Depending on their drought-resistant, poor soil-enduring features and stronger adaptability, the minor crops play a very important role in dry farming of the Loess Plateau from ancient times, and can’t be lack up to now.
小杂粮耐旱耐瘠，适应性强，自古以来一直在黄土高原旱作农区作物生产中占居着主体地位，迄今为止，依然是不可或缺。
参考来源 - 黄土高原小杂粮生产可持续发展研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Limited by natural conditions, minor crops can only be planted in mountainous area.
受自然环境制约，山区只能种植小杂粮。
The problems in planting minor crops are low yield and negative effect on local ecological environment.
二是给当地的生态环境带来一定的负面影响，致使本来就十分脆弱的山区环境雪上加霜。
It is showed that minor food crops have strong competitiveness in the market through this research on their production costs and benefits, quality, price, and market prospects.
通过对小杂粮的生产成本和效益、品质优势、价格优势及市场前景等方面的研究和分析，表明其具有较强的市场竞争力。 种植分散、生产水平低；
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