Results 71 to 80 of about 2,896 (240)

Morphological and physiological performance of PSB Rc18 lowland rice (Oryza sativa L.) grown at different water, spacing and nutrient management

open access: yesAnnals of Tropical Research, 2019
Rice yield fluctuates because of environmental influences on morphological and physiological processes, as well as inadequate human intervention, to stabilize crop productivity. A field experiment was conducted in two cropping seasons at the experimental
Ruth O. Escasinas, Oscar B. Zamora
doaj   +1 more source

Biomass flow in massai grass fertilized with nitrogen under intermittent stocking grazing with sheep. [PDF]

open access: yes, 2015
: This study evaluated the biomass flow of massai grass in regrowth subjected to different nitrogen levels (control - no fertilization; 400; 800; and 1200 N kg ha-1year-1) and under rotational stocking with sheep, in a completely randomized design with ...
CARVALHO, T. C. F. de   +7 more
core   +1 more source

Características morfogênicas e estruturais do capim-xaraés submetido a alturas de corte [PDF]

open access: yes, 2010
The objective of this work was to evaluate the morphogenetic and structural characteristics of xaraes palisadegrass submitted to three cutting heights (15, 20 and 25 cm) when the sward reached 95% of light interception during regrowth. The experiment was
FONSECA, Dilermando Miranda da   +6 more
core   +5 more sources

Effect of Varying Temperature Regime on Phyllochron in Four Warm-Season Pasture Grasses

open access: diamond, 2014
Using accumulated temperature measures to predict plant development may provide guidance on timing of management practices to minimize competition between warm and cool-season components of mixed pastures.
P. W. Bartholomew
openalex   +3 more sources

Biomass turnover in brachiaria cultivars in a tropical environment

open access: yesBioscience Journal, 2017
The experiment was conducted to evaluate the morphogenetic traits of three Brachiaria cultivars (common, Llanero and Tupi) subjected to continuous grazing with variable stocking rate in the four seasons of the year.
Cláudia de Paula Rezende   +7 more
doaj   +3 more sources

Métodos de soma térmica e datas de semeadura na determinação de filocrono de cultivares de trigo Thermal time methods and sowing dates in phyllochron determination in wheat cultivars

open access: yesPesquisa Agropecuária Brasileira, 2009
O objetivo deste trabalho foi avaliar o efeito dos métodos de cálculo de graus-dia e de datas de semeadura na determinação do filocrono de cultivares de trigo (Triticum aestivum).
Hamilton Telles Rosa   +3 more
doaj   +1 more source

Assessing maize growth and yield response to different P fertilizer levels with an adapted DSSAT CSM‐CERES‐Maize model

open access: yesAgronomy Journal, Volume 118, Issue 1, January/February 2026.
Abstract Phosphorus (P) is essential for maize (Zea mays L.) growth but is a limited and non‐renewable resource. Studies using DSSAT CSM‐CERES‐Maize remain scarce for low‐P soils. This study assessed maize yield response to P fertilization in P‐deficient soils using an adapted version of the DSSAT CSM‐CERES‐Maize model with minor code modifications to ...
Shinhye Lee   +4 more
wiley   +1 more source

Comparative growth and management of white and red clovers [PDF]

open access: yes, 2009
peer-reviewedThe aim of this paper is to provide the underpinning scientific basis for the optimum management of white and red clovers. Critical morphological and canopy characteristics which influence the yield and persistence of white and red clover in
Black, Alistair D   +3 more
core  

Impact of calibration strategy and data on wheat simulation with the DSSAT‐Nwheat model

open access: yesAgronomy Journal, Volume 117, Issue 4, July/August 2025.
Abstract Cropping system models (CSMs) are valuable tools for analyzing genotype, environment, and management (G × E × M) interactions in crop production. To apply a CSM in a new region with specific soils, climate, and cultivars, proper calibration and evaluation are required.
Ashifur Rahman Shawon   +6 more
wiley   +1 more source

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