QUOTE(amirbashah @ Jul 27 2011, 12:41 PM)
Hi guys,
I havent been here for a long time. I'm currently looking for new ideas for my future agriculture projects since my serai project failed and my gaharu project hasnt generate any income for me yet. I wont be doing it now due to financial constraint. Maybe a few years from now. In my opinion, planting vegetables such as bendi and chilli is a better option because both these veges can be harvested in a few months. What do you guys think?
HI amirbashah, can share why your Serai project failed? I dis plant some Serai a few months ago alone the perimeter of our farm, only as a supplementary corps. It shall be interesting for me to learn from you. Also the Gaharu, I've heard many people talking about it and the Indons even swear by it, cliaming to have medicinal value. I have in my possession a couple of plant-lets and have not decided on what to do with it.
Added on July 27, 2011, 7:04 pm[quote=Michael J.,Jul 27 2011, 01:27 PM]
MrFarmer:
Sorry, I'm unable to view your photos on my network. But I can comment on the other aspects.
Your bathtub-pond is rather small, and shallow at that too. Without a proper filtration and aeration system, I'm afraid your biological load cannot be big. Couple that with the fact your water temperature tends to rise to the point human hands can feel warm, I'd say you're really gonna need a tough fish species. Shading might not solve the problem, as the surrounding soil will draw in the heat, and become like an insulator. But it could reduce the temperature flux.
Normally, the suggested load is about 40kg target weight per cubic meter, but without aeration and filtration, that'd be reduce to maybe about 4kg. Your tub is about 4 cubic meter, so maybe 4-6 fishes that can reach between 600g to 1kg. Air-breathing fish, such as gourami, climbing perch, and catfish are likely candidate. Tilapia are also good candidates, but a little more difficult, as water depth also influences their growth size. However you might be able to get weights of about 600g in your present setup.
As for feed, all the above are omnivores, so earthworms, chicken manure, standard fish pellets, etc would be fine. If you can breed mealworms, they'd be fine additions, and quite low cost too (if you breed them yourself).
From my experience, catfish species are the fastest growers with the least requirement for inputs. I recall some figures when I raised African catfish and basa in my old backyard pond, sloping at 4-6 feet deep, and 15 feet diameter (approx. 24kg harvest load). Do note, this pond also did not have aeration or filtration, and was directly exposed to sunlight. I placed 10 fingerlings of African catfish, and 10 patin fingerlings, both averaging 100g individual weights sometime in January a couple of years back. Fed them nothing more than ornamental fish pellets. By the week before Christmas, my family was harvesting African catfishes weighing in between 1.3 to 1.5kgs each, while the patin were a little smaller, at about 1.2 kgs each. Cost wise, we finished one large package of feed about every 2-3 weeks, or about RM16 per month, so the average price per fish would be about RM8.80, or about RM6.76 per kg liveweight. If I'm right, the current price of patin is about RM12-RM15 per kg, while African catfish is about RM13 per kg. More information can be found on AgriBazaar's facebook page:

I was targeting 30 to 50 fishes on my bath-tub pond

Looks like I need to sort out the high temperature of the water first. Then have to look into the aeration and filtration. Was thinking that with fresh water supply and dropping it from a height, it'll help to increase the dissolved Oxygen Level and ease the biological loading.
This post has been edited by MrFarmer: Jul 27 2011, 07:04 PM