In order to study the effects different concentration of humic acid and acetic acid foliar
application on yield and leaves nutrient content of grape (Vitis vinifera), a field experimental …

The objective of this study was to find the influence of different humic acid concentration and
foliar application times on aboveground biomass and essential oil production of hyssop …

Background & objective: Groundwater is one of the exploitation important resources in arid
and semi-arid areas. Therefore, the spatial and temporal distribution of groundwater quality …

Soil erosion and its consequences are the major obstacles for development of country.
Understanding the erosion dynamics and recognizing sensitive times and places to erosion …

IntroductionDue to the interaction of effective factors in soil formation, changes in soil
properties from one place to another and even for one type of soil will be obvious. Iran is one …

Information about the spatial patterns of soil biodiversity and understanding the effects of
biodiversity on ecosystem processes are limited. This study was conducted to determine …

This research was aimed to investigate the effects of land use change on some soil physical
properties. Six sites with similar ecological conditions including ungrazed site (UG), heavily …

3-Results The average silt particles in the soil were measured about 60% in the Arab-Qareh-
Haji watershed, which plays an important role in the soil erodibility. In this watershed, the …

زمینه و هدف: آب زیرزمینی یکی از منابع مهم بهره‌برداری در مناطق خشک و نیمه خشک ایران است. لذا
پراکنش مکانی و زمانی کیفیت آب‌های زیرزمینی حائز اهمیت است. هدف از این پژوهش، ارزیابی دقت …‎