نتایج جستجو برای: weedy and weed free checks arranged in split plot design with four replications main plots

تعداد نتایج: 22705942  

Journal: :Agriculture 2023

Weeds impose serious problems in maize (corn) production, resulting reduced crop yields and lower profits for farmers. The adverse effects of weeds have been attributed to the competition with plants light, water, nutrients, which can result growth yield crop. In this context, effective weed management is important minimize negative impact on production. This be achieved through a combination c...

2014
Gulshan Mahajan Mugalodi S. Ramesha Bhagirath S. Chauhan

The differential weed-competitive abilities of eight rice genotypes and the traits that may confer such attributes were investigated under partial weedy and weed-free conditions in naturally occurring weed flora in dry direct-seeded rice during the rainy seasons of 2011 and 2012 at Ludhiana, Punjab, India. The results showed genotypic differences in competitiveness against weeds. In weed-free p...

Sunflower is one of the most important edible oil that growth of annual crops, it is grown over a widely area and is considered a crop adapted to an every environmental conditions, in order to study growth analysis of sunflower under sowing date and cultivars in dry condition a farm experiment was conducted a split plot arranged in a complete randomized block design with three replications in t...

Sunflower is one of the most important edible oil that growth of annual crops, it is grown over a widely area and is considered a crop adapted to an every environmental conditions, in order to study growth analysis of sunflower under sowing date and cultivars in dry condition a farm experiment was conducted a split plot arranged in a complete randomized block design with three replications in t...

Journal: :بوم شناسی کشاورزی 0
رضا مرادی طالب بیگی هادی پیرسته انوشه محمد جواد احمدی لاهیجانی یحیی امام

wheat residues management and modification in tillage time are among suggested practices in weed control. to evaluate the effects of wheat residues and tillage time on weed dry matter and leaf area, corn dry matter and corn grain yield, a study was conducted at darab agriculture and natural resource college, shiraz university during growing season of 2008-2009. this experiment was conducted in ...

Journal: :International journal of research in agronomy 2021

The present study entitled “Effect of sowing dates and weed management on growth, yield economics lentil (Lens culinaris Medik.)” was carried out during kharif 2020-21 at instructional cum research farm, D.K.S. College Agriculture Research Station, Bhatapara (C.G.). soil the experiment side clay- loam texture. crop grown in treatments were replicated three times split plot design. experimental ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

seismic retrofit strategies have been developed in the past few decades following the introduction of new seismic provisions and the availability of advanced materials and methods. it can be observed that new approaches to deal with more lateral forces are more innovative and more energy absorbent. in line with this, there is a growing trend toward the use of steel shear walls as a system with ...

Journal: :پژوهش های حبوبات ایران 0
رحیم بیات سیدحسین صباغ پور علی حاتمی علی اشرف مهرابی

in order to evaluate the effect of different levels of sowing dates and plant density on grain yield and its components in chickpea var. arman, a field study was conducted at ekbatan research field station of agricultural and natural resources research center of hamedan province under rainfed condition during 2009-2010 cropping season. treatments were arranged as split plot on the basis of rand...

Journal: :international journal of advanced biological and biomedical research 0
mohsen javaheri department of agronomy, qorveh branch, islamic azad university, qorveh, iran

sunflower is one of the most important edible oil that growth of annual crops, it is grown over a widely area and is considered a crop adapted to an every environmental conditions, in order to study growth analysis of sunflower under sowing date and cultivars in dry condition a farm experiment was conducted a split plot arranged in a complete randomized block design with three replications in t...

Journal: :international journal of advanced biological and biomedical research 2014
mohsen khaje-khaki alireza iranbakhsh arash rouzbehani mehdi bagh

use of efficient methods of weed control with as regards environmental sustainability as well as increased crop yield and also weed resistance to herbicides is essential. in order to, an experiment was conducted in 2012 in the damavand jaban in iran. experiment treatments were compared in a split plot design by a randomized completely block design with 3 replication. the used variety of maize w...

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