在露地不适于作物生长季节，采用保护设备（如防寒保温或遮阴降温）创造适宜的环境，应用早熟品种，提早播种育苗，在露地气温适宜的情况下，种植于大田，是作物提早成熟的栽培方法。
经2年冬性鉴定试验表明，冬甘2号甘蓝是适合保护地栽培的春甘蓝品种，具有早熟、丰产、优质、冬性强等特性。
Winterness of Donggan No. 2 was certificated in two years. The result showed that it's fit for planting in green house with characteristic of early mature, high yield and strong winterness.
春大棚黄瓜是黄瓜早熟丰产的重要栽培方式。
Growing cucumber in plastic shed in spring is an important cultural method for attaining to early maturing and high yielding.
南方优质早熟梨是指适合南方广大地区气候条件栽培的梨品种群。
South, good quality and early ripening pear means the pear cultivar which is suitable for the climate condition in most south regions.
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