Backgrounds and objectives: Biochar as a soil amendment improves soil physical and
chemical properties, increase nutrient availability, decrease greenhouse gases, reduce …

Introduction Among essential plant microelements, iron (Fe) exert the highest restriction of
crop production in Fars Province. Trace elements in the soil is composed of forms into 5 …

Materials and Methods: The green synthesis of iron nano carbon dot sample was done
using lemon juice (as the carbon base of fertilizer) and Ferrous sulfate heptahydrate by …

AbstractBackground and Objectives: Biochar is a carbon-rich product which is produced
using pyrolysis of carbon-containing organic residues under anaerobic or oxygen-limited …

The purpose of this research was the determination the critical level of copper for corn in 21
soils of East Azerbaijan province. In a greenhouse experiment, corn plant (Zea mays L.) …

This research was conducted to study the effects of nitrogen application rates, and plant
densities on, nitrogen agronomic efficiency, nitrogen use efficiency and nitrogen recovery …

ﺮﻔﺻ 70 140 280 ﻦﯿﮕﻧﺎﯿﻣ ﺮﻔﺻ abc 18/12 a 71/18 ab 65/10 a 94/11 A 37/13 5 ab 88/13 ab 57/2 1
a 80/12 ab 54/9 A 20/12 10 a 06/18 abc 32/11 ab 64/9 ab 12/9 A 04/12 20 abc 76/9 bc 34/6 …

ﺮﻔﺻ 70 140 280 ﻦﯿﮕﻧﺎﯿﻣ ﺮﻔﺻ abc 18/12 a 71/18 ab 65/10 a 94/11 A 37/13 5 ab 88/13 ab 57/2 1
a 80/12 ab 54/9 A 20/12 10 a 06/18 abc 32/11 ab 64/9 ab 12/9 A 04/12 20 abc 76/9 bc 34/6 …

اطلاع از سطح بحرانی مس در خاک و پاسخ‌های گیاه ذرت به مصرف آن می‌تواند کمک مؤثری در توصیه
بهینه کود مس باشد. هدف این پژوهش تعیین سطح بحرانی مس برای گیاه ذرت در 21 نمونه خاک سطحی …‎

به منظور بررسي اثر محلول پاشي نيتروژن، روي و منگنز بر عملکرد و اجزاي عملکرد نخود، دو
آزمايش به صورت کاشت پائيزه و بهاره در مزرعه تحقيقاتي دانشگاه شهرکرد در سال زراعي 89-1388 …‎