Watershed degradation and management practices in north-western highland Ethiopia

2020 ◽  
Vol 192 (10) ◽  
Author(s):  
Desalew Meseret Moges ◽  
H. Gangadhara Bhat
2019 ◽  
Vol 20 (3) ◽  
pp. 145-151
Author(s):  
C. Sivakumar ◽  
◽  
A. Krishnaveni ◽  
M. Pandiyan ◽  
◽  
...  

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Yebirzaf Yeshiwas ◽  
Esubalew Tadele

In developing countries, food systems are mainly characterized by unorganized, traditional supply chains, and limited market infrastructure. Bulk quantity of the harvested produce is lost every year because of the absence of proper postharvest handling and management practices. The current study was conducted to estimate and identify the major causes for postharvest losses of fruits and vegetables in Debre Markos, north-western Ethiopia. Forty respondents who were retailing fruits and vegetables were randomly selected and qualitative and quantitative data were collected by using direct market observation and semistructured questioners. The result of the present study revealed significant differences between sociodemographic factors, handling practices, and postharvest loss. Educational status, selling experience, and packaging material have a significant relationship with postharvest loss. A significant difference was obtained among the transportation methods used, the selling place, storage methods, and materials. The result also indicated that fewer than 20 percent of respondents practiced selling fruits and vegetables in the resident mini shop. The majority of damaged produce was sold at a discount price. Retailers do not have formal knowledge of postharvest handling practices. The average postharvest losses of fruits and vegetables were estimated to be five to eighty-three percent of the market share. Mainly, during retailing, rotting, mechanical damage, poor handling, improper management of temperature and relative humidity, and hygiene problems during handling are among the major causes of postharvest losses. To reduce the high postharvest loss and supply quality products for consumers throughout the year, intervention activities such as the construction of permanent selling place for perishables, practicing various evaporative cooling technologies, outset training, awareness creation, and infrastructures should be effectively and urgently addressed.


Author(s):  
M. R. Yadav ◽  
C. M. Parihar ◽  
S. L. Jat ◽  
A. K. Singh ◽  
Rakesh Kumar ◽  
...  

The present study was planned to evaluate the long term effect of legume intensified maize based crop rotations and tillage practices on productivity, profitability of maize vis-a-vis soil health. The experiment consisted of three tillage practices i.e. zero tillage (ZT), permanent bed (PB) and conventional tillage (CT) as main plot treatments and four crop rotations (MWMb; maize-wheat-mungbean, MCS; maize-chickpea-Sesbania, MMuMb; maize-mustard-mungbean, MMS; maize-maize-Sesbania) as sub plot treatments. Results revealed that ZT and PB resulted into significantly (P less than 0.05) improvement in grain (7.7-14.2%) and stover yield (7.4-13.0%) of maize over CT. Similarly, maize grain and stover yield were invariably higher in MCS and MWMb systems compared to MMuMb and MMS rotations. The total soil carbon (TSC) content increased by 15.4-17.4 and 20.32-20.91% with ZT and PB over CT in 0-15 and 15-30 cm soil depths, respectively. However, MCS and MWMb rotations registered 11.3-18.0% (0-15 cm) and 8.4-11.0% (15-30 cm) higher TSC over MMuMb rotation. Similarly, ZT and PB resulted into significantly (P less than 0.05) improvement in available soil nitrogen (N), phosphorus (P) and potassium (K) compared to CT. ZT/PB under MCS crop rotations registered higher net returns and BC ratio compared to rest of the treatment combinations. Interaction effect of tillage and crop rotations were significant (P less than 0.05) for stover yield, net returns, BC ratio and TSC and all these parameters were reported maximum with ZT-MCS. Thus, the present study suggests that CA based crop management practices can be advocated as sustainable intensification strategy in north-western India.


2021 ◽  
Vol 3 (1) ◽  
pp. 056-061
Author(s):  
Muhammad Nasiru Abubakar

The growing and management of Jatropha curcas, either on private, public or community land is poorly documented and there is little field experience that is being shared especially in North western Nigeria where it is still grown wild. The few growers are unable to achieve the optimum economic benefit from the plants. However, the recent importance attached to Jatropha in the Nigerian Savanna agro-ecology have revealed that, the crop is subject to attack by a diversity of arthropod pests’ species and diseases, some of which may warrant control measures taken against them. Diseases caused by a number of plant pathogenic (disease-causing) organisms such as fungi, bacteria, virus etc often have a significant economic impact on yield and quality of Jatropha plant, hence the need for adopting control measures become imperative in order to be managed for successful production. Therefore, there is need to conduct a research on common diseases affecting the growth and development of J. curcas and possible management practices in north western Nigeria.


Author(s):  
Ignacio J. DIAZ-MAROTO ◽  
Pablo VILA-LAMEIRO

The climax vegetation that currently covers the north-western Spain is the deciduous hardwoods forests characterized by different oak species. Galician oaks present a wide-ranging range of ages and qualities, as a result of the different uses and status of conservation. Many of these forests were intensively exploited, and in many cases inappropriate management practices have been applied. However, today these forests comprise a habitat of interest to the European Community and should be conserved, remain basic, in many areas to implement sustainable rural development. Common oak forests (Quercus robur L.) occupy an area of 246,445 ha in Galicia, 18 % of the total forest area. The current location of a lot of oak stands in steep zones indicates that they have remained in such areas from immemorial times because it was not possible the harvesting and these stands are now very important in ecological and landscape terms. The best sites for Quercus robur correspond to zones where the climatic characteristics combine optimally higher minimum temperature, lower thermal amplitude and higher precipitation. Known the present silvicultural status of these forests, alternative methods must be proposed for its management, which will range from a conversion to high forest to recovery of the most deteriorated stands by reforestation.


Author(s):  
Volodymyr Shemayev ◽  
◽  
Larysa Shemayeva ◽  

With the beginning of port reform in Ukraine, the model of port sector gover-nance was changed. Established in 2013, the Ukrainian Sea Ports Authority was endowed with administrative, maritime safety and security functions. Purely commercial activities remained with public and private stevedoring companies and marine terminals. This distribution of functionality in seaports has brought the domestic governance model closer to the well-known in North America and North-Western Europe – landlord-port model. The aspects identified as a result of the study,namely control over land plots, legal status of the Ukrainian Sa Ports Authority, the presence of state stevedores, and unsettled relations with local authorities, do not allow to classify the domestic port governance model in the classical sense of landlord-port. The latter points rather to a hybrid model in Ukraine with some elements of landlord-port model, such as concessions, private participation in services etc. The most vulnerable element in the context of the port-landlord model at the Ukrainian Sea Ports Authority is the lack of a mechanism for managing port areas due to the presence of several types of landowners in a seaport including public, local and private entities. The article proposes a number of measures, including corporatization of the Ukrainian Sea Ports Authority, amendments to the legislation, innovations in the distribution of concession fees, support of the state's exit from the stevedoring activity segment in ports, as wellas an inventory of port territories, the implementation of which can qualitatively bring the Ukrainian model closer to the port management practices of North-Western Europe. In addition, involvement of local authorities into activities of seaport councils as permanent members, and -after corporatization of Ukrainian Sea Ports Authority- to participate in pilot projects of joint ownership of autonomous port authorities (for example in the ports of Odessa and Mykolayiv) could facilitate a sustainable cooperation between a port and local governance


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