Results 101 to 110 of about 402,690 (217)

Crop Height Estimation Based on a Novel Semi-Empirical Model Considering Double-Bounce Scattering Using RADARSAT-2 PolSAR Data [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Obtaining precise and rapid crop height is essential to facilitate agricultural production services, field management, disaster monitoring, and yield assessment.
S. Hu   +6 more
doaj   +1 more source

Genetic variability and correlation analysis of rice (Oryza sativa L.) inbred lines based on agro-morphological traits [PDF]

open access: yes, 2016
In order to evaluate genetic variability of agro-morphological traits and also determine the correlation between grain yield with its components in rice lines, 17 recombinants inbred lines, their parents and a check variety were grown in research station
Audebert, Alain   +4 more
core   +1 more source

The potential for using a free-growth system in the rehabilitation of poorly performing pole-stage broadleaf stands [PDF]

open access: yes, 2013
peer-reviewedThis paper is a literature review of the free-growth system, which may have potential for the rehabilitation of some poorly-performing pole-stage broadleaf stands.
Short, Ian
core  

Laboratory investigation of the effect of thickness and two porous obstacles with a spacing in the Control the Turbidity Current [PDF]

open access: yesمهندسی منابع آب, 2020
In the present study, a laboratory comparison of increasing the number of porous obstacle rows and two porous obstacles with a distance of one meter is considered as a permeable obstacle for controlling turbidity current in different heights.
Mojtaba Kordnaeij   +3 more
doaj  

Nitrogen dynamics in a mature Miscanthus x giganteus crop fertilized with nitrogen over a five year period [PDF]

open access: yes, 2014
peer-reviewedThe objective of this study was to investigate N dynamics and response to N fertilization in a mature crop of Miscanthus x giganteus. A crop of Miscanthus x giganteus sown in 1994 was fertilized with five N rates (0, 38, 63, 90 and 125 kg ...
Burke, B., Finnan, John
core  

Effect of SP- 36 Fertilizer and Cow Manure on the Growth and Yield of Barley OrJagaq (Setaria Italica L.). [PDF]

open access: yes, 2017
The research objectives were: (1) to determine the effect SP-36 fertilizer and cow manure as well as their interaction on the growth and yield of barley; and (2) to obtain appropriate dosages of SP-36 fertilizers and cow manure to obtain better yield of
Wilson Markoni, Marisi N, Abdul F
core   +2 more sources

Spring Wheat Planting Date Report [PDF]

open access: yes, 2011
The localvore movement has revived otherwise historical crops in Vermont, including small-scale grain production. As the demand for local organic wheat has risen over the last few years, University of Vermont Extension has developing best agronomic ...
Cummings, Erica   +4 more
core   +1 more source

Genetic analysis of safflower domestication. [PDF]

open access: yes, 2014
BackgroundSafflower (Carthamus tinctorius L.) is an oilseed crop in the Compositae (a.k.a. Asteraceae) that is valued for its oils rich in unsaturated fatty acids.
Bowers, John E   +4 more
core   +1 more source

Machine Learning-Based Alfalfa Height Estimation Using Sentinel-2 Multispectral Imagery

open access: yesRemote Sensing
Climate change is threatening the sustainability of crop yields due to an increasing frequency of extreme weather conditions, requiring timely agricultural monitoring. Remote sensing facilitates consistent and continuous monitoring of field crops.
Hazhir Bahrami   +6 more
doaj   +1 more source

Physical quality of an Oxisol under an integrated crop-livestock-forest system in the Brazilian Cerrado

open access: yesRevista Brasileira de Ciência do Solo, 2014
Soil physical quality is an important factor for the sustainability of agricultural systems. Thus, the aim of this study was to evaluate soil physical properties and soil organic carbon in a Typic Acrudox under an integrated crop-livestock-forest system.
Eurico Lucas de Sousa Neto   +4 more
doaj   +1 more source

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