Check out everything you need to know about pot fertilizer in this complete guide…

It was inevitable that the fertiliser industry would take off, with a rise in the number of states where people are legally permitted to cultivate marijuana. Your weed will not grow fat buds unless you use the right fertilisers and nutrients. Although you need to be careful not to overdo it and cause the burning of nutrients, your plant will eventually be harmed by a lack of fertiliser.

We look at the best pot fertilizers in this guide and give you a fast guide to making your own.

pot fertilizer

Perlite and Vermiculite

Despite the fact that these materials are often misunderstood, they are distinct entities. They are both inorganic materials that are relatively sterile, but they look and function differently. Perlite is rigid and brittle and is processed to an extremely high temperature by heating volcanic glass. Vermiculite is soft and spongy and created to an unbelievably high temperature by heating mica.

Usually, perlite is white, traps vapour, and has a strongly alkaline pH. Vermiculite is tan or brown, absorbs water and has a pH that is almost neutral. Despite their variations, the two products are often sold together, and the mixture absorbs water up to four times its weight.

Vermiculite and perlite can, most notably, provide calcium, magnesium, and potassium that gets into the soil and nourishes your weed. You can produce a fertiliser that includes 50 percent of perlite and vermiculite if you have a hydroponics setup, with the remainder made up of peat moss and water. You only need 10 percent of the perlite and vermiculite in your fertiliser if you use soil.

Urine from humans

Your urine, as odd as it might sound, is an excellent pot fertilizer for marijuana plants Fresh human urine, one of the main nutrients in weed growth, is high in nitrogen. Your urinary break-down depends on your diet. The Nitrogen, Phosphorus, Potassium (NPK) ratio is 11-1-2 if you adopt a ‘Western’ diet. The ratio of blood meal to blood meal is 12-2-1.

Urine must be diluted to a ratio of at least one part urine to ten parts water because it contains a lot of salt. Don’t actually urinate on the trees! It’s probably going to kill them. Dilute the pee to a ratio of 1:20 in water if you intend to use the wee on potted plants or seedlings.

It should go without saying that if you are safe, you must just use your urine. If you are on medication or have a urinary tract infection, don’t use it. By the way, if you find the notion of using urine repulsive, how do you feel about bat guano or cow poop?

Ashes of Wood

Wood ash provides enough potassium and lime for your plants, yet another unexpected pot fertilizer. Believe it or not, assuming you have burned wood, you can also use the ashes from your fireplace. On your plants, you can gently sprinkle the ashes, or add them to a compost heap. One concern is that, if it gets wet, the ash will contain high concentrations of salt and lye.

It’s also worth noting that, on average, ashes from hardwood trees like maple and oak contain more nutrients than ashes from other trees. By keeping slugs, snails and other soft-bodied invertebrates at bay, wood ash also serves as an important pesticide.

Bat Guano

Guano, a fancy name for bat poo, has long been used as a soil enricher. Other livestock, including chickens and cows, can also use manure. Bat guano is often mixed into the soil or used to produce compost tea. The NPK ratio of bat guano is 10-3-1, which means it is high in nitrogen and suitable for use in the vegetative process of your cannabis. Nutrients are slowly released by chicken manure and can increase yield.

Meal of Fish

Usually, fish meal is made from ground-up pieces of the fish which are inedible. A fine powder that can be applied as pot fertilizer to your soil is the result. Pressed fish oil is used to produce fish emulsion. It prolongs the release of nutrients when combined with a meal. The nitrogen content of fish meal is high. Blood, bone, and soy meals are alternatives.

Castings for Worm

This is what an earthworm creates after it has digested soil or other organic materials. It’s teeming with microorganisms and nutrient-dense. Since applying it directly to cannabis, especially during the flowering stage, could result in your marijuana tasting like worm faeces, it’s commonly used in compost tea.

Composting Around

Organic material will gradually grow back into the soil, bringing with it the nutrients in the original matter, as experienced gardeners know. You could recycle kitchen waste and other organic materials and reap the benefits of extremely fertile soil. As well as improving the growth of your plant, composting decreases your contribution to the landfill and enriches your local soil.

This includes food waste, chicken manure, worm castings, and bone meal, among other items. Once you’ve made your compost heap, turn it with a pitchfork (daily if possible) to ensure that the contents are well mixed. This maximises decomposition and cuts down on the amount of time it takes for the heap to become available. As a rule of thumb, it will take three months for your compost to be ready to use.

Compost tea, which is essentially a liquid version of your compost heap, can also be made. Organic molasses, organic manure, water, a bucket, and a few other materials are what you need. It typically takes approximately three days to produce, and you can use it as soon as you can.

Hydroponics is a method of growing plants in water.

It means you are using a growing medium such as Rockwool or coco coir instead of soil if you have a hydroponics setup. As a result, store-bought nutrients made specifically for hydroponics are needed. As they are supplied by minerals, these nutrients can contain no organic matter and should contain ideal NPK ratios.

During the vegetative stage, marijuana needs a lot of nitrogen, medium phosphorus, and a lot of potassium. You need high phosphorus and potassium, and low nitrogen during the flowering period. Micronutrients like iron, copper, boron, sulphur, manganese, and magnesium must also be present in what you purchase.

Boosting Carbon Dioxide

Photosynthesis is the mechanism by which plants convert oxygen, sunlight, and carbon dioxide (CO2) into energy. You improve the growth of your marijuana plants by can the CO2 in your growing room. The use of white vinegar and baking soda is one of the easiest ways to do this. Set it up so that every two minutes, one drop of vinegar falls into a bowl of baking soda, and marvel at the room’s rise in CO2.

You need to improvise in an outdoor environment, as the scent of vinegar could land you in trouble with the authorities. Placing a large plastic bag over the plant is an efficient CO2 increase technique. Then, once it is 25% full, fill an empty plastic jar with baking soda. Place the open jar underneath the plastic bag-created tent.

Pour into the jar a tablespoon of vinegar until it starts to foam, a sign that CO2 is being produced. Reseal the container, give a quarter of an hour for the plant to breathe and apply more vinegar to what is left of the baking soda. Leave the bag over the plant for at least four hours after stirring with a stick.

You could buy a CO2 cylinder or a generator if you’re rising indoors.

Organic Fertilizer or Synthetic?

If you’re an inexperienced grower, there are tried and tested items like Miracle-Gro that are worth purchasing. However, you will find over time that pre-packaged goods are both costly and inefficient, not to mention detrimental to the environment. There is a danger that you will get addicted until you learn how to make your own organic pot fertilizer!

You not only save money, but you also learn a lot more about plant nutrition and how to know what your plants need and when. This awareness will ultimately lead to higher yields and more potent buds. The key is to find out what nutrients each organic component contributes. Consider the following scenario:

Worm castings, bat guano, human urine, and chicken waste are also healthy sources of nitrogen.

Bone and fish meals, rock dust, and banana peels are all rich in phosphorus.

Potassium: meal for fish, ash for wood, and kelp.

Calcium can be found in clay, gypsum, and limestone.

Magnesium can be present in Epsom salts and dolomite.

When Do I Have to Avoid Fertilizing?

Make sure that you build a feed chart to find out what happens when you feed your plants at set growth stages with unique nutrients. Long before harvest, if the leaves of your marijuana plants are turning yellow or appear burnt, it may be a case of nitrogen burn. Examine your feed chart to see if this is the case.

If your plants are being overfed, do a pH-neutral water flush, but do not do so in the week before the plants are forced to bloom.

Keep an eye out for shortages, but don’t go overboard with fertiliser. Marijuana plants need much less nutrients than you would expect. At any time from two weeks away from harvest, perform a flush, or else your weed will taste fertiliser!

Marijuana Fertilizers: Final Thoughts

There’s no need to worry if you see yellow leaves at the base of your plants as harvest time approaches; this is a natural occurrence. Overfeeding your plants is all too simple and causes nutrient burning, a problem that could permanently kill your plant, at least in an aesthetic sense.

Start with half of the prescribed dose if you are using a store-bought pot fertilizer, unless there are strong signs of nutrient deficiency. The amount of nutrients your marijuana plant requires is determined by the strain. Start small when using organic fertiliser and progressively raise the dosage if and when you need it.

While you can use ready-made pot fertilizer as a beginner, it is best to learn how to make organic fertilisers and educate yourself on the topic. In the long run, it would not only be healthier for the soil and the climate, but it will also help you gain useful insight into the gardening world. The more experience you have, the more likely you are to grow larger plants and to enjoy higher yields.

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