Results 41 to 50 of about 20,336 (132)

Plant analysis as a tool to determine crop nitrogen status [PDF]

open access: yes, 2007
An effective plant nutrient management strategy optimises nitrogen (N) use efficiency for minimised environmental impact, while ensuring an optimum N status of the crop for good product quality and maximum growth.
Ekbladh, Göran
core  

Nitrogen Leaching in Intensive Cropping Systems in Tam Duong District, Red River Delta of Vietnam [PDF]

open access: yes
The environmental and economic consequences of nitrogen (N) lost in rice-based systems in Vietnam is important but has not been extensively studied. The objective of this study was to quantify the amount of N lost in major cropping systems in the Red ...
Keulen, H., van   +2 more
core   +1 more source

Agroforestry: Reconciling Production with Protection of the Environment A Synopsis of Research Literature [PDF]

open access: yes, 2010
This is a synopsis of research literature that investigates the potential of temperate agroforestry as a sustainable production system. Agroforestry is a concept of integrated land use that combines elements of agriculture and forestry.
Smith, Jo
core  

Advanced biofuel technologies : status and barriers [PDF]

open access: yes
Large-scale production of crop based (first generation) biofuels may not be feasible without adversely affecting global food supply or encroaching on other important land uses. Because alternatives to liquid fossil fuels are important to develop in order
Cheng, Jay J., Timilsina, Govinda R
core  

STRUCTURE OF FARMING UNDER FREER TRADE AMONG NAFTA COUNTRIES [PDF]

open access: yes
International Relations/Trade,
Gray, Richard S.   +2 more
core   +1 more source

NE- 165 Case Study : CANOLA AS AN EMERGING INDUSTRY: A Processor and Producer Perspective [PDF]

open access: yes
The canola industry in the United States has been very small with a limited canola oil demand being met through imports. However, an apparent increase in consumer demand for more healthful alternatives to traditional vegetable oils has sparked an ...
Coaldrake, Karen, Sonka, Steven T.
core   +1 more source

Nitrogen loss assessment and environmental consequences in the loess soil of China [PDF]

open access: yes, 2003
Attention is focused on fertilizer nitrogen loss and the environmental consequences in Shaanxi Province in loess region of China, including N losses to the atmosphere via ammonia volatilization, nitrification and denitrification, N losses to groundwater ...
Tong, Yanan
core  

Ethanol and Biodiesel in Canada: Can They Help Meet Canada's Kyoto Commitment? [PDF]

open access: yes
The Canadian government ratified the Kyoto Protocol in December 2002. The protocol calls for greenhouse gas emissions to be reduced by 6 percent below the 1990 level (approximately 35 percent below what they are expected to be in a business-as-usual ...
Bergeron, Nancy   +3 more
core   +1 more source

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