Cassava production
Cassava is cultivated in less developed provinces in Vietnam (Map 1). Farmers start cultivating cassava in the beginning of the rainy season and harvest after 7–10 months. They conduct land preparation using tractors and manually perform stem cutting, land hoeing, and seeding. Farmers cultivate cassava under rain fed conditions. They apply synthetic and organic fertilizers, and low levels of disease control. Weeding and harvesting are also done manually. After the harvest, cassava is sliced and dried in the sun before delivery to ethanol plants in the form of dried chips. The conversion ratio of fresh root to dried chips is 2.4 kg kg−1, which is derived from the survey (see Section 3.2 for details on the survey) and verified by other studies [12], [18] and [19].
Cassava productionCassava is cultivated in less developed provinces in Vietnam (Map 1). Farmers start cultivating cassava in the beginning of the rainy season and harvest after 7–10 months. They conduct land preparation using tractors and manually perform stem cutting, land hoeing, and seeding. Farmers cultivate cassava under rain fed conditions. They apply synthetic and organic fertilizers, and low levels of disease control. Weeding and harvesting are also done manually. After the harvest, cassava is sliced and dried in the sun before delivery to ethanol plants in the form of dried chips. The conversion ratio of fresh root to dried chips is 2.4 kg kg−1, which is derived from the survey (see Section 3.2 for details on the survey) and verified by other studies [12], [18] and [19].
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