Search Results - "LAL, R"

Challenges and opportunities in soil organic matter research by Lal, R

“…Soil organic matter (SOM) can be a source or sink for atmospheric CO₂ depending on land use, and management of soil, vegetation and water resources. SOM is a…”
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Forest soils and carbon sequestration by Lal, R.

“…Soils in equilibrium with a natural forest ecosystem have high carbon (C) density. The ratio of soil:vegetation C density increases with latitude. Land use…”
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Soil carbon sequestration to mitigate climate change by Lal, R.

“…The increase in atmospheric concentration of CO 2 by 31% since 1750 from fossil fuel combustion and land use change necessitates identification of strategies…”
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Soil Carbon Sequestration Impacts on Global Climate Change and Food Security by Lal, R.

“…The carbon sink capacity of the world's agricultural and degraded soils is 50 to 66% of the historic carbon loss of 42 to 78 gigatons of carbon. The rate of…”
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Carbon emission from farm operations by Lal, R

“…This manuscript is a synthesis of the available information on energy use in farm operations, and its conversion into carbon equivalent (CE). A principal…”
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Soil erosion and the global carbon budget by Lal, R

“…Soil erosion is the most widespread form of soil degradation. Land area globally affected by erosion is 1094 million ha (Mha) by water erosion, of which 751…”
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World crop residues production and implications of its use as a biofuel by Lal, R.

“…Reducing and off-setting anthropogenic emissions of CO 2 and other greenhouse gases (GHGs) are important strategies of mitigating the greenhouse effect. Thus,…”
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Enhancing Eco-efficiency in Agro-ecosystems through Soil Carbon Sequestration by Lal, R

“…Global cereal production must be increased by 50% by 2050. Crop yields in sub-Saharan Africa and South Asia have either stagnated or declined since the 1990s…”
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Soils and sustainable agriculture. A review by Lal, R.

“…Enhancing food production and supporting civil/engineering structures have been the principal foci of soil science research during most of the 19th and the…”
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Soils and food sufficiency. A review by Lal, R.

“…Soil degradation, caused by land misuse and soil mismanagement, has plagued humanity since the dawn of settled agriculture. Many once thriving civilizations…”
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Crop Residue Removal Impacts on Soil Productivity and Environmental Quality by Blanco-Canqui, Humberto, Lal, R

“…Crop residues are a potential source of renewable feedstocks for cellulosic ethanol production because of their high cellulose content and easy availability…”
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Enhancing crop yields in the developing countries through restoration of the soil organic carbon pool in agricultural lands by Lal, R

“…Food production in developing countries, estimated at 1223 million metric tons (Mg), must be increased by 778 million Mg or 2·5 per cent y−1 between 2000 and…”
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Sequestering carbon in soils of agro-ecosystems by Lal, R.

“…► The study addresses the potential and challenges of carbon sequestration in agricultural soils. ► Technical potential of C sequestration is 1.2-3.1Gt/yr. ►…”
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Soil degradation as a reason for inadequate human nutrition by Lal, R.

“…Soil degradation affects human nutrition and health through its adverse impacts on quantity and quality of food production. Decline in crops’ yields and…”
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Soil erosion and carbon dynamics by Lal, R.

“…Accelerated erosion involves preferential removal of soil organic carbon (SOC) because it is concentrated in vicinity of the soil surface and has lower density…”
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Soil quality impacts of residue removal for bioethanol production by Lal, R.

“…Global energy demand of 424 EJ year −1 in 2000 is increasing at the rate of 2.2% year −1. There is a strong need to increase biofuel production because of the…”
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Agricultural activities and the global carbon cycle by Lal, R

“…The observed and projected increase in emission of greenhouse gases, with attendant effects on global warming and sea level rise, have raised interests in…”
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Soil carbon dynamics in cropland and rangeland by Lal, R

“…Increasing soil carbon sequestration is cost-effective and credible at all levels. Most soils in the Midwestern USA have lost 30 to 50% of their original pool,…”
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Sequestering carbon in soils of arid ecosystems by Lal, R

“…Recent increase in atmospheric concentration of CO₂ and decrease in land-based sink capacity are attributed to numerous anthropogenic activities including…”
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Enhancing ecosystem services with no-till by Lal, R.

“…Ecosystem functions and services provided by soils depend on land use and management. The objective of this article is to review and synthesize relevant…”
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