Results 71 to 80 of about 7,074 (190)
Agronomía Mesoamericana, 2006 La ciencia y la tecnología constituyen la brecha más importante entre la pobreza y la prosperidad. Durante el último cuarto de siglo, la introducción de prácticas tecnológicas basadas en la ciencia, han ayudado a muchos países en desarrollo a alcanzar ...
Hugo Salvador Córdova-Orellana +2 more
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Food Price Crises and the Insulation of Domestic Grain Markets
Agricultural Economics, Volume 57, Issue 4, July 2026.ABSTRACT Studies that analyze the transmission of food prices from international to domestic markets for large sets of countries and products assume that price relationships are time‐invariant. However, studies that look in detail at individual countries and products show that countries respond to increasing international food prices with measures that
Clemens Hoffmann +3 more
wiley +1 more source
Agropecuária CatarinenseEste trabalho objetivou diagnosticar a ocorrência de limitações física e química em lavouras manejadas sob sistema plantio direto. O estudo foi conduzido a campo, em 12 talhões agrícolas em Latossolos, Nitossolos e Cambissolos com caráter alumínico.
André Julio Amaral +4 more
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Comportamiento de híbridos de maíz y aptitud combinatoria de líneas con caracteres contrastantes.
Agronomía Mesoamericana, 2016 Se identificaron doce líneas con mazorca larga y doce líneas con mazorca gruesa. Las cruzas simples fueron evaluadas bajo un diseño de látice simple 12 x 12 en cinco ambientes duran-te 1995. Estimaciones de aptitud combinatoria general (ACG) y específica
Narciso Vergara +4 more
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Insects and Survival: A Review of Primary and Secondary Defense Strategies
Entomologia Experimentalis et Applicata, Volume 174, Issue 7, Page 601-624, July 2026.Based on a review of three decades of literature, insect defense mechanisms are classified into primary (I) and secondary (II) mechanisms of behavioral, morphological, and chemical nature. These mechanisms have been recorded in 22 (I) and 20 (II) orders, respectively.
Lucas Fernandes Silva +3 more
wiley +1 more source
Analgesia postoperatoria en la Cirugía Artroscópica de rodilla. Estudio multicéntrico.
Revista Cubana de Anestesiología y Reanimación, 2003 Introducción: La cirugía artroscópica ambulatoria es uno de los procedimientos mas requeridos y practicados en la cirugía moderna de rodilla. La anestesia local infiltrativa compite porestablecerse con las técnicas de bloqueo espinal.
Jorge L. Yera Nadal +4 more
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Oral diseases in Chinese students
Revista Cubana de Estomatología, 2013 Introduction: recently, Chinese students are being massively received in our medical universities. This is an unprecedented event in our country. For mastering everything about their oral health and their health-disease process, a stomatologic study was ...
Hilda Rodríguez Chala +3 more
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BRS 328 – Double haploid bread wheat cultivar [PDF]
Crop Breeding and Applied Biotechnology, 2014 The wheat cultivar ‘BRS 328’ was developed by Embrapa from a cross between KleinH3394 and PF 990744. The preharvest sprouting resistance of ‘BRS 328’ is good and the grain yield high.
Pedro Luiz Scheeren +7 more
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, 2017 El barbecho químico es la etapa que precede al cultivo e incluye el periodo comprendido entre el primer tratamiento con herbicidas posterior a la cosecha del cultivo antecesor y la siembra del cultivo sucesor en la rotación. Así, en los planteos de producción en siembra directa bajo condiciones de secano, el barbecho químico debe ser realizado con la ...
Ponsa, Juan Carlos, Principiano, Martín
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History of wheat cultivars released by Embrapa in forty years of research [PDF]
Crop Breeding and Applied Biotechnology, 2014 In forty years of genetic breeding of wheat, Embrapa (Brazilian Agricultural Research Corporation) has developed over a hundred new cultivars for different regions of Brazil.
Eduardo Caierão +3 more
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