Our objective was to explore why Sesamum indicum yield declined severely when planted after Rehmannia glutinosa in crop rotation.
我们的目的是探索为什么在熟地黄轮作中种植地黄后，芝麻的收成会急剧下降。
这地里种了庄稼。
This study can have a capital importance in crop protection.
这项研究在庄稼保护方面是至关重要。
They say the fall in crop production is causing food prices to rise.
他们指出，粮食产量下降正导致价格上涨。
The invention relates to application of a disulfide compound in crop protection.
本发明涉及二硫醚类化合物在农作物保护上的应用。
In crop estimations, the effect of selecting one specific part of a field over another.
指在估计作物产量时，选择农田的某一部分而不是其他部分的效应。
Did draining the land result in crop production greater than those of surrounding areas?
土地排水是否导致了农作物产量比周围地区更高？
Bayer will help the local population with knowledge and skills in crop protection as well as animal and public health.
拜耳将为当地人民带去关于农作物保护、动物健康及公共卫生等方面的知识和技能。
You need to understand that Stonehenge is in Crop Circle Country, and that there have been significant Crop Circles in fields right opposite the Henge.
你必须知道巨石阵坐落在麦田圈泛滥的国家，而且那里一直有着具有重大意义的麦田圈，正好就在巨石阵的正对面。
It concluded the crisis was not primarily driven by declines in crop yields or stocks, nor rising demand for meat and feed grains or even futures market speculation.
研究结果认为：2008年的粮食价格危机的主要原因不是粮食产量或储备量减少，也不是肉类和饲料谷物的需求增长，甚至也不是期货市场的投机行为。
Cowpeas are an important crop in many African countries.
黑眼豆是很多非洲国家的重要作物。
Half the fruit crop froze out in the sudden severe autumn.
有一半水果作物在秋天突如其来的严寒中冻死了。
Their reason is that if there is no road, their bumper crop will just rot in the field.
他们的理由是，如果没有路，丰收的作物将只会烂在田里。
When corn came to Europe from Mexico, now they had a much hardier crop that could be grown easily in more northerly climates and the centers of power began to shift accordingly.
当玉米从墨西哥传到欧洲的时候，他们有了一种更耐寒的作物，更容易在更偏北的气候条件下种植，权力的中心也随之转移。
As a crop, they would be quite easy to grow in a garden and whilst not the most attractive of border plants they make wonderful wine, I am told.
我听说作为一种作物，它们很容易种植在花园中，虽然不是最吸引人的边缘植物，但它们可以酿造出很棒的葡萄酒。
There is a price to be paid in that it is a delicate crop that cannot be lifted by machine or it will be bruised and rot, so has to be hauled by hand which is expensive.
这是要付出代价的，因为这是一种脆弱的农作物，不能用机器采摘，否则就会被压伤和腐坏，所以必须采用手工拖运，这是非常耗钱的。
It has consequences: South Africa's ongoing drought—the worst in three decades—will cost at least a quarter of its corn crop this year.
它的后果是：南非持续的干旱——三十年来最严重的干旱——将导致它今年至少四分之一的玉米作物受损。
Cranberries are a major cash crop in New Jersey.
蔓越橘是新泽西州的一种主要经济作物。
Brazil harvested 28 million bags of coffee in 1991, the biggest crop for four years.
1991年巴西收获了2800万袋咖啡豆，这是4年来的最大收成。
He grew a different crop on the same field five years in a row, what researchers call crop rotation.
他连续5年在同一块地上轮流种植不同作物，研究人员称之为轮作。
The researchers incinerated a crop of Streptanthus they grow in nickel-rich soil.
研究人员焚烧了他们在富含镍的土壤中培养的链球菌。
A company plans to develop a prototype weeding machine that uses cutting blades with optical sensors and microprocessors that distinguish weeds from crop plants by differences in shade of color.
一家公司计划开发一种原型除草机，它使用带有光学传感器和微处理器的刀片，通过颜色的深浅区别杂草和作物。
A company plans to develop a prototype weeding machine that uses cutting blades with optical sensors and microprocessors that distinguish weeds from crop plants by differences in shade of color.
一家公司计划开发一种原型除草机，它使用带有光学传感器和微处理器的刀片，通过颜色的深浅区别杂草和作物。
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