Transport of agricultural produce have been done a long time ago using simple tools by human power or assistance animals / livestock. Transportation equipment has now been developed in line with the needs of the community in an effort to meet their needs, despite tradisionalpun equipment is still in use. Transportation of goods in a relatively large amount must consider ...
Read More »Kentang (Solanum tuberosum L.)
1). Sifat fisis-morfologis Kentang (Solanum tuberosum L) berasal dari Amerika selatan. Umbi kentang merupakan ujung-ujung stolon yang membesar ( umbi kentang merupakan umbi batang yang terbentuk dari pembesaran ujung stolon). Bentuk umbi, mata tunas, warna kulit dan warna daging bervariasi menurut varietas kentang. Umbi kentang berbentuk bulat, lonjong dan meruncing. Warnanya ada beberapa macam, ada yang putih, kuning, ungu, merah ...
Read More »The Concentration of O2 and CO2 Storage
Oxygen in the air can not be completely removed from the atmosphere, due to the presence of oxygen is necessary to keep the course of normal metabolism. Below 1-3% oxygen, many commodities were damaged. Similarly, the concentration of CO2, the tolerance limit commodity to these gases vary. Some commodities are not resistant to high CO2 concentrations. Some commodities hold at ...
Read More »Water Quality Parameters
In terms of chemical parameters, good water is water that is not polluted by excessive by chemical substances that are harmful to health, among others, mercury (Hg), aluminum (Al), arsenic (As), barium (Ba), iron ( Fe), fluoride (F), Calcium (Ca), acidity (pH), and other chemicals. While the microbiological parameters of water used for everyday purposes must be free of pathogenic ...
Read More »Jenis Bahan Kemasan Kertas dan Sifatnya
Ada dua jenis kertas utama yang digunakan, yaitu kertas kasar dankertas lunak. Kertas yang digunakan sebagai kemasan adalah jenis kertaskasar, sedangkan kertas halus digunakan untuk kertas tulis berupa bukudan kertas sampul. Berikut beberapa jenis kertas kasar yang dapatdigunakan untuk kemasan: a) Kertas glasin dan kertas tahan minyak Kertas glasin dan kertas tahan minyak dibuat dengan cara memperpanjang waktu pengadukan pulp ...
Read More »Washing Method Materials
Broadly speaking, the method of washing can be divided into two parts, namely the method of soaking and spraying. 1) Immersion Method The material to be washed soaked in water with a certain time to remove impurities attached to the material. To get the maximum laundering, on this treatment can be helped by brushing or rubbing carefully so that the ...
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