紫花苜蓿是多年生豆科牧草作物，在黄土高原半湿润区大面积栽培。
Alfalfa (Medicago sativa L.) is a perennial legume grass which was cultivated widely on semi-humid areas of the loess plateau.
这为今后龙蒿的育种研究和制种提供了理论依据，也为大面积栽培提供了指导。
Artemisia dracunculus this for the future of research and seed breeding provides a theoretical basis, as well as the cultivation area to provide guidance.
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。
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.
高淀粉玉米产量及品质由于受环境条件和栽培措施的影响，而导致品种优势得不到发挥，影响大面积推广。
The influence of environmental condition and cultivation measures on the yield and quality of high-starch maize can lead the underdevelopment of the advantages of variety and affect the large spread.
为雁青秋大豆大面积规范化栽培提供了依据。
Scientific evidence was furnished for Yanqing autumn soybean on model cultivation in large areas.
随着人们对木荷特性的认识的不断加深，它不仅被大面积的种植栽培，而且也引起了广大林业工作者的关注。
With the more realizing of people of Schima Superba, it not only have been planted largely, but also arose the attention of more operator of forest.
经对培养料的化学分析和示范点的大面积验证试验，表明利用玉米芯(秆)栽培食用菌，在栽培理论和技术上是可行的。
Throngh the chemical analysis for the substrate and field demonstrated trial show that, using the cob and stalk to cultivate the edible mushroom is desirable in theoretically and technically.
大面积推广应用这些栽培技术，取得了显著的增产效果，提高了全市小麦生产的整体水平。
The extension and application of these techniques in large areas have brought about notable result in yield increase, which much improves the overall level of the wheat production of the whole city.
这些作物经长期的人工栽培和少数基因型品种的大面积推广，使这些农作物遗传资源越来越狭窄，受病虫和非生物逆境的危害越来越严重。
These crops have been cultivated for a long time and only few cultivated varieties have spreaded to great area. The genetic resources of these crops has become more and more limited.
结果表明，利用巨穗小麦种质为基础培育的品系较当地生产上大面积种植的栽培品种有良好的抗旱特性，巨穗小麦种质有可能作为小麦抗旱节水育种的良好遗传资源。
The results showed that these new wheat lines present high resistance to water stress. Giant spike wheat germplasm could be used as drought resistance gene resource in wheat breeding.
结果表明，利用巨穗小麦种质为基础培育的品系较当地生产上大面积种植的栽培品种有良好的抗旱特性，巨穗小麦种质有可能作为小麦抗旱节水育种的良好遗传资源。
The results showed that these new wheat lines present high resistance to water stress. Giant spike wheat germplasm could be used as drought resistance gene resource in wheat breeding.
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