Results 21 to 30 of about 505 (171)

Descripción del nido de Phyllotis andium (Cricetidae: Phyllotini), en un matorral seco interandino en Ecuador

open access: yesRevista Peruana de Biología, 2021
En este trabajo describimos la estructura del nido de Phyllotis andium Thomas, 1912 en un matorral seco interandino al sur de la provincia del Azuay en Ecuador y el uso de un pasto introducido en su fabricación.
Carlos Nivelo-Villavicencio   +2 more
doaj   +1 more source

Development and evaluation of a constructed pilot-scale horizontal subsurface flow wetland treating piggery wastewater

open access: yesAin Shams Engineering Journal, 2018
This paper reports on the development and evaluation of a pilot horizontal subsurface flow constructed wetland (HSSFCW) for removal of biochemical oxygen demand (BOD), chemical oxygen demand (COD), total dissolved solids (TDS), total nitrogen (TN) and ...
I.J. Udom, C.C. Mbajiorgu, E.O. Oboho
doaj   +1 more source

Essai de fertilisation du Pennisetum clandestinum au Cameroun : aspects qualitatifs et quantitatifs [PDF]

open access: yesTropicultura, 1989
Fertilization trial on Pennisetum clandestinum in Cameroon : qualitative and quantitative. Dry matter production of Pennisetum clandestinum on sand, in pot trials, has been studied according to a "constant sum" methodology for the 3 elements N, P and K ...
Anneessens, M.
doaj  

Performance of warm-season turfgrasses under different water regimes in the Mediterranean climate conditions of Southern Italy

open access: yesItalian Journal of Agronomy, 2016
In Mediterranean areas, very scarce rainfalls during the summer season are a limiting factor to the sowing and managing of turfgrasses. This work evaluates the response to different irrigation regimes (50 or 75% of reference evapotranspiration) of ...
Vito Marchione, Mariano Fracchiolla
doaj   +1 more source

The accumulation of nitrate in Kikuyu grass (Pennisetum clandestinum Hochst) [PDF]

open access: yesSouth African Journal of Plant and Soil, 1987
A study was made of some of the factors responsible for the accumulation of excessive amounts of nitrate in certain Kikuyu pastures. Accumulation, mainly in stem tissue, is the nett result of several contributing processes. Climatic conditions causing a decline in the requirements of the plant for assimilated nitrogenous substances, stimulate ...
J. P. Marais   +2 more
openaire   +1 more source

Contenidos de carbono y nitrógeno del suelo en un agroecosistema altoandino del Valle del Cauca, Colombia

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2022
Los ecosistemas altoandinos o de alta-montaña, se caracterizan por prestar servicios ecosistémicos esenciales, muchos de ellos, relacionados con el suelo; sin embargo, se conoce que las actividades agrícolas y pecuarias han llevado a cambios progresivos
Francy Zorayda Gómez-Balanta   +1 more
doaj   +1 more source

Calibración del plato forrajero en praderas de kikuyo (Pennisetum Clandestinum Hochst.ex Chiov) en el trópico alto colombiano

open access: yesCiencia y Agricultura, 2019
La región andina colombiana, en el departamento de Boyacá a 2560 msnm en el cordón lechero colombiano, las explotaciones ganaderas se caracterizan por tener la especie forrajera perenne predominante conocida como Kikuyo (Pennisetum clandestinum Hochst.ex
Diego Moreno   +3 more
doaj   +1 more source

Valoración nutricional y emisión de gases de algunos recursos forrajeros del trópico de altura

open access: yesRevista de Ciencias Agrícolas, 2014
Se determinó la producción de gases (metano, AGVs) en algunos forrajes herbáceos, arbóreos y arbustivos de la región lechera del municipio de Pasto, en altitudes comprendidas entre 2600 a 3200 m.s.n.m.
Edmundo Apráez   +2 more
doaj   +1 more source

Nutritional value of forage species from the Central Highlands Region of Mexico at different stages of maturity Valor nutricional de espécies forrageiras nativas da Região Central Montanhosa do México em diferentes estádios de maturidade

open access: yesCiência Rural, 2012
This paper has two objectives, the first is to determine the chemical composition, gas production parameters and the gas release kinetics, at different stages of maturity, of three grasses and a legume commonly found in long established pastures in ...
Adolfo Armando Rayas Amor   +3 more
doaj   +1 more source

BASE GROWTH TEMPERATURE AND PHYLLOCHRON FOR KIKUYU GRASS (Cenchrus clandestinus; Poaceae)

open access: yesActa Biológica Colombiana, 2021
In order to estimate the base temperature (Bt) of growth through the appearance of leaves and calculate the phyllochron for kikuyu grass, three plots were established on three farms in the Provincia of Ubaté (Cundinamarca, Colombia) located at different ...
Ruth Amanda Acero Camelo   +4 more
doaj   +1 more source

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