Results 51 to 60 of about 2,695 (165)
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2003 O trabalho teve como objetivo demonstrar o procedimento inicial para a instalação da técnica in vitro semi-automática de produção de gases em diferentes laboratórios, ou seja, estabelecer uma equação que estime o volume (V) de gases produzidos no ...
Maurício R.M. +3 more
doaj
Phytoseiid mites are bio-indicators of agricultural practice impact on the agroecosystem functioning: The case of weed management in citrus orchards [PDF]
, 2010 n tropical conditions, the weed management in citrus orchards is particularly problematic when the fields are not mechanized. To reduce competition between trees and weeds, the producers use herbicides in excess of the permitted annual dose, particularly
Bockstaller, Christian +7 more
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Brazilian Journal of Veterinary Research and Animal Science, 1993 As taxas de degradação ruminal da matéria seca (MS), proteína bruta (PB) e fibra bruta (FB) das leguminosas alfafa e soja perene, nas formas verde e desidratada, foram determinadas pela técnica dos sacos de náilon “ in situ”. Oito bovinos machos mestiços, com fístulas de rúmen, foram usados em um delineamento “change-over” com dois grupos de 4 animais,
Laércio Melotti +5 more
openaire +2 more sources
Pastos y Forrajes, 2012 Se realizó un experimento de 100 días de duración, con el objetivo de determinar el potencial nutricional del forraje de morera (Morus alba Linn.), ramié (Boehmeria nivea L.
O López, I. L Montejo, L Lamela
doaj
Forage production and quality of tropical forage legumes submitted to shading
Ciência Rural: Find shade-tolerant species is essential to the success of silvopastoral systems, increasingly frequent in recent years. In legumes, which have potential of biological nitrogen fixation, there is a great lack of knowledge when in shaded environments ...
Fábio Nunes Lista +4 more
doaj +1 more source
Estudio de la diversidad de leguminosas nativas de la subfamilia Papilonoideae, promisorias como cultivos supresores de malezas en agroecosistemas citricolas orgánicos de Yateras, Cuba [PDF]
, 2009 El desarrollo de la citricultura orgánica en Cuba comprende entre tantos aspectos, el manejo de las arvenses asociadas en esos agroecosistemas. Dentro de las estrategias actuales para este fin, se encuentra el empleo de cultivos de coberturas supresores ...
Cueto, Jorge R. +4 more
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Boletim de Indústria Animal, 2017 Mixed pastures with legumes and grasses have been studied because of their advantages, such as increased plant diversity and especially the potential for biological nitrogen fixation of legumes, in some cases not requiring the use of nitrogen fertilization.
Thiago Herling da Cruz Madeira +6 more
openaire +9 more sources
An agroecological approach to alleviate the impact of nematodes in banana cropping systems [PDF]
, 2008 For many decades, control of plant-parasitic nematodes and in particular of the worldwide species Radopholus similis was mainly based on chemical nematicides not fully safe for the environment and human health.
Bouamer, Salah +6 more
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Evaluation de 6 variétés de mangue : bilan de 4 années d'expérimentation sur un mode de production biologique. [PDF]
, 2010 Les surfaces cultivées de manguier en Guadeloupe reste encore faibles. Paradoxalement ceci s'explique par la popularité de la variété 'Julie'. Celle?ci est en effet très fréquemment plantée dans les jardins ayant pour conséquence, qu'en saison de ...
Calabre, Corinne +3 more
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Suscetibilidade de Merremia cissoides, Neotonia wightii e Stizolobium aterrimum aos herbicidas amicarbazine, imazapic e sulfentrazone [PDF]
, 2016 Three experiments were developed with the goal to evaluate the susceptibility of Merremia cissoides, Neonotonia wightii and Stizolobium aterrimum to the amicarbazone, imazapic and sulfentrazone herbicides, by means of rate-response curves.
Campos, Luiz Henrique Franco +3 more
core +2 more sources