In Huaibei area the unsuitable application of wheat variety, bad climate soil conditions, lower fertility and extensive cultivation were major limiting factors for high wheat yield in large areas.
对近几年淮北小麦生产现状的分析表明，小麦品种使用不当、不良气候、土壤肥力偏低以及栽培粗放是当前淮北小麦大面积生产存在的主要问题。
Due to it in danger of extinction, artificial cultivation of Pinellia tuber has caused the extensive concern in recent years.
由于野生半夏资源日益匮乏，近年来，半夏的人工栽培快繁技术引起了广泛关注。
Land was used for permanent pasture, therefore farming was extensive. This zone extends to the margins of cultivation, beyond which was wasteland.
土地用作放牧之用，耕作为粗放式，这地带伸延至耕种边界，以外的是荒地。
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