نتایج جستجو برای: lack of optimal growing degree days gdd

تعداد نتایج: 21209518  

Journal: :Forests 2023

Understanding how natural ecosystems are and will be responding to climate change is one of the primary goals ecological research. Plant phenology accepted as most sensitive bioindicators due its strong interactions with dynamics, a vast number studies from all around world present evidence considering phenological shifts response climatic changes. Land surface (LSP) also valuable tool in absen...

2017
Saurabh Kumar Deepika Pai Runki Saran

Global developmental delay (GDD) is a chronic neurological disturbance which includes defects in one or more developmental domains. The developmental domain can be motor, cognitive, daily activities, speech or language, and social or personal development. The etiology for GDD can be prenatal, perinatal, or postnatal. It can be diagnosed early in childhood as the delay or absence of one or more ...

Journal: :Environmental Research Letters 2023

Abstract In this paper, we developed an open-source package to analyze the overall trend and responses of both carbon use efficiency (CUE) corn yield climate factors for contiguous United States. Our algorithm enables automatic retrieval remote sensing data through Google Earth Engine (GEE) U.S. Department Agriculture (USDA) agricultural production at county level application programming interf...

2009
R. Isaacs

To prevent infestation of highbush blueberries by fruitworms, growers employ pheromone-baited traps to monitor adult moths and apply insecticides to fields at risk from infestation by the larvae of these pests. However, there are increasing restrictions on availability of broad-spectrum insecticides and monitoring traps have not been used to predict optimal timing of controls for these species ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم تربیتی و روانشناسی 1388

چکیده هدف اصلی این پژوهش شناسایی الزامات نظام مدیریت کیفیت فراگیر در حوزه پژوهشی دانشگاه اصفهان بود. سوالهای پژوهش با توجه به مولفه های مدیریت کیفیت (تعهد مدیران، بهبود مستمر فرایندها ، مشتری محوری ، منابع انسانی ، مدیریت اطلاعات ، زیرساختهای کیفیت ، استفاده از نتایج ، انعطاف پذیری، مشارکت در فعالیتهای پژوهشی، ایجاد فرهنگ کیفیت و تناسب ساختارهای سازمانی) که بر اساس مطالعه استانداردهای بین المل...

Journal: :Bangladesh Journal of Botany 2022

A field experiment was conducted to study the effects of different sowing schedules and planting geometry on yield productivity Indian mustard (Brassica juncea L.) var. Giriraj. Among schedules, crop 2nd decade October found produce significantly higher seed biological yield. The early recorded values utilization accumulation various agromet indices like growing degree days (GDD), helio-thermal...

عدالت, محسن, نادری, روح‌اله,

In order to evaluate the effect of sowing date and cultivar on accumulated heat unit, phenology and yield of maize (Zea mays L.), a two-year field study was carried out at the Agricultural Research Station of College of Agriculture, Shiraz University, Shiraz, Iran. Treatments consisted of five maize hybrids (SC704, Hido, BC677, BC666 and NS540) and five planting dates (May 15, June 1, June15, J...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده حقوق 1389

if the precise implementation of the principle of proportion and:balance between the violation and the penalty as well as the other dimensions could be considered as a stick yard for the imptementation of justice any lack of preciseness in carrying out such principle would not indeed be much too far from injustice . naturally ,if it would be imagined that the objective of balance between...

Journal: :Journal of Animal Science and Technology 2023

This study aimed to assess the impact of weather events on sorghum-sudangrass hybrid (<italic>Sorghum bicolor</italic> L.) cultivar production trend in central inland region Korea during monsoon season, using time series analysis. The data collected between 1988 and 2013 were compiled along with year’s data. growing degree days (GDD), accumulated rainfall, sunshine duration used the...

Journal: :کشاورزی (منتشر نمی شود) 0
امید زمانی مربی مرکز تحقیقات کشاورزی نهبندان، سازمان جهاد کشاورزی استان خراسان، خراسان علی دماوندی مربی دانشگاه آزاد اسلامی واحد دامغان، دامغان پیمان فروزش مربی دانشگاه آزاد اسلامی واحد دامغان، دامغان

effects of different planting on phenology, grain yield and its components of two sunflower culitvars were investigated. in 1996, an experiment was conducted in the experimental field of azad islamic university of khorasgan, located in khatonabad village, isfahan. the experiment was arranged in a randomized complete block design with a split plot layaout and four replications. the main plots co...

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