2) tobacco leaf quality
烟叶质量
1.
The implementation of tobacco leaf quality database management and BP network analysis system
烟叶质量数据库和BP网络分析系统的实现
2.
The foundation, level, and mechanism of cooperation, and the tobacco leaf quality management are four key factors in the development of tobacco production bases cooperated by manufacturing and trading corporations.
合作基础、合作层次、合作机制和烟叶质量管理是制约工商联办烟叶基地健康发展的4个关键。
3) Tobacco quality
烟叶质量
1.
Tobacco quality (2002) and the ecological condition in Xiangyun County were appraised, which is located in low lattitude and high altitude area; and the factors that influenced tobacco quality were analyzed.
对低纬度高海拔地区祥云县2002年烟叶质量现状与生态条件进行了评价,分析了影响烟叶质量的障碍因素。
2.
In order to improve tobacco quality of Zhenghe county and optimize planting arrangement, based on the relationship between different altitude and tobacco quality, a field experiment was arranged in five different altitude testing points using yunyan85 variety.
本研究通过对政和县不同海拔气候条件、土壤养分状况进行分析,比较了政和县土壤养分与烟叶质量关系及不同海拔高度对烟叶质量的影响。
4) leaf quality
烟叶质量
1.
Leaf quality in low hill or middle hill slack inclined fields was better than that in plain or high hill inclined fields.
结果表明 ,皖南各香料烟种植区所产烟叶质量差异较大 ,低山或中山缓坡区烟叶质量好于平川区和高山坡区烟叶 ,其中红壤性土和扁石黄红土区烟叶质量最优 ,但目前种植面积较
补充资料：发育进度预测法(见发生期预测)
发育进度预测法(见发生期预测)
发育进度预测法见发生期预测。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条