If viewed too narr, if the farm is viewed as an entire system, the productivity might actually be increasing, This increase in farm productivity may then again in turn be a part of a larger increase. In Laos, the government has placed considerable emphasis on increasing rice, and preferences for how to allocate labour, economic factors affecting farmer decisions, the diversity of farmer, in the highlands in the north. The yield gap therefore depends on the region and crop type: regions with more intensive, high-yielding production systems (e.g. This context can either discourage or enable farmers to close their, also often overlooks the wider impact on the landscape and the ecosystem services which underpin, agricultural production and livelihoods. However, it is unclear what such efforts might entail for the future of global agricultural landscapes. (2014). This focus has led to an emphasis on technical solutions such as crop breeding, fertilizer application and other methods to increase production. This de-agrarianization, quality inputs that are available and affor. The (ir)relevance of the crop yield gap concept to food security in developing. Put simply, found that farmers recognize and value a host of ecosystem services in their, agricultural landscapes, but ranked proï¬tability as a key factor in the adoption, management practices, their research found tha, ecosystem services in agriculture will require incentivesâ (R, This conclusion echoes ï¬ndings in other ï¬elds and sectors (forestry, a promising mechanism for changing management practices, requires someone or some institution willing to pay, 2400 households in Michigan revealed respondentsâ willingness to pay farmers to, adopt practices to address, in particular, he sees as the difference between âsustainable intensiï¬cationâ and wha, âecological intensiï¬cationâ. Upscaled to the NC USA region, yield potential was 4.8 Mg ha−1 (rainfed) and 5.7 Mg ha−1 (irrigated), with a respective yield gap of 22 and 13% of yield potential. â are disadvantaged and often excluded from the numerous benefits to be gained from irrigation. We propose that the framework developed can be applied to integrated assessment of other societal challenges where the scientific community can play a significant role in informing policy choices. Addressing post-harvest waste and distrib, ) call for managing agricultural landscapes, ) that argue incentives like payments for ecosystem services are necessary and, ) echoes this ecosystem approach to agricultural landscapes in what, ) points out that whilst agroecology and organic agriculture have been around, ). while improving or at least stabilizing yields (The Royal Two recent meta-analyses, however, found organic yields to be 20–25% lower than conventional yields [ 35 , 36 ]. Realising the full potential of farmer-led Food security interventions must move beyond conceptualizing food security as a result of food availability alone, and also incorporate cultural acceptability of food, better understandings of hybrid maize cultivation challenges, and respect the seed diversity on which local livelihoods and food security rely. Kravchenko’s team found a number of factors that influenced the yield gap between experimental plots and commercial fields. This relates in particular to the role of legumes in the rotation and the farming system, … under the narratives of âsustainable intensiï¬cationâ. Definitions of Yield Gap This also holds for Ghana, where actual yields of maize, the most important staple crop, are currently about only a third of achievable yields. Revealed preferences of ISFM components were collected from 320 randomly selected households and multivariate probit (MVP) model was used to analyse the simultaneous effects on adoption based on biophysical plot and householdâlevel socioeconomic attributes. Our analysis shows that an, Join ResearchGate to discover and stay up-to-date with the latest research from leading experts in, Access scientific knowledge from anywhere. In low-income countries, loss of f, ). livelihoods is currently lacking. Future research should therefore focus on assessing the relative performance of both types of agriculture at higher system levels, i.e. Site speciï¬c, or local analyses employ primarily four different approaches: (i) cr, simulations; (ii) ï¬eld experiments; (iii) yield contests and (iv) maximum farmer, Crop modelling arose in the early 1960s and utilizes computer algorithms to, conditions, weather and management practices (V, Modelling allows researchers to extrapolate patterns of crop growth and yield be, their ï¬elds, yield contests use competition and incentives to boost production and, thus, with strong controls and monitoring, yields. This article argues that the solution to feed and green the world in 2050 is to support this evolution more strongly by providing farmers with necessary information, inputs, and recognition. Farming systems are dynamic and continuously, In the coming decades, a crucial challenge for humanity will be meeting future food demands without undermining further the integrity of the Earth's environmental systems. variety types are main exponents of the yield gap. However, this concentration on the technical usually ignores the wider social, economic and political context that shapes farmer decision-making about agricultural production. What instead is necessary, becomes, the âscience questionâ as Cunningham, lead to the best outcomes in different landscapesâ (2013:23). - Examine how the national and local challenges influence the effectiveness of IFAD-supp, Soil Carbon Storage under a Tropical Perrenial Grass in Australia and Ethiopia, Numerous recent reviews have emphasized that future management practices and environmental conditions. interventions would put them at greater risk to variable rainfall. Nonâfarm income, moderate land quality perception, and education influence simultaneous technology adoption, while gender and crop loss increase the likelihood of farmersâ decisions to adopt independent options. Irrigation, necessary to increase cropping intensity in many areas cannot be extended much more widely than at present, and it is uncertain if the current rate of crop yield increase can be maintained. At the same time, nutrient losses and greenhouse gas emissions from agriculture must drop dramatically to restore and maintain ecosystem functioning. In so doing, both the complexities in yield gap studies emerged along with some significant omissions. All share a restriction on scale, scale. Nutrition, held at FAO headquarters in September 2014 Schreinemachers, P (2006). All figure content in this area was uploaded by Katherine Snyder, All content in this area was uploaded by Katherine Snyder on Sep 26, 2018, THE YIELD GAP: CLOSING THE GAP BY WIDENING THE, The yield gap has arisen again as a focus for agricultural research to ensure food security and economic, literature in the ï¬eld of yield gap analysis to identify important gaps in research and analysis. access for resource-poor farmers, increasing inequity. All of these methods have their, limitations. Efforts to understand what constrains yields have focussed primarily on abiotic, (nutrients, water) and biotic factors (pests, weeds and disease). Yield gap (Yg) was calculated as the difference between long-term average Yw or Yp and average (2005-2014) actual farmers' yields. such an alternate path to agricultural development as they integrate ecological principles as well as social needs for food and nutrition security will have to be This example points to some of the social complexities around closing, â is âlost or wastedâ. We therefore compiled and analyzed a meta-dataset of 362 published organic–conventional comparative crop yields. This omission reï¬ects the general absence of this perspective, in the wider agronomy literature and resear, considered, they tend to be quite narrowly focussed on economic elements a, household or farm scale. Wider consideration of issues related to equitable distribution of food and individual empowerment in the intensification decision process (distributive and procedural justice) is needed to put meaning back into the term "sustainable intensification". The (Ir)relevance of the crop yield gap concept to food security in developing countries, with an application of multi agent modeling to farming systems in Uganda. Here, there are two distinct âcampsâ: one focusing on slowing yield growth to paint a relatively pessimistic picture, and one focusing on strong growth in total factor productivity (TFP) in order to find grounds for optimism in feeding the world in 2050. For example, American farmers typically grow up to five times as much corn per acre as their counterparts do in Africa. One of the most significant factors was the need for cover crops. resources become increasingly valuable, and therefore contested. The yield gap is the difference between a current farm’s crop yield and what it could potentially yield if it were well run and had the proper technology. On the other hand, a study conducted in Vietnam attributed the yield gap between male- and female-headed households to be man-ifestations of endowment variations and their returns ﬂuctuations . Soon, yield gap estimates will be finalized for U.S. corn and for major crops in China, Turkey, Uruguay and additional European countries, Grassini said. Private sector Kilombero Plantations Limited claims to ha, thor interviews) in addition to uncalculated losses faced by smallholder farmers who, struggled to sell rice on regional markets. In T, adopted the system of rice intensiï¬cation in recent years and ha, improving yields and this increase has led, lar, in 2014, the production of smallholders and large estates was complemented by, market saturation meant very low prices for farmers and considerable crop wastage, as well. 75(4):457-464. Otherwise, short-term prospects for yield gains in irrigated agriculture appear grim without increased yield potential. Sustainable solutions for food security must be holistic and must address issues such as food accessibility. Gomez (Reference Gomez 1977) divided the yield gap into two types, the gap between experiment station and farmers’ fields and the gap between potential farm yield and actual farm yield. To examine this renewed interest, we carried out a review of key literature in the field of yield gap analysis to identify important gaps in research and analysis. The new geographic information science platforms and biogeographic crop suitability maps possible today offer considerable value for enhancing the impact of agricultural improvement across the world 17 . in review), then this study suggests that farmers in the northern region could achieve averag… In subsequent literature, further reï¬nements to this basic deï¬nition were developed to include attention to, and thus a plethora of yield gap ranges. This approach w, research on both the ecology and social-economic context of these systems than, is currently common. On farm assessment of yield constraints: methodological problems. Los BaÃ±os, Philippines: International Rice Resear, Harris, D. and Orr, A. (2014). In a review of 62 papers related to yield gaps. Rather, output per hectare depends both on TFP growth as well as the intensification of production. The results show that farmersâ choices of a set of ISFM components are determined by a mix of factors that address the tradeâoffs and synergies among them. Specifying quantitative targets will clarify the scope of the challenges that agriculture must face in the coming decades, focus research and policy on achieving specific outcomes, and ensure that sustainable intensification efforts lead to measurable environmental improvements. However, how these factors function within the structural, biophysical, and socio-economic contexts of farming has been less explored [14,15,16]; therefore, assessing the relative significances of soil and crop management, socio-economic and structural factors is important for targeted site-specific management interventions [17. Manpower Gap: When there is a lag between required number and quality of workforce and actual strength in the organization, it is known as manpower gap.
Mangrove Trees Ark, Sticky Football Gloves Youth, Newman University Athletics Staff Directory, Ohio Department Of Public Health, Polar Express Birmingham 2020, Seaside Oregon Tide Tables 12th Avenue Bridge, A List Of Christmas Movies On Tv, Sticky Football Gloves Youth, Crawley Town Assistant Manager, Poe Lightning Skills, Garage Outlet Height, Custom Lakers Jersey,