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I-beams for spans of 3, 4, 5 and 6 meters: what determines the choice of beam size

The longer the span, the more massive the metal beam should be—such a rule seems obvious, but in real construction it only works partially. Two ceilings of the same length may require completely different profiles.

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In this issue

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Agricultural Machinery · 15 September · 6 min

Cultivator or Walk-Behind Tractor: Fundamental Differences and Technical Distinctions
Crop Production · 11 September · 4 min

New-Generation Soybeans: Varieties That Amaze with Yield and Protein Content
Home Garden · 8 September · 3 min

Individual drainage and water-removal systems for a plot
Vegetable Growing · 7 September · 4 min

Greenhouse Photosynthesis Simulator: Light and CO2 Impact Calculator for Plants
Floriculture · 4 September · 4 min

What Amaryllis Symbolize and When to Give Them as a Gift
Company News · 2 September · 3 min

Additional equipment at the right moment: how Yakush-Agro LLC coped with the sowing season
Agrochemistry · 2 September · 2 min

Chemical analysis of soil and popular research methods
Construction · 2 September · 6 min

Features of applying MAGNAT PRO Ceramic Superior 7 ceramic paint in the interior
Storage and Processing · 30 August · 3 min

A New Era of Agricultural Packaging: How the PPWR Regulation Gives the Green Light to Paper Bags from "Paper Pak"

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More European money for Romania: 7 priorities announced by Victor Negrescu

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Agricultural Machinery

Financial instruments for updating the agricultural technology fleet: choosing an optimal strategy

29 August· 6 min

Catalog · Hits of the month

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Grainuron, WG, herbicide IFAGRI LTD

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Main catalog and reference sections

agronom.info — agronomy portal: variety and agro-goods catalog, shop prices, articles and news

I-beams for spans of 3, 4, 5 and 6 meters: what determines the choice of beam size

In this issue

Cultivator or Walk-Behind Tractor: Fundamental Differences and Technical Distinctions

New-Generation Soybeans: Varieties That Amaze with Yield and Protein Content

Individual drainage and water-removal systems for a plot

Greenhouse Photosynthesis Simulator: Light and CO2 Impact Calculator for Plants

What Amaryllis Symbolize and When to Give Them as a Gift

Additional equipment at the right moment: how Yakush-Agro LLC coped with the sowing season

Chemical analysis of soil and popular research methods

Features of applying MAGNAT PRO Ceramic Superior 7 ceramic paint in the interior

A New Era of Agricultural Packaging: How the PPWR Regulation Gives the Green Light to Paper Bags from "Paper Pak"

More European money for Romania: 7 priorities announced by Victor Negrescu

ICIS Top 100 Chemical Companies Ranking Unveiled with BASF Back on Top

UK steps up support for global efforts to prepare for El Niño following devastating extreme weather

In Kansas, Abengoa biorefinery built to process 325,000 tons of crop residue faces collapse

Watermelon Market 2026. The Best High-Profit Watermelon Varieties.

Garden Treatment Schedule for Spring and the Growing Season: A Step-by-Step Algorithm

Financial instruments for updating the agricultural technology fleet: choosing an optimal strategy