نتایج جستجو برای: plant protection

تعداد نتایج: 565674  

Journal: :International Journal of Health Sciences (IJHS) 2022

A group of people dwelling within a common territorial boundary having ancestors and mores, believing in morals, distinct other similar groups which existed even before the concept nation states is viewed as Tribe. More often tribes tribal are discussed with an attitude holier than thou approach regulating deforestations, rights, ownership lands what not but question always persist; we honest t...

Journal: :نامه انجمن حشره شناسی ایران 0
پیمان جوادی امامزاده مدیریت حفظ نباتات استان آذربایجان غربی، ارومیه احمد چراغیان سازمان حفظ نباتات ایران، صندوق پستی 4568، تهران

following the appearance of a quarantine pest, tomato leaf miner, tuta absoluta (povolny), in europe, monitoring of this species in iran was started by the cooperation of the plant protection organization of iran and the iranian research institute of plant protection. according to the surveys, the first emergence of this pest was detected in october 2010 in azerbaijan-e-gharbi province.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

Journal: :Hemijska industrija 2006

Journal: :Proceedings of the New Zealand Plant Protection Conference 1997

Journal: :New Zealand Plant Protection 2015

Journal: :Proceedings of the New Zealand Plant Protection Conference 1997

Journal: :Journal of nematology 1991
C E Castro H E McKinney S Lux

Gradients of salts of the specific ion repellents for Meloidogyne incognita -- NH, K, Cl, and NO -- have been demonstrated to shield tomato roots from infestation in soil. The strategy of these greenhouse experiments was to interpose a salt barrier in a soil column between the plant roots and the nematodes. The relative effectiveness of the salts as a barrier to infective second-stage juveniles...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده منابع طبیعی 1392

nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...

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