The productivity of agricultural land is an economic concept that is determined by three factors, namely: (1) land management system, (2) results (of production), and (3) the type of soil. The value of agricultural land is highly dependent on the value of land productivity, more productive, then the higher the value of agricultural land. In the management of farmland there ...
Read More »The Level of Development Land Structure
Based on the level of development or stability of the structure of the soil, the soil structure can be divided into several levels, namely: Weak ie if a grain of soil structure can be seen, remains damaged and destroyed when taken from the soil profile to be checked. Being that if the soil structure has a grain structure that is ...
Read More »Concentrations of Salt Solution
If the concentration difference between the salt solution and fish body fluids is high, then the process of penetration of salt into the fish body will be faster. Salting methods can be grouped into three kinds, namely: 1) Dry salting (dry salting ) Dry salting method is salting method using salt crystals mixed with fish. Dry drying is done by ...
Read More »Types of Soil Structure
Based on the results of soil investigation in the field, the soil structure is described by: Types, according to the shape and arrangement ped, consisting of a round, plate, beams and prisms. Class is an indicator of the shape of the structure formed ped-ped constituent, produces 7 types of soil structure. Level that indicates the degree of ...
Read More »Total Organic Matter
Total organic material or Total Organic Matter (TOM) illustrates the total organic matter content of a body of water comprising dissolved organic matter, suspended (particulate) and colloids. TOM analysis principle nearly equal to the principle of COD analysis is based on the fact that almost all of the organic material can be oxidized by using compounds of potassium permanganate or ...
Read More »Alat Ozonizer
Ozonizer merupakan alat pembangkit ozon (O3). Alat ini sering digunakan dalam akuarium laut untuk keperluan sterilisasi. Sterilisasi dan pemurnian air dengan ozon sudah lama digunakan dalam bidang pengelolaan air dan air limbah. Ozon merupakan bentuk reaktif dari oksigen (O₂). Molekul ini mampu menghancurkan sejumlah besar partikel-pertikel limbah cair dan bahan beracun, malalui proses oksidasi. Bahan-bahan beracun akan mampu diubah oleh ...
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