Results 111 to 120 of about 4,679,654 (252)

Effects of alpine meadow degradation on soil nematode diversity and community composition on the Qinghai-Tibet Plateau

open access: yesEcological Indicators
Soil nematodes play a critical role in maintaining ecosystem services; however, their community dynamics in response to alpine meadow degradation remain poorly understood.
Mingyang Zhang   +7 more
doaj   +1 more source

International Workshop on Nutrient Balances for Sustainable Agricultural Production and Natural Resource Management in Southeast Asia, Bangkok, Thailand, 20-22 February 2001: selected papers and presentations [PDF]

open access: yes
Soil management / Soil properties / Soil fertility / Soil degradation / Crop production / Farmers / Agricultural extension / Farming systems / Sustainability / Rice / Cassava / Vegetables / Maize / Fertilizers / Decision support tools / Economic ...
Lefroy, R. D. B.   +2 more
core  

Degradation of pesticides by the ligninolytic enzyme Laccase : optimisation of in vitro conditions, immobilisation and screening for natural mediators [PDF]

open access: yes, 2013
Pesticides are widely used in many industries but the majority reaches non-target organisms or locations through point or diffuse sources. Understanding conditions for their degradation is therefore important.
Farragher, Naomi
core   +1 more source

Threats to soil quality in Denmark - A review of existing knowledge in the context of the EU Soil Thematic Strategy [PDF]

open access: yes, 2009
The EU Commission is preparing a proposal for a Soil Framework Directive with the purpose of protecting the soil resources in Europe. The proposal identifies six major threats to the sustained quality of soils in Europe. This report addresses the threats
Christensen, B.T.   +2 more
core  

Efek Penggunaan Lahan terhadap Degradasi Tanah pada Kebun Campuran di Kecamatan Kairatu Kabupaten Seram Bagian Barat Propinsi Maluku [PDF]

open access: yes, 2018
Land use is the most influential factor in soil degradation due to erosion. The objectives of this research are to know the level of land degradation and the factors that influence the land use area, the upper vegetation density and the lower vegetation ...
Osok, R. M. (Rafael)   +1 more
core  

Managing soil biodiversity: The New Zealand experience [PDF]

open access: yes, 2004
Species diversity is a very important component of a healthy soil ecosystem, and a necessary condition for long-term sustainable development. However, it is widely recognised that soil degradation and species extinction are on the increase in New Zealand,
Armitage, R.   +2 more
core   +1 more source

Developing site-specific guidelines for orchard soils based on bioaccessibility – Can it be done? [PDF]

open access: yes, 2008
Horticultural land within the periurban fringe of NZ towns and cities increasingly is being developed for residential subdivision. Recent surveys have shown that concentrations of As, Cd, Cu, Pb, and ΣDDT (sum of DDT and its degradation products DDE and ...
Gaw, Sally K.   +4 more
core  

The Influence of Asset and Access Poverty on Crop Production and Land Degradation in Uganda [PDF]

open access: yes
This study investigated the linkages between poverty, agricultural productivity and land degradation in Uganda. Results show that farmers in the study region of Uganda deplete about 1.2% of the nutrient stock stored in the topsoil per year, leading to a ...
Kaizzi, Crammer   +2 more
core   +1 more source

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