relation: https://orgprints.org/id/eprint/8359/
title: The long-term agronomic performance of organic stockless rotations
creator: Welsh, James P
creator: Philipps, Lois
creator: Cormack, William F
subject:  Crop combinations and interactions
subject:  Farming Systems
subject:  Farm economics
description: This report was presented at the UK Organic Research 2002 Conference. Two long-term experiments were established with the aim of evaluating the agronomic and economic performance of organic stockless rotations. In total, four different rotations were evaluated at two sites in the south (Elm Farm Research Centre) and east (ADAS Terrington) of England. All of the rotations included either a one or two-year red clover green manure crop to provide nitrogen for subsequent crops and it was found that this was sufficient to support three or four years of arable cropping. Over a period of eleven years at EFRC and five years at ADAS Terrington, there was no evidence of a decline in crop yield, although there were significant year-to-year variations. Crop yields were generally equivalent to or greater than average organic yields. Levels of soil available P and K was maintained at both sites at non-limiting levels. Pest and diseases were not problematic, but perennial weeds posed the most significant problem.
publisher: Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth
contributor: Powell, Jane
contributor: et al.
date: 2002
type: Conference paper, poster, etc. 
type: NonPeerReviewed
format: application/pdf
language: en
identifier: /id/eprint/8359/1/Welsh_stockless_rotations.pdf
identifier:    Welsh, James P; Philipps, Lois and Cormack, William F    (2002) The long-term agronomic performance of organic stockless rotations.   In: Powell, Jane and et al. (Eds.)  Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 47-50.