Long‐term effects of compost amendment of soil on functional and structural diversity and microbial activity Tập 22 Số 2 - Trang 209-218 - 2006
Margarita Ros, Susanne Klammer, Brigitte A. Knapp, K. Aichberger, Heribert Insam
AbstractWe studied the effects of applying different composts (urban organic
waste, green waste, manure and sewage sludge), mineral fertilizer and compost
plus mineral fertilizer on chemical, biological and soil microbiological
parameters over a 12‐year period. The organic C and total N levels in soils were
increased by all compost and compost + N treatments. Microbial biomass C was
significantly ... hiện toàn bộ
Field assessment of soil structural quality – a development of the Peerlkamp test Tập 23 Số 4 - Trang 329-337 - 2007
B.C. Ball, T. Batey, Lars J. Munkholm
AbstractIncreased awareness of the role of soil structure in defining the
physical fertility or quality of soil has led to the need for a simple
assessment relevant to the environmental and economic sustainability of soil
productivity. A test is required that is usable by farmer, consultant and
researcher alike. Here an assessment of soil structure quality (Sq) is described
which is based on a vis... hiện toàn bộ
Effectiveness of different precipitated phosphates as phosphorus sources for plants Tập 19 Số 1 - Trang 45-49 - 2003
A. E. Johnston, Ian Richards
Abstract. Eleven precipitated phosphates were evaluated as sources of phosphorus
(P) for plant growth by comparing their effectiveness with that of monocalcium
phosphate, a source of water soluble P that is generally considered to be fully
plant available. The precipitated phosphates comprised struvites recovered from
waste water discharges (mainly magnesium ammonium phosphate), laboratory
synthes... hiện toàn bộ
Conservation tillage systems: a review of its consequences for greenhouse gas emissions Tập 29 Số 2 - Trang 199-209 - 2013
Mohamed Abdalla, Bruce Osborne, Gary Lanigan, P.D. Forristal, Mike Williams, Pete Smith, Michael B. Jones
AbstractConservation tillage (CT) is an umbrella term encompassing many types of
tillage and residue management systems that aim to achieve sustainable and
profitable agriculture. Through a global review of CT research, the objective of
this paper was to investigate the impacts of CT on greenhouse gas (GHG)
emissions. Based on the analysis presented, CT should be developed within the
context of sp... hiện toàn bộ
Predicting nitrogen availability and losses following application of organic manures to arable land: MANNER Tập 15 Số 3 - Trang 137-143 - 1999
B. J. Chambers, E.I. Lord, F. A. Nicholson, K. A. Smith
Abstract. A decision support system to predict the plant availability of
nitrogen (N) following organic manure applications to land has been developed,
drawing together the latest UK research information on factors affecting manure
N availability and losses. The ADAS MANure Nitrogen Evaluation Routine (MANNER)
accounts for manure N analysis, ammonia volatilization, nitrate leaching and
mineralizat... hiện toàn bộ
How geostatistics can help you Tập 7 Số 4 - Trang 206-217 - 1991
Margaret A. Oliver, R. Webster
Abstract. Geostatistics is basically a technology for estimating the local
values of properties that vary in space from sample data. Research and
development in the last 15 years has shown it to be eminently suited for soil
and ripe for application in soil survey and land management. The basic
technique, ordinary kriging, provides unbiased estimates with minimum and known
variance. Data for relate... hiện toàn bộ
Biết về đất: Đánh giá tài nguyên đất và tri thức bản địa Dịch bởi AI Tập 14 Số 4 - Trang 188-193 - 1998
Paul Sillitoe
Abstract. Các cuộc khảo sát tài nguyên đất và đất đai khoa học chỉ có tác động
hạn chế đến thực tiễn phát triển và mở rộng công nghệ ở các vùng nhiệt đới.
Chúng được cho là không có nhiều liên quan đối với các nông dân tự cấp. Việc
không thể đáp ứng các ưu tiên xã hội và văn hóa địa phương là một yếu tố. Các
nhà khoa học đất đai cho đến gần đây đã ít chú ý đến sự hiểu biết của người khác
về đất ho... hiện toàn bộ
Coffee waste as an alternative fertilizer with soil improving properties for sandy soils in humid tropical environments Tập 27 Số 1 - Trang 94-102 - 2011
Ruben Koy Kasongo, Ann Verdoodt, P. Kanyankagote, Geert Baert, Éric Van Ranst
AbstractArenosols cover extensive areas in coffee producing, humid tropical
countries of Sub‐Sahara Africa (Angola, DR Congo) and Southern America (Brazil).
A laboratory experiment was undertaken to examine the potential of using coffee
waste to improve the physico‐chemical properties of an Arenosol from DR Congo.
The amendment was applied at three rates to the topsoil and incubated in soil
column... hiện toàn bộ