Inilah cara mendapatkan tanah yang subur untuk kolam kodok lembu. Land for bullfrog pond has to fertile. Especially for rearing pond. If not, natural foods will not appear, or appear, but low in density, and it will not for long times. Whereas, natural food is very important for fishes, especially larvas, and fray. Except fertile, land has to strong, and don’t porous.
Based of kind, land divided on four catagories. These are land with gravels, land with sand hard, clay land with 30 percent sand, clay land. Four of them have characteristic them self. Don’t all of them good for ponds, and fertile. You have to choise before building a farm.
Land with gravels is land that has gravels, and big stone. This land isn’t suit for pond, because it very difficult made dike, easy to slide, especiaally when raining. Also this land isn’t fertile, and porous. If compulsory can be made pond, but its dike made by cement. It’s very expensive.
Land with sand hard is land that has small stones, smaller of gravel mixed with land. This land is better than above, it can be made good pond, but obliged land sediment from river. For getting sediment need long times. If it has sediment, this land will fertile, and strong.
Clay land with 30 percent sand is land that has 30 percent sand, and 70 percent clay. This land is better than both of them. It need not land sediment from river, like land with sand hard. The dike don’t made cement, because its condition has strong.
Beside that, this land is fertile, suit for appearing natural foods, and it can for along times. For fixing this land can be done with to hold fast, then it dryed in the sunshine. It will broken in five hours.
Clay sand is land that has land and clay, with comparison three, and two. This land is the best for pond. Beside strong, this land is very fertile. Simple method to fix this land is with to hold fast. This land easy formed, not broken, and don’t stick in hand.
Daftar pustaka :
Based of kind, land divided on four catagories. These are land with gravels, land with sand hard, clay land with 30 percent sand, clay land. Four of them have characteristic them self. Don’t all of them good for ponds, and fertile. You have to choise before building a farm.
Land with gravels is land that has gravels, and big stone. This land isn’t suit for pond, because it very difficult made dike, easy to slide, especiaally when raining. Also this land isn’t fertile, and porous. If compulsory can be made pond, but its dike made by cement. It’s very expensive.
Land with sand hard is land that has small stones, smaller of gravel mixed with land. This land is better than above, it can be made good pond, but obliged land sediment from river. For getting sediment need long times. If it has sediment, this land will fertile, and strong.
Clay land with 30 percent sand is land that has 30 percent sand, and 70 percent clay. This land is better than both of them. It need not land sediment from river, like land with sand hard. The dike don’t made cement, because its condition has strong.
Beside that, this land is fertile, suit for appearing natural foods, and it can for along times. For fixing this land can be done with to hold fast, then it dryed in the sunshine. It will broken in five hours.
Clay sand is land that has land and clay, with comparison three, and two. This land is the best for pond. Beside strong, this land is very fertile. Simple method to fix this land is with to hold fast. This land easy formed, not broken, and don’t stick in hand.
Daftar pustaka :
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