نتایج جستجو برای: 60 kgha n

تعداد نتایج: 1233300  

2017
Xiao Hong Wu Wei Wang Chun Mei Yin Hai Jun Hou Ke Jun Xie Xiao Li Xie

Rice cultivation has been challenged by increasing food demand and water scarcity. We examined the responses of water use, grain yield, and water productivity to various modes of field water managements in Chinese double rice systems. Four treatments were studied in a long-term field experiment (1998-2015): continuous flooding (CF), flooding-midseason drying-flooding (F-D-F), flooding-midseason...

Journal: :علوم باغبانی 0
شاهین شاهسونی مجتبی محمودی شاهرخ قرنجیک صدیقه گران ملک

introduction: citrus are one of the important orchard fruit production that after banana is second in production at the world level and every year, chemical fertilizers having most important role in increasing crops productions, but in long application of fertilizers cause soil destructions and polluting underground water. also soils of dry regions are very poor in organic matter level. nowaday...

ژورنال: تولیدات گیاهی 2020

چکیده به منظور بررسی اثر کودهای زیستی در تلفیق با کودهای شیمیایی وآهن بر عملکرد و صفات مرتبط با کیفیت علوفه ذرت رقم متوسط رس MV500، آزمایش اسپلیت پلات بر پایه طرح بلوک‌های کامل تصادفی در سه تکرار در سال 1391 در مزرعه تحقیقاتی دانشگاه کردستان انجام شد. فاکتور اصلی آزمایش شامل سطوح مختلف کود نیترو...

Journal: :Agronomy 2023

In the context of climate change, sowing date and cultivar choice can influence productivity sorghum, especially where production is constrained by low soil fertility early terminal drought across challenging agro-ecologies north-eastern Nigeria. Planting within an optimal window to fit cultivar’s maturity length critical for maximizing/increasing crop yield following appropriate climate-smart ...

Journal: :علوم گیاهان زراعی ایران 0
حسین صادقی محمد جعفر بحرانی عبدالمجید رونقی محمد حسین رئوفت علی اکبر کامگار حقیقی محمد تقی آساد

a field study was conducted at the college of agriculture, shiraz university, shiraz, iran to evaluate the effect of different crop residue and nitrogen rates on yield and yield components of two dryland wheat (triticum aestivum l.) cultivars. the experiment was conducted as a strip split plot with four replications. vertical plots included two dryland current wheat cultivars (azar2 and nicknej...

Journal: :Geophysical Research Letters 2005

Journal: :The Journal of Chemical Physics 2007

Journal: :به نژادی نهال و بذر 0
منوچهر طاهری مازندرانی m. taheri mazandarani مرکز تحقیقات کشاورزی و منابع طبیعی استان مرکزی، اراک اسماعیل بیضائی e. beyzaie حمیدرضا دری h. r. dorri علی اکبر قنبری a. a. ghanbari پرویز صالحی p. salehi غلامرضا طاهریون g. taheriyoon رضا محمدخانی

white bean (phaseolus vulgaris l.) is an important legume food crop in iran and many other countries. it is grown on 110248 hectares in iran, mostly in fars, lorestan, markazi, zanjan and chahar mahal-va-bakhtiari provinces. due to its high value in human nutrition and exportation, considering that most grown cultivars of iran are the runner type beans, with low marketability values and suscept...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید