scholarly journals Modeling the role of irrigation in winter wheat yield, crop water productivity, and production in China

2007 ◽  
Vol 26 (1) ◽  
pp. 21-33 ◽  
Author(s):  
Junguo Liu ◽  
David Wiberg ◽  
Alexander J. B. Zehnder ◽  
Hong Yang
Keyword(s):  
Winter Wheat ◽  
Water Productivity ◽  
Wheat Yield ◽  
Crop Water ◽  
Crop Water Productivity ◽  
Winter Wheat Yield

GEPIC – modelling wheat yield and crop water productivity with high resolution on a global scale

2007 ◽  
Vol 94 (2) ◽  
pp. 478-493 ◽  
Author(s):  
Junguo Liu ◽  
Jimmy R. Williams ◽  
Alexander J.B. Zehnder ◽  
Hong Yang
Keyword(s):  
High Resolution ◽  
Water Productivity ◽  
Wheat Yield ◽  
Global Scale ◽  
Crop Water ◽  
Crop Water Productivity

scholarly journals Elements of Integration in Winter Wheat Protection Programs

2012 ◽  
Vol 58 (1) ◽  
pp. 29-36
Author(s):  
Cecylia Jańczak ◽  
Grażyna Filoda ◽  
Robert Matysiak
Keyword(s):  
Winter Wheat ◽  
Plant Protection ◽  
Wheat Yield ◽  
Weather Conditions ◽  
Nitrogen Fertilizers ◽  
Pests And Diseases ◽  
Plant Infection ◽  
Winter Wheat Yield

In Poland winter wheat is grown on the area of 1.600.000 ha. Most of the plant protection treatments are being done without thorough analysis of real threats from pests and diseases. The aim of the research is to develop the optimal program of wheat protection against pests and diseases based on integration of various methods of plant protection. Two programs: conventional and integrated were compared. In integrated program the eventual needs and terms of treatments were estimated on the basis of detailed observations of plant infection, pest appearance, their natural enemies and thorough analysis of weather conditions and forecasts. The role of disease resistant wheat varietes and nitrogen fertilizers was also analysed. The research took into account beneficial entomofauna and its influence on pest numbers as well as influence of chemicals used in agriculture on their species. As the result the selective pesticides, safe to beneficial organisms, were selected. The quantity and quality of winter wheat yield was analysed, including protein and gluten contents. The economic effectiveness of various programs of wheat protection against pests and diseases was assessed. The results of research are important both in practical and scientific sense.

scholarly journals The affectivity using of the winter wheat by detailed methoda of the structure harvest

2019 ◽  
Vol 2019 (2) ◽  
pp. 6-14
Author(s):  
G.F. Оlkhovskyi ◽  
М.А. Bobro ◽  
О.F. Chechui
Keyword(s):  
Winter Wheat ◽  
Key Words ◽  
Wheat Yield ◽  
Wheat Crop ◽  
Yield Structure ◽  
Winter Wheat Yield ◽  
Individual Features ◽  
The Individual ◽  
The Relationship

The most difficult but most informative method of determining the structure of winter wheat yield with the use of large bunches of samples is presented. The role of the stem in the formation of allthe elements of winter wheat yield structure is determined. The advantage of our method is that it allows to get deeper information about the structure of the wheat crop, as it reveals the relationship between the individual elements of the crop structure and shows the amplitude of fluctuations in individual features of thewheat crop structure. Key words: winter wheat, yield structure, stem, weight and number of grains.

scholarly journals AMELIORATIVE ROLE OF THE FOREST BELT IN THE FORMATION OF WINTER WHEAT YIELD IN THE ARID ZONE OF STAVROPOL REGION

2018 ◽  
Vol 7 (30) ◽  
pp. 179-182
Author(s):  
L. V. Trubacheva ◽  
◽  
O. V. Mukhina ◽  
N. S. Chukhlebova ◽  
A. M. Nikiforova ◽  
...  
Keyword(s):  
Winter Wheat ◽  
Arid Zone ◽  
Wheat Yield ◽  
Forest Belt ◽  
Stavropol Region ◽  
Winter Wheat Yield
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