Outdoor cannabis growing · - Page 2

Cannabis and allelopathy

Cannabis and allelopathy

Allelopathy is a naturally occurring phenomenon by which certain biochemical compounds produced by an organism have a direct impact on the growth or development of other organisms. The action of these compounds can be either positive, promoting the development of other organisms (positive allelopathy) or negative, causing a series of harmful effects on some (or all) of the organisms that are nearby (negative allelopathy). The biochemical substances equipped with these properties are known as allelochemicals. As many of you know, these properties have been studied in botany and agriculture for decades for different purposes. Thanks to this feature, certain plants can be used to inhibit the growth of other plant species and the reproduction of insects that could result in a plague, significantly reducing the use of insecticides. This is probably the most common and widespread use among farmers all over the world. Nevertheless, there are other lesser-known but very interesting interactions, like the fact that certain plants promote the production of terpenes in nearby plants... something that could be very appealing for the cannabis grower!

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How to prevent the death of cannabis seeds and seedlings

How to prevent the death of cannabis seeds and seedlings

Causes of death in cannabis plants Every grower, almost without exception, will have occasionally suffered the death of a plant during cultivation, just when it seemed that everything was going along nicely. In this article, we'll focus on the main reasons why seeds may not germinate properly, or why seedlings may end up dead in the first weeks of life. Seeds dying before germination Cannabis seeds can die even before we start to grow them, in which case, when the grower comes to germinate them, they won't open up and sprout at all. The seeds of the cannabis plant, like many other types of seeds, must always be kept in the correct conditions, especially if you want to save the leftover seeds for later use and ensure that they germinate well in the future. The same goes for unopened whole packs of seeds that have been purchased to store for later use. Sometimes, certain varieties are in high demand and there is limited stock, so the more astute growers will make sure they grab a few packs to keep in the vault until they find the time to germinate the cannabis seeds.

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Common errors in the cultivation of automatic plants

Common errors in the cultivation of automatic plants

Spring is getting closer, and with it, the ideal conditions for cannabis cultivation, which is why many growers are already starting to plan their outdoor grow for the season ahead, while others are planning a last indoor crop before the dreaded summer heat arrives. It's no secret that auto-flowering cannabis seeds (also known as automatics) represent a considerable part of the varieties that can currently be found in the market, with sales increasing year upon year, thanks in large part to the excellent work done by breeders and seed banks. Whether you grow outdoors or indoors, in this article we're going to show you a series of tips and tricks towards successful autoflower cultivation, highlighting the typical mistakes that are usually made when growing this type of genetics and proposing alternatives that will make your grow much more efficient, with greater yields and higher quality of the final product.

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Pruning Cannabis Plants

Pruning Cannabis Plants

In this series of posts, we're taking a comprehensive look at a range of techniques used by growers to shape cannabis plants and facilitate cultivation. Pruning and training are essential tools to control the way our plants grow, whether to restrict height, maximize yields or as a management tool for the indoor cultivator trying to control multiple varieties in one grow space. When discussing these techniques, we can essentially split them into two basic types of methods: Destructive pruning methods that affect some kind of damage to the plant, like pinching out, FIM, super-cropping, etc. Non-destructive training techniques designed to minimize damage, such as LST (Low-Stress Training), SCROG, etc.

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Growing cannabis in harsh climate conditions

Growing cannabis in harsh climate conditions

Although cannabis performs well in many latitudes, a rigorous selection of the genetics that we're going to grow is sometimes necessary in some places to harvest our plants successfully, especially outdoors. In this article, we will focus on two classic, adverse climate conditions: cold and humid areas - like Northern Europe - and hot and dry climates, where the different cannabis seeds won't develop in the same way. Cannabis strains for humid and cold climate While high humidity promotes lush and healthy growth, things are different during the flowering stage, when flowers can be infected by mildew and other pathogenic agents due to the effect of cold temperatures and rains. However, it isn't impossible to grow in these regions, and many growers from places like the Netherlands, UK, Germany, Canada, or even Alaska successfully harvest their outdoor cannabis crops every year, mainly thanks to an accurate selection of the genetics grown - always looking for the most resistant strains - and of course the use of greenhouses, greenhouse heaters, etc. Before presenting you with a brief list of this type of genetics, especially suited for outdoor growing in these areas for being particularly resistant to molds, we are going to explain a few desirable traits that might ensure the best possible results.

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Guerrilla growing cannabis

Guerrilla growing cannabis

Growing cannabis outdoors, guerrilla style Guerrilla cultivation is often the only available option for many growers to keep themselves supplied with cannabis throughout the year, especially for those who have no garden for outdoor growing and don't have the possibility of cultivating indoors. The idea is simple, it's a question of finding a suitable piece of land to grow on, in a forest, woods, or scrubland where plants can be left to fend for themselves until harvest time. Naturally, the plants need not be completely abandoned, they can receive some care and maintenance depending on how accessible the grow spot is, and how much the grower wishes to risk being caught red-handed while attending to them. Although the success of the crop will depend largely on luck, with the plants being more or less left to their own devices for most of their life, a series of steps can be taken that, while not guaranteeing a successful harvest, can certainly help the plants to remain healthy throughout the season. In this way, guerrilla growers can harvest cannabis crops of a quality rivalling that of the most pampered outdoor gardens, where it's far easier to provide the plants with all they need.In the following article we will outline the most important elements to consider for achieving a successful guerrilla harvest in the safest and easiest way possible.

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Soil Food Web Gardening

Soil Food Web Gardening

While it may be old news for organic gardeners, with writers like Elaine Ingham championing soil food web gardening since the late nineties and the more recent success of Jeff Lowenfels' highly influential book 'Teaming With Microbes', this approach has recently been catching on with organic cannabis growers who are being won over by the vigorous vegetative growth, increased plant health and more importantly, many claim increased yield and terpene production in their flowers! The term 'Soil Food Web' was coined by Elaine Ingham and refers to the relationships between the many and diverse species of organisms found living in soil. A balanced, well functioning soil food web is vital for healthy plants - most gardeners are familiar with the physical and chemical aspects of soil science - taking care to provide the plants with the correct soil type/texture and with adequate nutrition, but are often unaware of the equally important role played by soil biology in a healthy, vibrant garden - it's all too easy to focus on the activity and growth above ground to the exclusion of everything else, but in doing so we risk ignoring the vital interactions taking place out of sight below the ground in unbelievable numbers.

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BioTabs organic marijuana crop in coco

BioTabs organic marijuana crop in coco

In this post we show you a grow report with BioTabs fertilizers, a range of slow-release organic fertilisers that will help indoor and outdoor growers to get top quality buds easily, both in soil and coco coir.

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Growing marijuana in plant pots

Growing marijuana in plant pots

Growing marijuana in soil is, by far, the most common type of crop throughout the world. In this post, we are interested in how to optimize our soil in a simple and fast way. Which type of soil should we use for growing marijuana plants?

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Off-season marijuana crops outdoors

Off-season marijuana crops outdoors

A single outdoor crop per year? Normally, when growing outdoors we only take advantage of the best period of the year, late Spring and Summer. However, in many areas is it possible to perform several outdoor crops per year, especially during Spring and Autumm. To do this, we only need a small greenhouse to stabilize the temperature of the plants. For this type of crops we can use either autoflowering seeds or cuttings from motherplants; the only disadvantage of using cuttings is that, once we place them outdoors from our indoor growing tent, they practically don't grow and start flowering immediately regardless their size. For this reason, we should grow our cuttings indoors a few weeks before placing them in our outdoor greenhouse. In this way, we can control the final height of our plants keeping in mind that, while our plants will start flowering as soon as we place them outdoors, they will have the typical stretch during the pre-flowering stage just like in any other type of cultivation. Protecting our plants from the cold, frost, wind and other bad weather conditions with a greenhouse is also a good idea, since our plants will have a more abundant flowering.

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Growing autoflowering cannabis

Growing autoflowering cannabis

In this post we will focus on how to grow autoflowering cannabis plants, step by step, in order to achieve good results. Ideal for those growers who use artificial lamps in their growing tents, or for those who make 3-4 outdoor crops during the year.

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When and how to move marijuana plants outdoors

When and how to move marijuana plants outdoors

In this post we show you the best way to move your marijuana plants outdoors avoiding the onset of flowering. Many growers, for one reason or another, grow their plants indoors and bring them to flower outdoors when temperatures allow them to do so, in the summer. By following these tips you can grow top quality marijuana plants.

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How to hide your marijuana crop

How to hide your marijuana crop

How to hide marijuana plants Nowadays, it is getting more and more difficult to grow marijuana outdoors . It's not about pests, diseases or adverse climates... the number one enemy of marijuana growers are thieves.

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Growing marijuana basing on latitude

Growing marijuana basing on latitude

Marijuana is a plant that grows outdoors throughout the entire world - except in the Poles - either wild or under the care of a farmer. For a crop to be successful, we must consider when to grow it and the most suitable marijuana strain to use. This post aims to provide information on growing marijuana based on the latitude in which we are.

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About this Cannabis Blog

This is the official blog of Alchimia Grow Shop. This blog is intended exclusively for the use of adults over the age of 18 years.

To buy equipment for growing cannabis at home you can consult our catalogue of cannabis seeds, grow shop and paraphernalia


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