1) acreage under cotton
棉田面积
1.
The author fo- cuses his discussion on the course of development of cotton production in the 30 years of 1919～1948, and approaches the changes of the total acreage under cotton,the total output and the yield per unit area of cotton which were compared with the average of each ten years durign 1919～1928,1929～ 1938 and 1939～1948.
本文在分析中国近代棉产调查、棉产统计资料的基础上,给出了1840年和清代末年的棉花总产量估计值,重点讨论了1919～1948年30年的棉花生产发展历程,比较了1919～1928、1929～1938、1939～1948 3个10年的年平均棉田面积、总产量和单位面积产量的变化,得出了30年间存在着二个明显的发展阶段,即1919～1936年的棉花生产逐步增长阶段和1937～1948年的猛然降低阶段的结论,并分析了其形成的历支原因。
3) field area
农田面积
1.
A portable instrument for measuring field area based on GPS module.;
基于GPS模块的便携式农田面积测量仪
4) coal field area
煤田区[面积]
5) cotton field
棉田
1.
The residue of plastic film in cotton fields in Shihezi,Xinjiang;
新疆石河子地区棉田土壤中地膜残留研究
2.
The population dynamics and the spatial distribution of Coccinella undecimpanctata in cotton field.;
棉田十一星瓢虫种群动态及空间分布
3.
Dynamic analysis of distribution patterns of the spiders in a cotton field by pitfall traps;
陷阱法调查棉田蜘蛛的分布动态
6) cotton fields
棉田
1.
Effect of three kinds of color basin on trapping insects in cotton fields;
三种颜色诱盆在棉田的诱虫效果初步观察
2.
Community structures of arthropods in cotton fields in the northern of Anhui.;
淮北棉田节肢动物的群落结构
3.
Occurrence of predators in different cotton fields in south Xinjiang
新疆麦棉间作布局及麦棉比例与棉田捕食性天敌发生的关系
补充资料：棉田
1.种植棉花的田地。
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