نتایج جستجو برای: 200 kgha

تعداد نتایج: 139022  

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
محفوظی محفوظی

to investigate the effect of supplemental irrigation and nitrogen fertilizer on kernel weight, test weight and wheat grain yield under dryland conditions, a two-year field experiment was conducted in the research farm of college of agriculture, shiraz university during 2004-2005. five irrigation regime including dryland conditions, irrigation at stem elongation, booting, flowering and grain fil...

2007

The performance of the Paci¢c white shrimp Litopenaeus vannamei (Boone) under various stocking strategies was evaluated in earthen ponds ¢lled with freshwater amended with major ions. Six 0.1-ha earthen ponds located in Pine Blu¡, AR, USA, were ¢lled with freshwater in 2003 and 2004, and potassium magnesium sulphate added to provide 50mgK L 1 and stock salt added to provide 0.5 g L 1 salinity. ...

Journal: :تحقیقات آب و خاک ایران 0
یاسر اسماعیلیان مصطفی حیدری احمد قنبری

to study the effects of zabol wastewater treated with two kinds of fertilizer (manure and chemical fertilizer) application vs use of ordinary water on grain yield and yield components in corn (kosc704) a field experiment was conducted at the university of zabol, iran during 2007 growing season. the statistical plan selected was a split plot one of three replications. the treatments were compris...

Journal: :Journal of Environmental Management 2021

The challenges of soil degradation and climate change have led to the emergence Conservation Agriculture (CA) as a sustainable alternative tillage-based agriculture systems. Despite recognition positive impacts on health, CA adoption in Africa has remained low. Previous health studies mainly focused ‘scientific’ measurements, without consideration local knowledge, which influences how farmers i...

The use of organic and biological fertilizers is important for achieving sustainable agriculture, reducing the application of chemical fertilizers and the production of healthy crops. A greenhouse experiment was carried out to study the effects of vermicompost, Nitragin, and nitrogen on some growth parameters of strawberry (Fragariaananassa Duch. cv. Aromas). Treatments were arranged in a facto...

احمد یوسفی ایرج لک‌زاده حسن رستمی حسین اکبری‌مقدم حسینعلی فلاحی شیرعلی کوهکن, عباس جهان‌بین علی براتی غلامعلی کیخا مهدی لک‌زایی

Line WB73-6 (Trompillo, CMB74A-432-25B-1Y-IB-1Y-OB) was first introduced in Iran through a nursery received from CIMMYT in 1989. It was selected in a preliminary experiment in Zabol research station among the genotypes of IBON in 1990. In other preliminary and advanced yield trails carried out in Zabol and other stations in southern provinces of Iran with warm climate in 1991-1997, line WB73-6 ...

Journal: :Agronomy 2022

Teosinte (Euchlaena mexicana L.) is a popular herbage crop in Nepal. Although farmers produce teosinte seeds, management for maximizing seed yield unknown. A study was undertaken to investigate order explore the production potential of yield. There were four different sowing dates (30 March, 30 April, May and June), rates (20, 40, 60 80 kgha?1) three cuttings (nil, once at 45 days after (DAS), ...

Journal: :EntomoBrasilis 2021

Field assessment of integrated management BT cotton pests was carried out in two consecutive seasons; 2016/2017 and 2017/2018 the experimental research farm Kassala University, Sudan. Four insecticides (imidacloprid, abamectin, profenofos, lufenuron) from different chemical groups with a mode action three levels (43.81 kgha-1, 87.62 131.43 kgha-1) soil-applied nitrogen were tested IPM package. ...

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