effects of municipal compost on the soil chemical properties , quality and quantity of sugar beet

نویسندگان

علیرضا مرجوّی

هیأت علمی مرکز تحقیقات کشاورزی اصفهان جهاداکبر محمدرضا

هیأت علمی مرکز تحقیقات کشاورزی اصفهان

چکیده

they are few reports on the effect of municiple compost  on the soil properties, quality  and quantity of sugarbeet. the aim of this study was to obtain information about municipile compost on the soil properties , quality & quantity of of sugarbeet. a field study was conducted at baraan rsearch station with sugarbeet-wheat rotation in permanent plots. the experimental design was factorial combination with 0, 25 & 50 ton/ha municiple compost and 0, 60 & 120 kg/ha nitrogen at four replication. compost chemical analysis showed that the lead level was higher than the permissible level. the effect of municiple compost was significant on p, k, fe, zn, cu & pb in soil. at the second years the effect of nitrogen wasn’t significant on root and sugar yield, because of high n-no3 in irrigation water. application of municiple compost is not recommended befor planting of sugarbeet ,because of increase soil nitrate content decrease of sugar yield.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

effect of municipal compost and sewage sludge on soil chemical characteristics, quality and quantity of sugar beet in rudasht - esfahan

the study was conducted during 2002- 2007 in the first and last stage of a four-year rotation (sugar beet, forage maize, onion, wheat and sugar beet) at research station of irrigation and drainage rudasht. in each year, four treatments of organic fertilizers (25 and 50 t/ha urban compost and 15 and 30 t/ha sewage sludge) with a control (no organic fertilizer) were studied in a randomized comple...

متن کامل

the effects of planning on accuracy and complexity of iranian efl students’ written narrative task performance

this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...

15 صفحه اول

on the relationship between using discourse markers and the quality of expository and argumentative academic writing of iranian english majors

the aim of the present study was to investigate the frequency and the type of discourse markers used in the argumentative and expository writings of iranian efl learners and the differences between these text features in the two essay genres. the study also aimed at examining the influence of the use of discourse markers on the participants’ writing quality. to this end the discourse markers us...

15 صفحه اول

the effects of time planning and task complexity on accuracy of narrative task performance

هدف اصلی این تحقیق بررسی تاثیر برنامه ریزی زمانی، هم چنین افزایش میزان پیچیدگی تکالیف در نظر گرفته شده بصورت همزمان، بر دقت و صحت و پیچیدگی عملکرد نوشتاری زبان آموزان می باشد. بدین منظور، 50 نفر از دانش آموزان دختر در رده ی سنی 16 الی 18 سال به عنوان شرکت کنندگان در این زمینه ی تحقیق در نظر گرفته شدند و به دو گروه آزمایشی و کنترل بصورت اتفاقی تقسیم شدند. اعضای گروه آزمایشی هر دو تکلیف ساده و پی...

the effects of previewing and providing background knowledge on iranian university efl learners’ comprehension of literary and academic texts

abstract poor reading comprehension can result in failure in using references, benefiting from professional gatherings and resources, keeping up with the growing body of knowledge in the virtual world of the internet, and failing to achieve in efl programs. the purpose of the present quasi-experimental study was to explore the effects of background knowledge and previewing narrative and expos...

15 صفحه اول

میزبانی شده توسط پلتفرم ابری doprax.com

copyright © 2015-2023