Manejo de Suelos - Fertilización, Compostado, Nutrición vegetal

Efecto de Capas Endurecidas de Suelos Sobre el Potencial Productivo de Viñedos, Alto Valle de Río Negro, Patagonia, Argentina

En Aridisoles del Alto Valle de Río Negro, Argentina, se estudió el efecto de horizontes endurecidos sobre el potencial productivo de Vitis vinifera L., cultivares Merlot, Malbec y Cabernet Sauvignon. El trabajo se realizó durante la temporada 2002-2003 en 15,5 ha de vi...
Alicia Apcarian
María del C. Echenique
María C. Aruani
Pablo Reeb
Chilean Journal of Agricultural Research

Soil Management for the Conservation of Soil Nitrogen

It is impossible simply to quantify soil nitrogen fertility. Soil nitrogen fertility should be recognized as the integrated function of various processes in the nitrogen cycle in a soil-plant system, and of the environmental factors affecting them. Nitrogen mineralization is the most important...
Masanori Saito
Food & Fertilizer Technology Center

Soil Management for Sustainable Agriculture in Korea

This paper discusses the effect on Korea's soils of modern farming practices, particularly heavy applications of chemical fertilizers. It outlines the problems which are beginning to become serious, and suggests ways in which the situation might be improved. Soil management practices for...
Sun-Ho Yoo
Yeong-Sang Jung
Food & Fertilizer Technology Center

Fertilización Nitrogenada y Rendimiento en Orégano (Origanum x applii)

El objetivo de este trabajo fue evaluar la respuesta del cultivo de orégano (Origanum x applii) a la fertilización nitrogenada. La experiencia se desarrolló en La Plata, Argentina, durante 1999 y 2000. Los tratamientos consistieron en la aplicación de 0, 40, 80 y 120...
R. Barreyro
J. Ringuelet
S. Agrícola
Ciencia e Investigación Agraria

Soil Management For Sustainable Food Production in Taiwan

Under Taiwan's subtropical conditions and intensive cropping systems, soils suffer from a low pH, and a low organic matter and nutrient content. Chemical fertilizers are used to increase crop production, and good yields have been obtained in past years. However, other soil properties such as...
Shan-ney Huang
Food & Fertilizer Technology Center

Efecto de dos enmiendas orgánicas y Trichoderma spp. para controlar Sclerotinia spp. en lechuga

Se evaluó el efecto de la materia orgánica contenida en un biosólido y estiércol de pollo, sobre el establecimiento y desempeño de Trichoderma spp., empleados como agentes de biocontrol de Sclerotinia spp., en lechuga (Lactuca sativa L. cv. Buba). La diná...
M. A. Osorio-Nila
L. M. Vázquez-García
M. L. Salgado-Siclán
C. E. González-Esquivel
Revista Chapingo Serie Horticultura

Soil properties influencing phytoparasitic nematode population on Chilean vineyards

Lifecycle of phytoparasitic nematode takes place in the rhizosphere, therefore their breeding, parasitism and mobility dynamics are inevitably influenced by the soil-root interaction, A study was performed to evaluate the influence of Vitis rootstocks to some plant parasitic nematodes under...
Mario Fajardo P.
Erwin Aballay E.
Manuel Casanova P.
Chilean Journal of Agricultural Research

Soil Conservation on Sloping Orchards in Japan

In Japan, most orchards are located on sloping land. Citrus orchards, in particular, are often established on steep slopes. In such areas, soil conservation practices such as mulching and the planting of grass cover are widely used to control erosion during the rainy season. In addition,...
Seiji Nakao
Food & Fertilizer Technology Center

Selecting Indicators to Evaluate Soil Quality

The main degraded and contaminated soils in Taiwan include highly acid soils, soils deficient in micro-elements, eroded and poorly drained sandy soils, soils suffering from water stress, compacted soils, and rural soils contaminated by trace elements and organic pollutants. Reliable and practical...
Zueng-Sang Chen
Food & Fertilizer Technology Center

Uso adecuado de fertilizantes en porotos

El poroto es una planta exigente en nutrientes para alcanzar altas producciones de grano. Por lo general, los suelos no tienen disponibilidad suficiente de estos nutrientes, especialmente aquellos que son absorbidos en grandes cantidades como el nitrógeno (N), fósforo (P), Potasio (...
Nicasio Rodriguez S.
INIA Chile