Advantage of grow bags over plastic sacks
- Plastic sacks can be used for terrace gardens but the use of specially designed plastic grow bags (ROCHFERN grow bags) has its advantage.
- An ideal grow bag for vegetables should have white outside and black inside. White outside will reflect sunlight and dark inside will prevent light into the rooting zone and create a subsurface condition that is ideal for root development.
- All vegetable plants have a thin roots system that will like to have a darker atmosphere, as exposure sunlight or heating of media will affect the health of the root system and thereby the growth of the plant.
- Grow bags come with perforation for drainage and it has elegant look compare to old plastic sacks.
- Grow bags of 150 microns and above thickness made out of virgin material can be reused for up to three years.
Vegetable cultivation in grow bags
- Fill grow bags with a potting mixture which is prepared by mixing soil, sand, and cow dung/ compost in the ratio 2:1:1 incorporated. It can be filled up to 75% to 90% of the volume of the grow bag.
- The ratio of the potting mixture can be changed, above is the most commonly recommend mix ratio.
- The bags are to be arranged in a line on the terrace ensuring wall underneath the grow bags are to be placed on bricks placed in triangular format or grow bag trays specially designed for this.
- Sunlight loving bushy crops are preferred to shade-loving and trailing crops
- Sowing or transplanting up to two plants per grow bag is advantageous but you can have more plants in the case of green leaf vegetables.
Watering of plants in grow bags
It is to be done once or twice in a day depending on climate. You can use a rose can or pipe connected to the domestic water tank line can be used but the installation of a drip irrigation system is preferred due to the following reasons. If you use rose cans to pour water to grow bag there is a chance for splash erosion of media from the bag. Daily watering of grow bags is a time-consuming process if you manage more than ten bags, it makes grow bag farming a difficult task.
Advantage of drip irrigation
It saves time, you just turn on the tape, do your household work or do your hobby after fixed time you can turn off or you can automate with an electronic timer switch which makes your terrace garden much smarter.
Top dress with organic manure at a weekly interval. Daily observation and mechanical methods are to be followed for pest control. Organic pesticides are to be preferred if situation demand use chemical pesticide following the principals of good agriculture practice (GAP). You have to spend at least one hour per week closely with plants tending them it will guarantee proper yield. After each crop, it is better to change the position of bricks and bags a little so that easy cleaning of the terrace is possible and permanent wetting of any portion of the terrace is avoided.
Good vegetables for grow bags
Chilli, Aubergine(Brinjal), Tomato, Bell pepper, Bush pepper, Ginger, Turmeric, Cabbage Cauliflower, Coriander, Mint, Potato, Onion.
The ideal size of the terrace garden depends on your attitude towards farming and the size of the available space. Experience shows managing ten bags will help to produce a good quantity of vegetables for a four-member family. If you set a garden of 25 bags you can get enough vegetables for family around the year. If you could manage up to 50 bags in your home you are all most self-sufficient ( Aatmanirbar ) in the case of vegetables. We hope with article will help you set up a successful grow bag farming on terrace garden.