نتایج جستجو برای: i1 once irrigation in boll opening stage

تعداد نتایج: 17031292  

Journal: :Land 2022

Traditional mulch material (farmyard manure) has long been used in agriculture. However, recent developments have also introduced the scientific community and farmers to advanced chemicals such as potassium polyacrylamide (KPAM), which revolutionised concept of soil water-holding capacity many compared with other materials being used. To compare effect different organic inorganic amendment unde...

Journal: :علوم باغبانی ایران 0
مرتضی پوزش شیرازی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان بوشهر مختار زلفی باوریانی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان بوشهر محمد مدرسی استادیار گروه اصلاح نباتات دانشکدة کشاورزی و منابع طبیعی دانشگاه خلیج فارس بهرام بهزادی کارشناس ارشد بخش تحقیقات اصلاح و تهیة نهال و بذر مرکز تحقیقات کشاورزی و منابع طبیعی استان بوشهر

such aabiotic stresses like water stress are some of the most important threats to the production of agricultural crops. it is almost very rare to find a place with no stress where plants can reach their potential yield. a water stress of 17 percent decrease yield, due to its effect upon fruit setting is notable. therefore, a study was conducted in bushehr agricultural research center (located ...

Journal: :Agronomy 2023

A comprehensive study on both the eco-physiological and productive response of potatoes to dynamic deficit irrigation is lacking. Therefore, aim was study, over two growing seasons potato cultivars—Arinda Timate, effects five regimes (I0–dry control, I1—irrigated I2—supply 100% maximum evapotranspiration—ETm from tuber initiation up 50% growth 0% ETm end growth, I3—supply I4—supply 75% growth) ...

Journal: :Agronomy 2021

The current study was carried out at the experimental farm of Rana Sugars Ltd., Buttar Seviyan, Amritsar, Punjab, India, to identify methods improve yield and quality ratoon sugarcane in potassium-deficient soils. treatments comprised two levels irrigation, resulting plants which either received sufficient water (I1) or were water-stressed (I2), four rates potassium (K) application: 0 (K1), 40 ...

Journal: :بوم شناسی کشاورزی 0
مژگان سنجری میجانی علیرضا سیروس مهر براتعلی فاخری

introduction roselle (hibiscus sabdariffa l.) as a medicinal plant belongs to the malvacea family. their active ingredient increases under water stress. humic acid bacteria derived from humus and other natural resources have hormonal effects and can improve nutrient absorption to enhance performance especially under stress conditions . materials and methods this experiment was conducted in the ...

2014
M. B. Hossain

The experiment was carried out at Agronomy Field laboratory, Department of Agronomy and Agricultural Extension, university of Rajshahi, to study the effect of irrigation and sowing method on yield and yield attributes of mustard. The experiment consists of two factors i) irrigation viz. no irrigation (I0), one irrigation (I1)and two irrigations (I2) ii) sowing method viz. line sowing method (M1...

ژورنال: علوم زراعی ایران 2020
Rezaizad, Abbas, Shirani Rad, Amir Hossein, Zareei Siahbidi, Asadollah,

Breeding and production of drought tolerant cultivars for arid and semi-arid area is very important. The present experiment was carried out to evaluate the effects of drought stress on seed yield and yield components of oilseed rape as well as identification of high yielding and drought stress tolerant genotypes. Eighteen new winter oilseed rape lines and commercial cultivars were evaluated und...

Journal: :Journal of morphology 2003
Peter M Larson Stephen M Reilly

This study provides the first data on muscle activity patterns during active feeding in a larval anuran. Data regarding muscle function during gill irrigation and hyperexpiration are also provided. Electromyographic and kinematic data were recorded from six mandibular and hyoid muscles in unanesthetized, unrestrained larvae of Rana catesbeiana. Only three (hyoangularis, orbitohyoideus, anterior...

2006
Jeremy K. Greene C. Scott Bundy Phillip M. Roberts Roger Leonard

1 This publication was developed to provide a summary of information about common boll-feeding bugs (heteropteran pests), stress proper identification of these pests, and acquaint the reader with the recommended strategies for management of boll-feeding bugs in cotton. The first section of this publication emphasizes the recent importance of boll-feeding bugs in cotton and provides a brief disc...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده روانشناسی و علوم تربیتی 1391

the purpose of this study was the relationship between problem – solvi ability with fdi cognitive style of students.the research method was correlation method. for data analysis pearson test was used. statistical society in this research was all the students of alligoodarz city in 1391-92 year.to sampling of statiscal population was used sampling multi-stage random the size of sample selected 2...

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