chapter9
... especially when forages become depleted or when adequate forage crops are not established. It is also likely that, as crawfish density increases beyond some optimum density, natural food resources become depleted. Under these conditions, production of highly nutritious invertebrates, important compo ...
... especially when forages become depleted or when adequate forage crops are not established. It is also likely that, as crawfish density increases beyond some optimum density, natural food resources become depleted. Under these conditions, production of highly nutritious invertebrates, important compo ...
Crawfish production
... Time of harvesting varies with the location of the production facility. In the South, harvesting is market driven. This means that many growers begin harvesting ...
... Time of harvesting varies with the location of the production facility. In the South, harvesting is market driven. This means that many growers begin harvesting ...
- Vision Landwirtschaft
... at landscape level. Bosshard, Reinhard and Taylor have edited an extensive selection of examples from around the world, particularly when it comes to improving species diversity on the farm. This book has rightfully been called a guide since it does not cover each subject in detail but provides an o ...
... at landscape level. Bosshard, Reinhard and Taylor have edited an extensive selection of examples from around the world, particularly when it comes to improving species diversity on the farm. This book has rightfully been called a guide since it does not cover each subject in detail but provides an o ...
Benthic and Pelagic Secondary Production in Lake Erie
... biomass, and median temperature. Therefore, production was calculated for each species within individual thermal layers over the temporal duration of that layer. For example, in 1993 production in the metalimnion of station E2 was calculated for the stratified period: 18 June to 29 September. In the ...
... biomass, and median temperature. Therefore, production was calculated for each species within individual thermal layers over the temporal duration of that layer. For example, in 1993 production in the metalimnion of station E2 was calculated for the stratified period: 18 June to 29 September. In the ...
Rodent abundance, stone bund density and its effects on crop
... Approximately 50% of the Tigray province, Northern Ethiopia, is classified as highland (>2500m a.s.l), characterized by rugged geomorphic features and steep slopes with narrow intermountain valleys (Vancampenhout et al. 2006). The population of the highland has grown quickly in the last few decades, ...
... Approximately 50% of the Tigray province, Northern Ethiopia, is classified as highland (>2500m a.s.l), characterized by rugged geomorphic features and steep slopes with narrow intermountain valleys (Vancampenhout et al. 2006). The population of the highland has grown quickly in the last few decades, ...
Document
... 97steps. We suppose that the levels of yields of pelagic fish and demersal fish are the same. 98These constraints, which attain critical values of a “healthy” system allow one to link yield 99objectives with the principle of ecosystem persistence. 100The viability analysis control problem and viabil ...
... 97steps. We suppose that the levels of yields of pelagic fish and demersal fish are the same. 98These constraints, which attain critical values of a “healthy” system allow one to link yield 99objectives with the principle of ecosystem persistence. 100The viability analysis control problem and viabil ...
Access to land, livestock production and ecosystem
... approach can be useful to start discussions on measures that could be taken. Since ownership of biodiversity is extremely important, the property measures could determine that access to grazing and water resources should be conditioned by the attaining of conservation responsibilities. The establis ...
... approach can be useful to start discussions on measures that could be taken. Since ownership of biodiversity is extremely important, the property measures could determine that access to grazing and water resources should be conditioned by the attaining of conservation responsibilities. The establis ...
Tal Rimah Range Rehabilitation Project
... the site was protected from grazing and was planted with shrubs from the genera Atriplex and Salsola. In addition, three water harvesting methods were evaluated. After establishment, these shrubs can be used in various ways, at different times of the year depending on adjacent range conditions and l ...
... the site was protected from grazing and was planted with shrubs from the genera Atriplex and Salsola. In addition, three water harvesting methods were evaluated. After establishment, these shrubs can be used in various ways, at different times of the year depending on adjacent range conditions and l ...
Rethinking Swidden Cultivation in Myanmar
... Swidden cultivation, also known as shifting cultivation or Shwe Pyaung Taung-ya, describes a spectrum of rotational agro-forestry practices at varying levels of intensity prevalent in Myanmar’s uplands. Swidden cultivation contributes to the livelihoods of millions of citizens, for whom it is a so ...
... Swidden cultivation, also known as shifting cultivation or Shwe Pyaung Taung-ya, describes a spectrum of rotational agro-forestry practices at varying levels of intensity prevalent in Myanmar’s uplands. Swidden cultivation contributes to the livelihoods of millions of citizens, for whom it is a so ...
A Record of Small-Clawed Otters
... benefit for the hairy-nosed otter. Our findings reveal utilization of this invasive pest species as part of the diet of small-clawed otters. Predation on exotic or invasive species by otters has been also reported for crabs (Weber, 2008) and fish (BlancoGarrido et al., 2008; Porciuncula and Quintela ...
... benefit for the hairy-nosed otter. Our findings reveal utilization of this invasive pest species as part of the diet of small-clawed otters. Predation on exotic or invasive species by otters has been also reported for crabs (Weber, 2008) and fish (BlancoGarrido et al., 2008; Porciuncula and Quintela ...
Community Perspectives on the On-Farm Diversity of Six Major
... for climate change, Bhutan is projected to experience a peak warming of about 3.5 °C by the 2050s with the overall significant increase in precipitation but with an appreciable change in the spatial pattern of winter and summer monsoon precipitation. Given this backdrop, the Bhutanese agriculture se ...
... for climate change, Bhutan is projected to experience a peak warming of about 3.5 °C by the 2050s with the overall significant increase in precipitation but with an appreciable change in the spatial pattern of winter and summer monsoon precipitation. Given this backdrop, the Bhutanese agriculture se ...
บทที่ 1 (คำนำ)
... Reduce inputs to and increase output from soil seed bank Allow crop earlier space capture Reduce weed growth and thus space capture Maximize crop growth and adaptability Minimize intra-specific competition of crop, maximize crop space capture Maximize competitive effects of crop on weed ...
... Reduce inputs to and increase output from soil seed bank Allow crop earlier space capture Reduce weed growth and thus space capture Maximize crop growth and adaptability Minimize intra-specific competition of crop, maximize crop space capture Maximize competitive effects of crop on weed ...
Science and Farmers: IPM by Farmers
... fields. All ten fields were planted with the same variety (IR 64) and were planted about the same time. Field practices were similar with the exception of insecticide applications. The farmer group would collect weekly data; record costs and eventually analyses the data. Results would be shared with ...
... fields. All ten fields were planted with the same variety (IR 64) and were planted about the same time. Field practices were similar with the exception of insecticide applications. The farmer group would collect weekly data; record costs and eventually analyses the data. Results would be shared with ...
Biodiversity and the Functioning of Selected Terrestrial Ecosystems
... The most obvious and direct element of planned agrobiodiversity is the crop plant. Breeding and selection for desirable agronomic traits has been at the centre of improving crop varieties since farming began. However, it is over the last 20 to 30 years that plant breeders have made greatest progress ...
... The most obvious and direct element of planned agrobiodiversity is the crop plant. Breeding and selection for desirable agronomic traits has been at the centre of improving crop varieties since farming began. However, it is over the last 20 to 30 years that plant breeders have made greatest progress ...
Full Text
... (within crop, within field, landscape level), giving farmers a wide variety of options and combinations for the implementation of this strategy. Diversification at the within-crop scale may refer to changes in crop structural diversity; for example, using a mixture of crop varieties that have differ ...
... (within crop, within field, landscape level), giving farmers a wide variety of options and combinations for the implementation of this strategy. Diversification at the within-crop scale may refer to changes in crop structural diversity; for example, using a mixture of crop varieties that have differ ...
Resilience in Agriculture through Crop Diversification
... (within crop, within field, landscape level), giving farmers a wide variety of options and combinations for the implementation of this strategy. Diversification at the within-crop scale may refer to changes in crop structural diversity; for example, using a mixture of crop varieties that have differen ...
... (within crop, within field, landscape level), giving farmers a wide variety of options and combinations for the implementation of this strategy. Diversification at the within-crop scale may refer to changes in crop structural diversity; for example, using a mixture of crop varieties that have differen ...
July 2010 - Borderlands Research Institute
... percent), rodents (10 percent), vegetation (10 percent) and big-game species (8 percent) were the major dietary items. From the Trans-Pecos, 154 coyote samples revealed that livestock (28 percent), rabbits (27 percent), vegetation (13 percent), big game (13 percent), other items (11 percent) and rod ...
... percent), rodents (10 percent), vegetation (10 percent) and big-game species (8 percent) were the major dietary items. From the Trans-Pecos, 154 coyote samples revealed that livestock (28 percent), rabbits (27 percent), vegetation (13 percent), big game (13 percent), other items (11 percent) and rod ...
US in the World-4 of 4 - Population Reference Bureau
... large number of young Paraguayans today who will enter their childbearing years in 2025, making Paraguay’s population triple that of Kansas’. While its landscape may be dominated by agriculture, over two-thirds of Kansas’ population lives in urban areas, and only 6 percent of the labor force is empl ...
... large number of young Paraguayans today who will enter their childbearing years in 2025, making Paraguay’s population triple that of Kansas’. While its landscape may be dominated by agriculture, over two-thirds of Kansas’ population lives in urban areas, and only 6 percent of the labor force is empl ...
the spider fauna of the irrigated rice ecosystem in central kerala
... (Rosenzweig 1995). In terrestrial environments, a decrease in species richness with elevation and latitude is a common phenomenon. High elevation communities almost invariably occupy smaller areas than lowlands and they will usually be more isolated from similar communities than lowland sites. The e ...
... (Rosenzweig 1995). In terrestrial environments, a decrease in species richness with elevation and latitude is a common phenomenon. High elevation communities almost invariably occupy smaller areas than lowlands and they will usually be more isolated from similar communities than lowland sites. The e ...
Biomass/Production
... (accumulated biomass) in an area per unit time (mass/area/time) • Gross primary productivity (GPP) - total amount of energy (carbon) fixed by photosynthesis per unit time (total production) • Net primary productivity (NPP) - GPP minus losses by respiration (net production) • Aboveground NPP • Belowg ...
... (accumulated biomass) in an area per unit time (mass/area/time) • Gross primary productivity (GPP) - total amount of energy (carbon) fixed by photosynthesis per unit time (total production) • Net primary productivity (NPP) - GPP minus losses by respiration (net production) • Aboveground NPP • Belowg ...
KDM 403: Management of Ranching Enterprise
... Concepts and principles, production considerations; beef and dairy production systems; free range grazing, cattle ranching management for increased production; small livestock production systems; sheep, goats rabbits, poultry; camel production systems; apiculture; nonconventional livestock productio ...
... Concepts and principles, production considerations; beef and dairy production systems; free range grazing, cattle ranching management for increased production; small livestock production systems; sheep, goats rabbits, poultry; camel production systems; apiculture; nonconventional livestock productio ...
EU Emergency Decisions for Harmful Organisms typical
... In 1974 and 1975, the disease was epidemic in Himachal Pradesh areas of Uttar Pradesh and the Gurudaspur area of the Punjab with 50% infection on the cultivar HD-2000. When infection is severe, yield, seed quality are adversely affected. Food grain is unacceptable when infection exceeds 3%. Once int ...
... In 1974 and 1975, the disease was epidemic in Himachal Pradesh areas of Uttar Pradesh and the Gurudaspur area of the Punjab with 50% infection on the cultivar HD-2000. When infection is severe, yield, seed quality are adversely affected. Food grain is unacceptable when infection exceeds 3%. Once int ...
- Connect Innovate UK
... ! One acre yields 1250 m2 of Piñatex ! The Philippines has 144,500 acres planted (FAO 2010) ! Total (theoretical) fibre yield would be of 72,200 tones per cycle, equivalent 180 million m2 of Piñatex per cycle ...
... ! One acre yields 1250 m2 of Piñatex ! The Philippines has 144,500 acres planted (FAO 2010) ! Total (theoretical) fibre yield would be of 72,200 tones per cycle, equivalent 180 million m2 of Piñatex per cycle ...
Can Ecological Agriculture Feed Nine Billion People?
... type of farming characterized by new goals and technologies. However, it is in developing countries that some of the most significant progress toward sustainable agroecosystems has been made in the past decade. The largest study comprised an analysis of 286 projects in fifty-seven countries that had ...
... type of farming characterized by new goals and technologies. However, it is in developing countries that some of the most significant progress toward sustainable agroecosystems has been made in the past decade. The largest study comprised an analysis of 286 projects in fifty-seven countries that had ...