نتایج جستجو برای: chemical fertilizers

تعداد نتایج: 388860  

2015
Channa Jayasumana Saranga Fonseka Ashvin Fernando Kumudika Jayalath Mala Amarasinghe Sisira Siribaddana Sarath Gunatilake Priyani Paranagama

Chronic Kidney Disease of unknown etiology (CKDu) has escalated into an epidemic in North Central Province (NCP) and adjacent farming areas in the dry zone of Sri Lanka. Studies have shown that this special type of CKD is a toxic nephropathy and arsenic may play a causative role along with a number of other heavy metals. We investigated the hypothesis that chemical fertilizers and pesticide cou...

Journal: :بوم شناسی کشاورزی 0
علی اصغر محمد آبادی پرویز رضوانی مقدم جبار فلاحی زینت برومند رضازاده

in order to study the effect of different organic fertilizers on quantitative and qualitative characteristics of fenugreek forage, an experiment was conducted based on completely randomized block design with six treatments and three replications at agricultural research station, college of agriculture, ferdowsi university of mashhad, iran, during 2006. the experimental treatments were four orga...

2013
I. L. Hamma

There is need for proper understanding of plant nutrients status in the soil and their requirements by various crops under different farming system. Farmers must be encouraged to make compost from residues, house refuse and other decomposable wastes available with them. If crop residues have been incorporated into the soil, care must be taken that it must be incorporated well in advance (about ...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2012
amin nickhah hassanali naghdi badi mohammad hasan shirzadi ali mehrafarin niloufar taherian

background & aim: in sustainable agriculture, organic fertilizers are considered as important alternatives for chemical ones and are of great importance in organic producing of medicinal plants. this study was conducted to study the effects of organic fertilizers on cassia angustifolia vahl in dry and subtropical climate.  experimental: this study was carried out in jiroft region, kerman (i...

Journal: Journal of Herbal Drugs 2012
Ali Mehrafarin Amin Nickhah, Hassanali Naghdi Badi Mohammad Hasan Shirzadi Niloufar Taherian

Background & aim: In sustainable agriculture, organic fertilizers are considered as important alternatives for chemical ones and are of great importance in organic producing of medicinal plants. This study was conducted to study the effects of organic fertilizers on Cassia angustifolia Vahl in dry and subtropical climate.  Experimental: This study was carried out in Jiroft region, Ker...

Journal: Journal of Herbal Drugs 2012
Ali Mehrafarin Amin Nickhah, Hassanali Naghdi Badi Mohammad Hasan Shirzadi Niloufar Taherian

Background & aim: In sustainable agriculture, organic fertilizers are considered as important alternatives for chemical ones and are of great importance in organic producing of medicinal plants. This study was conducted to study the effects of organic fertilizers on Cassia angustifolia Vahl in dry and subtropical climate.  Experimental: This study was carried out in Jiroft region, Ker...

ژورنال: علوم آب و خاک 2013
زهرا احمد آبادی, , سپیده رحیمی آلاشتی, , محمد علی بهمنیار , ,

In order to investigate the effects of municipal solid waste enriched with mineral fertilizers on some soil physical properties and lead (Pb) and chromium (Cr) concentration in plant organs of spinach, a field experiment was carried out in a factorial arrangement based on the randomized complete block design with three replications in 2008. The main plot included four levels of fertilizer, cont...

Journal: :Journal of environmental sciences 2007
Shu-Cai Zeng Bei-Guang Chen Cheng-Ai Jiang Qi-Tang Wu

Growing fruit trees on the slopes of rolling hills in South China was causing serious environmental problems because of heavy application of chemical fertilizers and soil erosion. Suitable sources of fertilizers and proper rates of applications were of key importance to both crop yields and environmental protection. In this article, the impact of four fertilizers, i.e., inorganic compound ferti...

ژورنال: علوم آب و خاک 2020

In order to increase the available Phosphorous (P), chemical fertilizers are applied; however, P chemical fertilizers are transformed into low available forms over time. Organic amendments could be effective in improving the efficiency of P fertilizers. The aim of this study was to investigate the effect of P fertilizers and vermicopost on the availability and fractions of P and maize (Zea Mays...

Journal: :Journal of Fertilizers & Pesticides 2016

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