4.2 learning the selection of species and varieties,The category and type of vegetable varieties We divide the vegetable varieties as a category 2, as follows:1. varieties of vegetables Refer to the species planted and maintained a long succession, as a species, the most productive in the local area which may be Woody or falling wood, Luke. That we can keep the seeds to plant in the next version.2. vegetable species trade. Refers to the varieties of vegetables that are grown for the most common distribution by market. Divided into 2 types:2.1 species mix, turn on or beside the song writing the abbreviation OP stands that 0pen-Pollinated is a species of grain storage is used to plant the next season in the same style output.2.2 varieties are hybrids that F1 can no longer hold the seeds used to grow later in the next season. The output does not meet the characteristics required in accordance with version.How to buy/use the seeds-Check the date of manufacture/expiry date.-Percentage of 70% or higher, sprout.-Do not purchase seed Sun all day.-When opening the envelope, and should be used, if not all, should be closed completely to the refrigerator case in order to maintain the quality.
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