Results 111 to 120 of about 207,187 (286)

Efficiency of water use and nitrogen for goat milk production in irrigated pasture to different management

Arquivo Brasileiro de Medicina Veterinária e Zootecnia
The aim was to determine the efficiency of use of water and nitrogen for forage production and goat-milk production on an irrigated Tanzania Guineagrass (Panicum maximum cv. Tanzânia) pasture subjected to different management practices.
A.C.R. Cavalcante, P.M. Santos, J.A.A. C. Júnior, M.J.D. Cândido, N.L.S. Lemos   +4 more
doaj   +1 more source

Modelling Organic Dairy Production Systems [PDF]

, 2004
In this study, a large number of organic dairy production strategies were compared in terms of physical and financial performance through the integrated use of computer simulation models and organic case study farm data.
Fowler, S, Lampkin, N, Nicholas, P, Padel, S, Topp, K, Weller, R   +5 more
core  

The impacts of biological invasions

Biological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock, Teun Everts, Neil Angelo S. Abreo, Jamie Bojko, Victor Deklerck, James W. E. Dickey, Ana Clara S. Franco, Emili García‐Berthou, Stelios Katsanevakis, Natalia I. Kirichenko, Stefano Mammola, Martin A. Nuñez, Ben Parker, Riccardo Scalera, Ismael Soto, Diederik Strubbe, Ali Serhan Tarkan, Lorenzo Vilizzi, Tim Adriaens, Paride Balzani, Dagmara Błońska, Elizabeta Briski, Rein Brys, Amy L. Burgess, James E. Byers, Carlos Cano‐Barbacil, Giuseppe Castaldelli, Jaimie T.A. Dick, Victoria Dominguez Almela, Romina D. Dimarco, Margarita Florencio, Antonín Kouba, Melina Kourantidou, Irmak Kurtul, Irene Martín‐Forés, Olivier Morissette, Julian D. Olden, Bruno E. Soares, Jakub Truszkowski, Hugo Verreycken, Marc Kenis, Ronaldo Sousa, J. Robert Britton   +42 more
wiley   +1 more source

Ecological Pest Control in Alpine Ecosystems: Monitoring Asteraceae Phytophages and Developing Integrated Management Protocols in the Three River Source Region

Insects
Aster spp., a key grass species for the ecological restoration of alpine degraded grasslands on the Qinghai–Tibet Plateau, often suffers from pest damage during its flowering and seed maturation stages, severely limiting the effectiveness of ecological ...
Li-Jun Zhang, Yu-Shou Ma, Ying Liu, Jun-Ling Wang   +3 more
doaj   +1 more source

Applications of remote sensing (ERTS) to resource management and development in Sahelien Africa (Republic of Mali) [PDF]

The primary resource management problem in Sub-Saharan Africa (the Sahel) is increasing aridity or desertification. Space observations of sand streams, dune orientations, moisture and vegetation changes and other factors associated with desertification ...
Macleod, N. H.
core   +1 more source

Summer flooding of hay fields and pastures [PDF]

, 2007
Most forage crops perform best when soils have adequate, but not excessive, soil moisture. Standing water, flowing water, and waterlogged soils following heavy summer rainstorms or extended periods of higher than normal rainfall patterns can all cause ...
Barnhart, Stephen K.
core   +4 more sources

Forage Management in the North [PDF]

Journal of Range Management, 1976
William C. Troxel, Dale Smith
openaire   +1 more source

The As and Bs of titi monkey linguistics: why emotional communication is not the enemy

Biological Reviews, EarlyView.
ABSTRACT The alarm call sequences of titi monkeys (genera Plecturocebus, Callicebus and Cheracebus) have sparked important debates over whether they exhibit parallels with human language. Some researchers consider these sequences to involve both semantics and syntax, while others argue that the sequences convey semantic information without syntax.
Mélissa Berthet, Geoffrey Mesbahi, Maël Leroux   +2 more
wiley   +1 more source

Long Term Comparison of Alternative Range Livestock Management Strategies Across Extended Droughts and Cyclical Prices [PDF]

Variable precipitation, more importantly drought, impacts profitability for livestock management. Financial outcomes from management decisions related to forage shortages can be exacerbated by price variability.
Bastian, Christopher T., Paisley, Steven I., Ritten, John P., Smith, Michael A.   +3 more
core   +1 more source

Summer Annual Forage Mixtures Trial [PDF]

, 2015
In 2015, the University of Vermont Extension Northwest Crops and Soils Program evaluated yield and quality of six summer annual forage species and five mixtures at Borderview Research Farm in Alburgh, VT.
Calderwood, Lily, Cummings, Erica, Darby, Heather, Gupta, Abha, Post, Julian, Ziegler, Sara   +5 more
core   +1 more source