نتایج جستجو برای: chemical fertilizers

تعداد نتایج: 388860  

C.A. Srinivasamurthy G. Sridevi, U. Surendran

The introduction of ecological sanitation (ECOSAN) toilets in villages near Bangalore hascreated opportunities for safer sanitation and recycling of human excreta, as fertilizers, in ruraland peri-urban areas. Field experiments were conducted at the University farm on French beansand Maize as the test crops in succession for 2 consecutive years in the same field. Differenttreatment combinations...

In order to study the effect of planting date and application of chemical and biological fertilizers on yield and yield components of peanut, an experiment was conducted in split plot based on a randomized complete block design with three replications at the Research Station of Bu-Ali Sina University, Hamedan, Iran, in 2012. Three planting dates, including May 22, May 31 and June10, as main plo...

Journal: :journal of agricultural science and technology 2010
s. mohammadi m. kalbasi h. shariatmadari

long-term application of fertilizers containing p, especially organic fertilizers, usually increases the water soluble and available p of soil and at the same time may result in p accumulation in soil. organic fertilizers may also increase movement of p in the soil profile that could result in surface and ground water pollution. an experiment was conducted on field plots that received three app...

Journal: :journal of crop nutrition science 0
ayeh makvandi department of agronomy, khuzestan science and research branch, islamic azad university, ahvaz, iran. mojtaba alavi fazel department of agronomy, ahvaz branch, islamic azad university, ahvaz, iran. shahram lack department of agronomy, ahvaz branch, islamic azad university, ahvaz, iran.

in order to investigate effect of application of nitroxin and nitrogen chemical fertilizer on yield and yield components, split plot experiment on the basis of randomized complete block design with four replications was conducted. four levels of nitrogen fertilizer (n1: 100% chemical fertilizer, n2: 75% chemical fertilizer + 100% biological fertilizer, n3: 50% chemical fertilizer + 100% biologi...

Abbas Maleki, Alireza Pazoki, Fatemeh Jahani

Although herbs have been important and attractive since long time ago, they have gained such popularity due to the adverse side effects of chemical medicines that nowadays their cultivation has become among significant agricultural programs of most developed countries. In order to study the effects of chemical, organic, and biological fertilizers on Medicinal Chamomile yield and its components,...

Journal: :journal of herbal drugs 0
zohreh emami bistgani department of agronomy (physiology of crop plants). ramin agriculture and natural resources university of khozestan, iran seyed ata siadat department of agronomy (physiology of crop plants). ramin agriculture and natural resources university of khozestan, iran abdolmehdi bakhshandeh department of agronomy (physiology of crop plants). ramin agriculture and natural resources university of khozestan, iran abdollah ghasemi pirbaluti department of medicinal and aromatic plants, research center for medicinal plants and ethnoveterinary, shahrekord, iran masoud hashemi stockbridge school of agriculture, university of massachusetts, amherst, ma 01003-9294. u.s.a

background & aim: thymus daenensis is recognized as aromatic herbs,   which used in food, flavoring, pharmaceutical, and perfumery industries. this   study was conducted to investigate the response of t.daenensis to   different fertilizers (chemical and organic) along with chitosan.  experimental:  treatments consisted of different fertilizers including: f1 =c (control without manure and fertil...

Journal: :به زراعی کشاورزی 0
سودابه نورزاد دانشجوی کارشناسی ارشد، گروه گیاهان دارویی، دانشکدة کشاورزی، دانشگاه آزاد اسلامی، کرج، ایران احمد احمدیان استادیار، گروه تولیدات گیاهی، دانشکدة کشاورزی، دانشگاه تربت حیدریه، تربت حیدریه، ایران محمد مقدم استادیار، گروه باغبانی، دانشکدة کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران الهام دانشفر دانشجوی دکتری، گروه باغبانی، دانشکدة کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران

to study the effect of drought stress during using organic and chemical fertilizers on morphological, agronomic traits and the essential oil of coriander, a field experiment was conducted as split plot based on randomized complete block design in three replications at agricultural research station, college of agriculture, university of torbat heydarieh, iran during growing season of 2010-2011. ...

2009
Alex Shigo

Dr. Alex Shigo, noted tree expert, often speaks about an industrywide fallacy that we can "feed" trees, shrubs, turf and other plants. In reality, plants manufacture their own food through photosynthesis. Elements from the air, water and soil are combined and altered in order to provide the starches plants use for energy and growth. Therefore, we cannot feed a plant. What we can do is provide a...

2009
M. Jahan M. Jahani

The effects of chemical and organic fertilizers on saffron (Crocus sativus) were studied in a field experiment using a complete randomized block design with three replications at ferdowsi university of Mashhad. Fertilizers applied were N, P, K, NP, NK, PK, NPK, cow, sheep and chicken manure. The amount of chemical fertilizer applied were 50, 30, 30, 48, 48, 36, 66 kg/ha for N, P, K, NP, NK, PK,...

Journal: :PloS one 2016
Ping Wang Yucui Ma Xihe Wang Hong Jiang Hua Liu Wei Ran Qirong Shen

Little attention has been paid to the accumulation of soil organic matter (SOM) in the fringes of the mid-latitude desert. In this paper, soil samples from a long-term field experiment conducted from 1990 to 2013 at a research station in Urumqi, China by different fertilizer treatments, were used to determine soil properties and soil dissolved organic matter (DOM) by chemical analysis, fluoresc...

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