How to determine water schedule for marijuana
Watering plays a vital role in the proper growth of cannabis plants. It is important to be aware that the watering schedule is different in every stage – marijuana seeds need different amount of water than a plant in vegetation or flowering stages. Water is essential for any plant as it is the source of hydrogen which is necessary for photosynthesis, besides, water is also the distributor of nutrients in the plant. Below you will find few tips and guidelines that will help you determine the watering schedule for your plant from the weed seeds to the flowering stage, plus some information on overwatering.
When you buy cannabis seeds and plant them, water the soil considerably and then wait for some days before watering again. Be careful when you are watering seedlings, as too much water at once may damage the plants. It’s also good to remember that smaller plants need less water as they don’t transpire so much and their root system isn’t so developed. Moreover, cannabis plants like to be watered regularly so it’s good to setup a routine, but daily watering is unadvisable. But growers should not allow their soil to be dry or constantly wet as it will slow the growth rate. Setting up an automatic watering system may not be a good idea especially when you are growing different types of pot seeds, simply because they grow at a different pace, so they need different amount of water. Other factors that affect watering schedule are sizes of pots and light intensity. During vegetative stage you should water the plant whenever the soil is dry (5-6 cm deep), and there are two techniques to establish that, which will be described in the next paragraph. To determine appropriate water dosage during flowering you should water the plant and observe it until it starts to wilt. You should then water the plant a day before the symptoms occur, for example if you noticed that your plant is suffering from water deficiency five days after watering then you should water it every fourth day.
Coming back to the moisture of soil; there are two methods of checking if your soil is dry: lifting and weighing or using moisture meter. In the latter method you put a moisture meter’s probe into the soil which will give you information about the moisture on the different levels of the soil. The only problem is that the meter costs around $20 and if you don’t use a few of them for one pot the results may be wrong. However, this method is advised for newbie growers of marijuana seeds. More advanced growers use the lifting and weighing technique. The idea behind it is to lift your pot just after watering and remember its weight, later on when you feel that the plant needs more water just lift the pot and if you think its considerable lighter it is the right time to water. While this method seems to be crude, common sense in combination with visual and tactile sensations is often better than a meter which might be inaccurate.
Apart from the frequency and the water doses , the quality of the water you are using is also of much importance. The water should have a neutral pH level and low levels of chlorine. Moreover, it should have room temperature as plants are sensitive to extreme temperatures. If your water has high concentration of chlorine, you should add some calcium to balance the acidity of the water. A good move is to leave the tap water in an open container for a couple of days. This will reduce the chemical levels in the water. Alternatively, you can use distilled or boiled water, however such water lacks some healthy minerals. The best solution is to use rain water as it has beneficial minerals and nitrogen, so it can be your source of water if the quality of your tap water is terrible.
Lastly, I’d like to warn you about the dangers of overwatering. Some people claim that more water means faster growth, but it is not true. We should be carefully with watering as it may kill your plant and force you to buy marijuana seeds for a new grow. Overwatering often happens because growers see that the leaves of their plants are droopy and look withered. They assume that the plant needs water but in reality it is lacking air and more water will only damage them. If by any chance you overwatered your cannabis seeds or plants, the best solution is to refrain from watering until your marijuana absorbs the excess of water.
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