نتایج جستجو برای: population growth indices

تعداد نتایج: 1529931  

Journal: :Journal of nematology 1989
G D Griffin K H Asay

Meloidogyne chitwoodi populations from Tulelake, California; Ft. Hall, Idaho; Beryl, Utah; and Prosser, Washington, significantly (P < 0.05) reduced dry shoot weights of crested wheatgrass (Agropyron cristatum L., Gaertn. and A. desertorum, Fisch. ex Link, Schult.) cultivars Hycrest, Fairway, and Nordan in experiments conducted in a greenhouse and growth chamber. Shoot growth depression, root g...

Journal: :SLAS DISCOVERY: Advancing the Science of Drug Discovery 2017

2017
John R Flowerdew Tatsuya Amano William J Sutherland

"Bottom-up" influences, that is, masting, plus population density and climate, commonly influence woodland rodent demography. However, "top-down" influences (predation) also intervene. Here, we assess the impacts of masting, climate, and density on rodent populations placed in the context of what is known about "top-down" influences. To explain between-year variations in bank vole Myodes glareo...

Journal: :بوم شناسی کشاورزی 0
رئوف سید شریفی کاظم خاوازی

in order to investigate the effects of seed inoculation with plant growth promoting rhizobacteria (pgpr) on germination components and seedling growth of corn (zea mays l.), a factorial experiment based on randomized complete block design with three replications was conducted at the seed technology laboratory of mohaghegh ardabili university, iran, during 2008. studied factors were: corn cultiv...

Journal: :Asia Pacific journal of clinical nutrition 2012
Min Kyaw Htet Drupadi Dillon Arwin Akib Budi Utomo Umi Fahmida David I Thurnham

OBJECTIVE Anaemia is one of major nutritional problems in Myanmar affecting all age groups. However, there is lack of recent information and a study was conducted to acquire information on the current status of anaemia among adolescent schoolgirls in Nyaung Done township, Ayeyarwady division where an intervention study was planned. SUBJECTS AND METHODS A cross-sectional survey was conducted o...

Abstract Today, population growth is one of the most important issues facing the countries because it affects the patterns of sustainable economic growth. Population growth is a key element of semi-endogenous economic growth models. Semi-endogenous growth states that economic growth is correlated with the growth rate of effort in research and development. The common features of these models ...

Journal: :Egyptian Journal of Chest Diseases and Tuberculosis 2016

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