Results 101 to 110 of about 30,131 (180)

Enterprise Combinations in Cassava Based Food Crop Farming System in Nigeria: Evidence from Ogun State [PDF]

open access: yes, 2012
This study examines the enterprise combination in cassava based food crop farming system in Ogun state. Three stage sampling technique was used to select 120 cassava farmers from the study area.
Afolabi, Micheal   +2 more
core   +1 more source

Enhancing GHG balances in organic farms by integration of new bio-energy crop concepts [PDF]

open access: yes, 2008
Chances to increase the efficiency of the plant production of organic farms by increasing of land equivalent ratios (LER), yield advances by nutrient recycling and the use of typical by-products of organic production in bio-energy cropping concepts are ...
Paulsen, Hans Marten
core  

The significance of local water resources captured in small reservoirs for crop production – A global-scale analysis [PDF]

open access: yes, 2010
Rainwater harvesting, broadly defined as the collection and storage of surface runoff, has a long history in supplying water for agricultural purposes. Despite its significance, rainwater harvesting in small reservoirs has previously been overlooked in ...
Douglas, Ellen M   +5 more
core   +1 more source

Microclimatic Parameters, Soil Quality, and Crop Performance of Lettuce, Pepper, and Chili Pepper as Affected by Modified Growing Conditions in a Photovoltaic Plant: A Case Study in the Puglia Region (Italy)

open access: yesAgronomy
The performance of lettuce, pepper, and chili pepper, and the biological soil quality, in a ground-mounted PV system under cultivation conditions typical of the Mediterranean environment of the Puglia region were evaluated.
Vincenzo Tucci   +7 more
doaj   +1 more source

Is durum wheat-winter pea intercropping efficient to improve the use of N in low input farming ? [PDF]

open access: yes, 2007
Nitrogen acquisition and grain protein concentration (GPC) of durum wheat is often a major concern, particularly in low input systems where mineral N is a limited resource.
Bedoussac, Laurent, Justes, Eric
core  

Influence of notillage on carbon sequestration and erosion in Brazil [PDF]

open access: yes, 2004
Les sols constituent le plus gros réservoir superficiel de C (hors les roches carbonatées), environ 1500 Gt C, ce qui équivaut à presque trois fois la quantité stockée dans la biomasse terrestre, et deux fois celle de l'atmosphère.
Bernoux, Martial   +8 more
core  

The economics of biological invasions [PDF]

open access: yes
Biological invasions are an economic problem. Invasions are typically the intended or unintended consequence of economic activity. They impose real costs on society, and the risk of invasion depends on human behaviour.
Perrings, Charles
core   +1 more source

Designing agroforestry cacao to implement multifunctional landscapes by synergizing ecosystem service and economic value1

open access: yesTrees, Forests and People
Heightened awareness of monoculture cacao's negative impacts has led to the adoption of multifunctional landscape approaches aimed at optimizing ecological, social, and economic outcomes in cacao plantations. This study outlines multifunctional landscape
Yudha Kristanto   +4 more
doaj   +1 more source

Estimating the tolerance of species to the effects of global environmental change

open access: yes, 2013
Global environmental change is affecting species distribution and their interactions with other species. In particular, the main drivers of environmental change strongly affect the strength of interspecific interactions with considerable consequences to ...
Bascompte, Jordi   +3 more
core   +3 more sources

Options for intensifying vegetable production [PDF]

open access: yes, 2017
United States Agency for International ...
Kotu, Bekele Hundie   +4 more
core   +1 more source

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