The density of the nursery type ginkgo garden should be adjusted in the next spring and subsequent several years after planting.
苗圃式叶用银杏园必须在种植后的次年春及随后几年间苗调整其密度。
The yields of cocoa trees drop after 30 years of production and the last planting cycle was in the 1970s, according to Sudakshina Unnikrishnan of Barclays Capital.
可可树结实三十年后，（单株）产量就会下降。据巴克莱投资银行SudakshinaUnnikrishnan称，最近一批可可开始结实是在20世纪七十年代。
After planting the garden he has dreamed of for years, Mr. McGreely tries to find a way to keep some persistent bunnies from eating all his vegetables.
迈克·格林利先生种了梦想多年的菜园子之后，却要想办法来阻止那些顽固的兔子吃光他所有的蔬菜。
In fact, after six years of planting herbicide-resistant crops in the US, we have not seen the emergence of herbicide-resistant weeds.
实际上，美国种植了六年的抗除草剂作物，我们并没有看到抗除草剂杂草的出现。
After analysis on the tree planting in recent years, the article proposes some valuable and effective technical measures to increase the survival rate of trees.
文章通过对近年来工作实例的分析总结，提出了提高植树成活率的有效技术措施，具有较高的借鉴价值。
After several years' experiments, varieties suitable for winter planting were selected out and cultivation techniques were summarized.
通过几年的试验，已摸索出一套适宜德宏州冬种杂交油葵的品种和栽培技术。
After several years' experiments, varieties suitable for winter planting were selected out and cultivation techniques were summarized.
通过几年的试验，已摸索出一套适宜德宏州冬种杂交油葵的品种和栽培技术。
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