نتایج جستجو برای: rainfed conditions

تعداد نتایج: 849776  

Journal: :International Journal of Current Microbiology and Applied Sciences 2020

2017
Muhammad A. Aslam Mukhtar Ahmed Claudio O. Stöckle Stewart S. Higgins Fayyaz ul Hassan Rifat Hayat

Wheat (Triticum aestivum) production in the rainfed area of Pothwar Pakistan is extremely vulnerable to high temperature. The expected increase in temperature due to global warming should result in shorter crop life cycles, and thus lower biomass and grain yield. Two major factors control wheat phenological development: temperature and photoperiod. To evaluate wheat development in response to t...

Journal: :International Journal of Current Microbiology and Applied Sciences 2020

2000
A. Soltani N. Latifi M. Nasiri

We evaluated the ability of the WGEN model to generate long term weather series in situations where the actual historic weather data record is only 3–10 years long. The series generated were used to simulate yield of irrigated and rainfed chickpea. To do this, four 100-year samples of weather data were generated for Tabriz, Iran. The WGEN parameters used to generate data were obtained from dail...

2015
Surya Kant David Burch Pieter Badenhorst Rajasekaran Palanisamy John Mason German Spangenberg

Delay of leaf senescence through genetic modification can potentially improve crop yield, through maintenance of photosynthetically active leaves for a longer period. Plant growth hormones such as cytokinin regulate and delay leaf senescence. Here, the structural gene (IPT) encoding the cytokinin biosynthetic enzyme isopentenyltransferase was fused to a functionally active fragment of the AtMYB...

2018
Aansa Rukya Saleem Cecilia Brunetti Azeem Khalid Gianni Della Rocca Aida Raio Giovanni Emiliani Anna De Carlo Tariq Mahmood Mauro Centritto

Drought is one of the major constraints limiting agricultural production worldwide and is expected to increase in the future. Limited water availability causes significant effects to plant growth and physiology. Plants have evolved different traits to mitigate the stress imposed by drought. The presence of plant growth-promoting rhizobacteria (PGPR) could play an important role in improving pla...

2008
G. Sepulcre-Cantó

This work provides a description of the research conducted to assess methods for the discrimination between irrigated and rainfed open-tree canopies using advanced spaceborne thermal emission and reflection radiometer (ASTER) satellite imagery and discrete anisotropic radiative transfer (DART) radiative transfer 3D simulation model. Summer and winter ASTER images were acquired over a study area...

Journal: :Remote Sensing 2016
Ning Jin Bo Tao Wei Ren Meichen Feng Rui Sun Liang He Wei Zhuang Qiang Yu

Irrigation is crucial to agriculture in arid and semi-arid areas and significantly contributes to crop development, food diversity and the sustainability of agro-ecosystems. For a specific crop, the separation of its irrigated and rainfed areas is difficult, because their phenology is similar and therefore less distinguishable, especially when there are phenology shifts due to various factors, ...

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