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Finally, we will learn how to make one cannabis plant produce as much as possible every harvest time. How to Estimate Marijuana Yield Base on the Environment. The easiest way to predict the yield of a marijuana plant is to pay close attention to its surroundings.

Hence, this section will present the many methods of estimating the average expected harvest based on the grow situations. An indoor cannabis garden has significantly different variables from an outdoor one. Add to that, the variety of grow mediums to choose from have different rates of absorbing nutrients and oxygen. But mainly, the types of light we use directly influence the speed at which the plants flower. All in all, these factors play huge roles in the final yield. Grow Light and Space – Image powered by Generally, an expert indoor grower can produce 1 gram of buds per watt of an HPS light. So, a 400 watt has the potential to turn out 400 grams or 14 ounces of dried marijuana. For best results, we should utilize certain light wattage for a specific grow area.

To get a clearer picture, the following information shows how much buds we can get in varying specifications. Expected Yield in Imperial Measurements – Image powered by A 3.5 x 1.5 x 6.5-foot grow cabinet and a 200-watt CFL lamp will give 1.5 to 2.0 ounces of weed or 3.5 oz for advanced growers. Using the same grow space but with a 250-watt HPS, expect to get 3.0 to 5.0 ounces or 9.0 oz for advanced growers. On the other hand, a 3.5 x 3.5 x 7-foot space and a 400-watt HPS will provide 4.5 to 9.0 ounces of weed. When the grow room is 4 x 4 x 8 feet with a 600-watt HPS lamp, expect to get 5.0 to 10 ounces of weed. Finally, in a 5 x 5 x 8-feet grow space with 1000-watt HPS, the yield goes up to 9.0 to 18 ounces and 36 for advanced growers. Expected Yield in Metric Measurements – Image powered by A grow cabinet size of 1 x 0.5 x 2 meters with 200-watt CFL lamp will make 40 to 60 grams of weed. However, if we use a 250-watt HPS light, the yield goes up to 80 to 150 grams and 250 for the experts. A bigger grow room such as 1 x 1 x 2.5 meters and 400-watt HPS will provide 100 to 250 grams of weed. The same specifications will get advanced growers 400 grams. Increasing the space to 1.2 x 1.2 x 2.5 meters and light to 600-watt HPS will get us around 150 to 300 grams or 600 for advanced growers. Finally, a grow room that measures 1.5 x 1.5 x 2.5 meters and a 1000-watt HPS lamp will yield 250 to 500 grams of usable weed. Depending on personal preferences and availability of resources, we can select which grow medium works best for us. Since no two mediums are alike, anticipate getting less or more yield. Hydroponics – Image powered by If we want the plants to grow fast and produce denser buds, hydroponics is the way to go. In fact, on average, we can get 20% more weed using this medium than soil. However, disastrous outcomes are more frequent in hydroponics. Since the roots come in direct contact with the nutrient solutions, then a minor mistake can have devastating results. But if we do things properly, then we can get 1.2 grams of weed per watt of light. This means that 600-watt of HPS lamp can give 720 grams or about 25 ounces.

So, make sure to develop the skills of checking and correcting the pH and TDS values when deciding to go with this one. Expect to get lesser yield in soil since it acts as a buffer to the nutrients, making the absorption rate much slower. The maximum yield is 1 gram per watt, which means that 600 watts of HPS lamp will produce 600 grams or 21 ounces of weed. The upside is that there’s a lot of wiggle room in using soil. As such, big mistakes in nutrient feeding and watering are easy to correct. Because of its flexibility, newbie growers usually find more success in this medium. Outdoor Yield – Image powered by Under perfect conditions, an outdoor marijuana plant can make up to 500 grams or 17.5 oz of weed.

As mentioned, ample space is vital for the plants to flourish. This means that each plant must have at least 2 meters or 50 liters of soil in a container. Now that we know how much weed to expect in one plant, let’s learn how to boost the yield. Plan the Basics – Image powered by


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