially be resupplied from soil organic P. We studied the effect of …

Phosphorus—the predicament of organic farming

HM Paulsen, U Köpke, A Oberson… - Phosphorus in agriculture …, 2016 - Springer
Today on many sites organic farming might neglect phosphorus (P) fertilization due to soil
reserves build up by P fertilization of former farming systems. Additionally organic farming …

Soil phosphorus management in organic cropping systems: from current practices to avenues for a more efficient use of P resources

T Nesme, B Colomb, P Hinsinger… - Organic farming, prototype …, 2014 - Springer
Phosphorus (P) is a major nutrient for all living organisms and a key production factor in
agriculture. In crop production, it is usually supplied to soils through fertilisers or recycled …

Addition of organic and inorganic P sources to soil–Effects on P pools and microorganisms

MA Malik, P Marschner, KS Khan - Soil Biology and Biochemistry, 2012 - Elsevier
Phosphorus deficiency is wide-spread due to the poor solubility of soil P and the rapid
formation of poorly available P after P addition. Microbes play a key role in soil P dynamics …

Microbially mediated phosphorus transformation processes in cultivated soils

F Oehl - 1999 - research-collection.ethz.ch
There is a lack in knowledge about microbially mediated phosphorus (P) transformation
processesin soils. In this thesis, existing isotopictechniquesfor measuringP0 mineralisation …

Phosphorus budget and phosphorus availability in soils under organic and conventional farming

F Oehl, A Oberson, HU Tagmann, JM Besson… - Nutrient Cycling in …, 2002 - Springer
The aim of this work was to assess to which extent organic farming practices would affect the
accumulation of total and available phosphorus (P) in a cropped soil in comparison to …

Soil phosphorus status of organic farming in Flanders: an overview and comparison with the conventional management

A Van Den Bossche, S De Neve… - Soil use and …, 2005 - Wiley Online Library
A number of organic farms in Flanders were sampled to investigate the general phosphorus
(P) status and degree of P saturation (Psat) of the soils. Where possible, the soil P status …

Improving supply and phosphorous use efficiency in organic farming systems

RL Walker, CA Watson, RM Rees… - Aspects of Applied …, 2006 - orgprints.org
Phosphorus (P) is an essential plant nutrient that needs to be managed carefully in organic
systems so that crop yield and quality remain sustainable without contributing to …