刀耕火种的传统耕作方式已经使土壤枯竭了。
Traditional slash and burn farming methods have exhausted the soil.
刀耕火种的耕作方式对土壤是有好处的，只要它不完全烧掉所有的植被，只留下烧焦的木头。
Slash-and-burn farming can be good for soils provided it doesn't completely burn all the vegetation, and leaves behind charred wood.
这种耕作方式持续了很长一段时间。
这种困境将是确定无疑的，因为能源的匮乏使农业无法以高能消费这种美国耕作方式继续下去了，而这种耕作方式可以投入少数农民就获得高产。
This will be particularly true since energy pinch will make it difficult to continue agriculture in the highenergy American fashion that makes it possible to combine few farmers with high yields.
基因工程领域的重要新发现正促使农业专家对传统的耕作方式进行估价。
Important new discoveries in genetic engineering are causing agricultural experts to transvalue traditional farming practices.
一些农民相信目前的耕作方式不适当。
Some farmers believe current cultivation methods inadequate.
在中东，古代的耕作方式依然存在。
但在亚洲这需要从根本上改变耕作方式。
But that would require a fundamental change in farming practices in Asia.
第一次看到这种耕作方式，有点好奇。
This is the first time I saw such kind of farming method and wondered why.
研究了不同耕作方式棉花根系的发育能力。
The root system development ability of cotton with different cultivation way is analyzed.
但委员会说还有更多需要做的，包括改变耕作方式。
But Oxfam says that much more needs to be done, including changing the approach to farming.
为此，在该地区实施不同耕作方式进行土壤风蚀试验。
Therefore, different tillage methods were set up to carry on soil erosion experiment.
是劳动力的缺乏及其高成本改变了农业耕作方式并推动了技术革新吗？
Did the shortage and high cost of labour change farming practice and push technology?
因此，在草原干旱区开垦农田，应以秋耕为主要耕作方式。
Therefore, autumn ploughing should be applied as a major pattern of cultivation in the farmlands in dry pasture regions.
目的探明不同耕作方式下杂交水稻根系特性及增产的机制。
To ascertain the root properties of hybrid rice and mechanism of increasing yield under different tillage system.
与常规耕作方式相比，随着秸秆覆盖量增加，土壤水分增加。
Compared with conventional tillage method, the mulch tillage practice increased soil water content.
明确了关中西部麦田不同耕作制、耕作方式与杂草的发生关系。
The result further defined the relation between the different cropping systems or the farming way and the weed occurrence.
研究了不同耕作方式对土壤物理特性、水分状况、甘蔗苗期生长的影响。
The effects of various tillage practices on soil properties, soil water status and sugarcane growth in seedling period were investigated in this paper.
如何选择正确的耕作方式抗旱保丰收已经成为多年来一直探索的重大课题。
The correct choice of tillage way to resist drought is an important task for study.
在辽宁省西部干旱和半干旱地区建议采用以留茬覆盖为主的保护性耕作方式。
Remaining of stubble and straw covering was suggested to be adopted in western arid and semi-arid areas of Liaoning province.
在许多热带地区特别是热带雨林地区的一种耕作方式，它混合了林业和种植业。
Agroforestry A system of cultivation common in many parts of the tropics, especially in rainforest regions, in which forestry and arable farming are mixed.
如果更多地采用保墒耕作方式，可以保证可用水资源为干旱频发和雨浇地区的农作物所用。
More use of conservation tillage can assure that available water reaches the plants in drought-prone, rainfed areas.
随着全球气候变化、耕作方式改变和新品种推广，我国玉米病害的发生也有所改变。
With the changes of the global climate, cultivation methods and release of new varieties, the maize diseases have changed in recent years in China.
研究了不同耕作方式下黑土有机无机复合体组成及有机碳在各级复合体中的分布特征。
The paper studies organic mineral complex component and distribution character of organic carbon of black soil under various cultivation pattern.
令人担忧的不是农民粮食产量的减少，因为它也许是由耕作方式、天气或别的因素造成。
The worry is not that yields are flattening out in farmers' fields, where agronomic practices or the weather or any number of things may be responsible.
比较了平作和垄作下不同保护性耕作方式对土壤水分、温度和作物生长发育和产量的影响。
The influence of different conservation tillage systems under ridge plowing and flat breaking on soil moisture, temperature and crop growth and development and yield have been compared.
深松措施可作为土壤紧实、容重较高的苏打盐碱土改良与高效利用的有效耕作方式加以实施。
Subsoil tillage was an effective way to improve and utilize the compact soda-alkaline land with high soil bulk density.
在田间条件下，利用人工模拟降雨研究了坡度、降雨、耕作方式对紫色土坡耕地入渗过程的影响。
In field conditions, rainfall simulation experiments were conducted to study the influence of slope, rainfall and tillage on infiltration in sloping farmland of purple soil.
不同耕作方式对玉米生长发育及产量影响的研究表明：不同耕作方式对玉米生长发育有显著影响。
Shows to the maize growth and research of output influence through different cultivation way to originally test different cultivation ways have conspicuous effects on maize growth.
不同耕作方式对玉米生长发育及产量影响的研究表明：不同耕作方式对玉米生长发育有显著影响。
Shows to the maize growth and research of output influence through different cultivation way to originally test different cultivation ways have conspicuous effects on maize growth.
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