查询词典 bare fallow

On the basis of long-term experiment, changes in soil organic C, N and dynamics of soil NO〓-N of cropping systems were investigated in gully area of the Loess Plateau by means of analysis of the 15-year soil samples, crop yield in following crop systems: 1 continuous winter wheat with unmanured , nitrogen, organic manure , phosphorus and organic manure , nitrogen and phosphorus , nitrogen, phosphorus and organic manure , 2 continuous alfalfa, 3 pea-winter wheat rotation, winter wheat-sainfoin rotation, and 4 bare fallow. A model was developed according to the organic C dynamics, and was tested by the long-term experiment.

本文以中国科学院长武试验站的长期试验（始于1985年）为依托，通过对典型处理8-15年的土壤养分、作物产量以及同期降水量等的系统分析，揭示了黄土旱塬区不同种植体系中土壤有机碳、氮的演变规律；阐明了长期施肥条件下土壤硝态氮的迁移积累机理；提出了目前水肥条件下黄土旱塬区冬小麦生产潜力及其提高途径。

Effect of crops on soil moisture was in the order: continuous alfalfa＞continuous winter wheat＞bare fallow.

不同作物对土壤水分含量的影响强度顺序为：苜蓿＞小麦＞休闲地。

A bare fallow can be used with a herbicide such as glyphosate or amitrole.

对荒秃的休耕地可以使用象镇草宁或杀草强一类的混合除草剂。

Land left in bare fallow to be sown with winter crops sustained losses that far exceeded the rate of new soil formation .

留作播种冬季作物的休耕地所经受的土壤流失远远超过土壤生成的速率。

Land left in bare fallow to be sown to winter crops sustained losses that far exceeded the rate of new soil formation.

留作播种冬季作物的休耕白地所经受的土壤流失远远超过土壤生成的速率。

It is also said to specifically rule over fallow or bare land, barren fields, land that is bushy and thorny, or where there are dunghills, compost heaps or soil prepared with manure.

也有人说是特指休耕地或荒地，贫瘠的田野，灌木与荆棘丛生的土地，或者粪肥堆，混合肥料堆或者施过肥的土壤。

The technology of Eu fixed soil core tracer can be used under different conditions (including, the bare fallow slope, vegetation cover etc.).

试验揭示无论Eu定位土芯示踪技术用在休闲裸坡地还是在有植被覆盖的条件下，本试验的预测结果都和实际土壤流失量比较相近。

Soil moisture content in continuous alfalfa was considerably lower than bare fallow, the rainfall infiltration depth in continuous alfalfa was reduced to 120 cm.

常年生长苜蓿的土壤，其水分含量显著低于休闲处理，降水入渗深度显著降低。

Conventional tillage with bare ground, conventional tillage with straw incorporated and no-tillage with straw mulch were studied in the Hexi corridor of Gansu provience. The result showed: on summer fallow NTS stored soil water more than CTB and CTS by 30.62mm and 23.91mm, respectively; the winter storage irrigation quotas should be reduced to 900~1350 m^3/hm^2 on winter fallow; evaporation controlling rate arrived 38.1% and 7.3% at winter storage irrigation quotas 975m^3/hm^2 and 2100m^3/hm^2, respectively; NTS did not reduce ET during the spring wheat growth stage; yields different between treatments was not significant.

对甘肃河西内陆河灌区采用常规耕作、秸秆还田和覆盖免耕技术的农田水分效应进行研究，试验结果表明：在夏季休闲期，覆盖免耕比常规耕作和秸秆还田多贮水30.62mm和23.91mm；冬季休闲期可将大定额的储水灌溉减少到975~1350立方公尺/hm^2；覆盖免耕抑制蒸发率在储水定额为975立方公尺/hm^2时达到最大值38.1%，而在2100立方公尺/hm^2时最小为7.3%；覆盖免耕在作物生育期并没有减少土坡耗水量；各处理产量之间没有显著差异。

Effect of water saving was studied under no-tillage with straw mulch, conventional tillage with straw incorporatedand conventional tillage on bare ground. The results showed that NTS increased soil water storage by 30.6 mm and 23.9 mm over CTS and CTB during summer fallow.

对免耕覆盖、秸秆还田和常规耕作在休闲期的节水效果研究表明：在夏季休闲期，免耕覆盖比常规耕作多贮水30.62 mm，比秸秆还田多23.91 mm；在冬季储水灌溉期间，可将储水定额从2 100 m3/hm2减少到600和975 m3/hm2。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。