The character of date tree cultivar at present has different deficiency, and degeneration is serious.
现有枣树栽培品种性状各有不足，而且退化现象严重。
To date, about 650,000 households have participated in the establishment and management of tree plantations.
截至目前，约有65万农户参加了人工林栽培与管理工作。
To date, about 650,000 households have participated in the establishment and management of tree plantations.
截至目前，约有65万农户参加了人工林栽培与管理工作。
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