نتایج جستجو برای: of planting

تعداد نتایج: 21164913  

Journal: :چغندرقند 0
محمدرضا جهاداکبر مربی پژوهشی مرکز تحقیقات کشاورزی اصفهان بابک بابایی مربی پژوهشی مؤسسه تحقیقات چغندرقند- جهانشاه بساطی مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی کرمانشاه زهرا عباسی مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان

water and soil salinity in some regions of isfahan, east azerbaijan, and west azerbaijan provinces and also other parts of the iran are the main hindrance for crop planting. seeds of the tolerant crops to salinity such as cotton and sugar beet may have optimal germination and give acceptable performance if they become far from salt accumulation areas. to evaluate the effects of different planti...

Journal: :به زراعی کشاورزی 0
حسین صادقی دانش آموختۀ دکتری، گروه زراعت، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران. حسین حیدری شریف آباد استاد گروه زراعت، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران. آیدین حمیدی استادیار بخش تحقیقات کنترل و گواهی بذر، مؤسسۀ تحقیقات ثبت و گواهی بذر و نهال، کرج، ایران. قربان نورمحمدی استاد گروه زراعت، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران. حمید مدنی دانشیار گروه زراعت، دانشگاه آزاد اسلامی واحد اراک، اراک، ایران

in order to study the canopy temperature effect on protein and soluble sugar, oil percentage and yield of soybean in different planting dates, an experiment was conducted as factorial based on randomized complete block design with three replications in karaj and moghan areas during 2012-13. the studied treatments were included cultivar (‘williams’ and ‘l17’) and planting date (5th of may, 5th o...

2012
D. S. Karam A. Arifin O. Radziah J. Shamshuddin N. M. Majid A. H. Hazandy I. Zahari A. H. Nor Halizah T. X. Rui

Deforestation leads to the deterioration of soil fertility which occurs rapidly under tropical climates. Forest rehabilitation is one of the approaches to restore soil fertility and increase the productivity of degraded areas. The objective of this study was to evaluate and compare soil biological properties under enrichment planting and secondary forests at Tapah Hill Forest Reserve, Perak aft...

2015
X. Y. Wang Z. Zhang X. B. Zhou P. Liu Y. H. Chen

The use of water resources should be restricted until a suitable irrigation and planting system is developed in the North China Plain. This study was aimed to study the effects of planting pattern and irrigation on the farmland microclimate, and indentify possible ways to improve the yield of winter wheat. The field experiments in a randomized complete block design with four replicates were con...

2007
C. Yuhai L. Mengyu Z. Xunbo D. Baodi Y. Songlie

A study was conducted in the Shandong province in North China to investigate the effects of different planting patterns on water potential characteristics of soil-plant-atmosphere continuum (SPAC) and yield of summer maize. Three planting patterns were applied, i.e. bed planting (BE), furrow planting (FU) and flat planting (FL). The results showed that although soil moisture content in 0–20 cm ...

Journal: :بوم شناسی کشاورزی 0
فرزاد حسین پناهی فرزین پورامیر علیرضا کوچکی مهدی نصیری محلاتی رضا قربانی

the present study was carried out to evaluate radiation absorption and use efficiency (rue) in replacement series intercropping of chickpea and sesame. the experiment included main factor a (planting methods) with two levels a1 (row planting) and a2 (mixed planting) and factor b (replacement planting pattern) consisting of five levels b1 (chickpea monoculture), b2 (75% chickpea+25% sesame), b3 ...

ژورنال: علوم زراعی ایران 2022

Climate change and the global warming phenomenon is one of the main concerns of human societies. In this study, the impact of climate change on rice, as the main crop in Guilan province, Iran and soybean production as the second crop was investigated. To adapt to the negative impact of climate change in future, optimal crop calendars were indentified for different rice and soybean cultivars usi...

2016
Bamphitlhi Tiroesele Thomas E. Hunt Robert J. Wright John E. Foster

Edamame soybeans are a speciality food item for fresh and processed markets and they are harvested at a physiologically immature (R6) stage. Bean leaf beetle, Cerotoma trifurcata, is a sporadic pest of soybean in Nebraska, however, its pest status and abundance has increased in the recent years due to an increase in soybean acreage. This was a field experiment aimed at determining the populatio...

2017
Peng Zhang Ting Wei Tie Cai Shahzad Ali Qingfang Han Xiaolong Ren Zhikuan Jia

Film mulch has gradually been popularized to increase water availability to crops for improving and stabilizing agricultural production in the semiarid areas of Northwest China. To find more sustainable and economic film mulch methods for alleviating drought stress in semiarid region, it is necessary to test optimum planting methods in same cultivation conditions. A field experiment was conduct...

2005

eld to prepare for planting, while the tractor and crew on the right are planting trees. This method provides a weed-free soil immediately after planting for preemergence herbicide applications. W eeds reduce the value of nursery crops. They compete with crops for nutrients, light, and water. Some vine weeds climb nursery crops, requiring excessive labor for hand removal. Most serious are peren...

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