نتایج جستجو برای: physico chemical properties of soil

تعداد نتایج: 21233244  

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه پلیمر و پتروشیمی ایران - پژوهشکده علوم 1392

هدف اصلی این مطالعه تهیه یک سامانه نوین چسب عاجی دندانی بر پایه نانورس پیوند شده با پلی متاکریلیک اسید، نانورس پیوند شده با پلی اکریلیک اسید، مخلوط نانوسیلیکا و نانورس پیوند شده با پلی متاکریلیک اسید، مخلوط نانوسیلیکا و نانورس پیوند شده با پلی اکریلیک اسید و نانورس پیوند شده با کیتوسان اصلاح شده با گلایسیدیل متاکریلات است. پیوند پلی متاکریلیک اسید و پلی اکریلیک اسید بر ری سطح نانورس در حضور و ...

امیرحسین قانعی, , علیرضا حسین‌پور, ,

Iron oxide-coated strips (Pi) can serve as a sink to continuously remove P from solution. In this way, probably, P extraction is analogous to P absorption by plant root. The objective of this study was to evaluate the iron oxide-coated paper strips to estimate the availability of soil P of corn (Zea mays) grown under greenhouse conditions in some soils of Hamadan Province. Sixteen soil samples ...

Journal: :پژوهش های علوم و فناوری چوب و جنگل 0

this paper attempts to examine the effect of water spreading on soil physico-chemical properties, and vegetative characteristics of common mesquite. for this, on the basis of flood water discharge, three sections of lands were accurately selected at kosar water spreading experimental station, in tangestan, bushehr province. in each section, 6 profiles were digged out and studied; meanwhile soil...

2011
Vinod Kumar

The effect of paper mill effluent on the physico-chemical properties of soils was studied under natural environment in pots experiment. The soil was treated to six rates of effluent viz. 5, 10 25, 50, 75 and 100 ml/Kg soil. The physico-chemical properties of the soil were determined before and at the end of the experiment, 12 weeks after irrigation with the effluent. Results revealed that among...

Journal: Desert 2009
a. Salehpour jam Gh.R Zehtabian m.k Kianian

Abstract Soil, is a reclamable and sustainable source. it is the basis of survival and it’s implication, should be performed on the basis of productivity identification according to scientific and technical rules, we can protect this valuable source, and increase it’s productivity and usage. Nowdays, saline soils cover nearly 14.6% of the country area. Study areas (Kashan’ playa) have saline ...

Journal: :international journal of environmental research 2012
k. pillay s. pillay

in general, estuaries may be classified variously according to inlet dynamics, geomorphology orwhether they are tide or river dominated or, on a combination of all three factors. in kwazulu-natal (kzn),south africa, the four recognised estuary types are temporary opened-closed estuaries (toces), permanently opened estuaries, estuarine lakes and river mouths. since physico-chemical parameters ar...

Journal: :international journal of environmental research 0
k. pillay school of environmental sciences, university of kwazulu-natal,south africa s. pillay school of environmental sciences, university of kwazulu-natal,south africa

in general, estuaries may be classified variously according to inlet dynamics, geomorphology orwhether they are tide or river dominated or, on a combination of all three factors. in kwazulu-natal (kzn),south africa, the four recognised estuary types are temporary opened-closed estuaries (toces), permanently opened estuaries, estuarine lakes and river mouths. since physico-chemical parameters ar...

Journal: :nutrition and food sciences research 0
amir motamedi department of food science and technology, damghan branch, islamic azad university, damghan, iran marzieh vahdani homa baghaei monire alsadat borghei

background and objectives: the food product known as the ‘hamburger’ plays a crucial role in people’s nutrition and the diversity of the food they consume. the reasons for our study include the area under cultivation, the remarkable amount of protein in chickpeas and lentils, as well as the public interest in tending to meat products, especially hamburgers. materials and methods: in this study,...

2009
R VAN ANTWERPEN

In many crop producing areas of the world there are reports of yield decline and loss of productive potential in soils. Little is known about the long term effects of sugarcane monocropping on changes in physical, chemical and biological properties of soils. The aim of this study was to quantify the physical and chemical condition of soils under sugarcane production in northern Kwazulu-Natal, a...

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