1.
MIGRATION AND ENRICHMENT OF SOME TRACE ELEMENTS IN EARTH-CUMULI-ORTHIC ANTHROSOLS
土垫旱耕人为土中某些痕量元素的迁移富集特征及其成因
2.
The land ploughs hard after the drought.
大旱之后土地难耕。
3.
Substantial amounts of land may have to be converted from irrigated to dryland farming systems.
大量土地可能不得不从灌溉转为旱地耕作。
4.
Clay makes the soil hard to work when wet and it cracks when dry.
粘土遇湿使土壤无法耕作，遇旱使土壤发生龟裂。
5.
Study on Soils Series Classification of the Main Stagnic Anthrosols in Chengdu Plain;
成都平原主要水耕人为土土系划分研究
6.
Soil Properties and SEM Features of Diagnostic Horizon of Stagnic Anthrosols in Southwestern,China
西南地区水耕人为土诊断层土壤特性及SEM特征
7.
Freezing-Thawing Condition of Main Dryland Farming Soil Areas in Northeast China
东北主要旱地耕作土壤冻融环境分析
8.
The Improved Effect of Conservation Tillage for Low Yield Dry Farm with Purple Sand-soil
低产紫沙土旱耕地保护性耕作改良效应
9.
SOIL'S ENZYME ACTIVITY IN DIFFERENT CONSERVATION TILLAGE IN SLOPING LAND
旱作坡耕地保护性耕作土壤酶活性研究
10.
Effects of different tillage measures on upland soil respiration in Loess Plateau
不同耕作措施对黄土高原旱地土壤呼吸的影响
11.
But with the drought, the farmers began to fence off their land-even fallow land-for fear it would be ruined by passing herds.
但当干旱来临，农民开始保卫自己的耕地，甚至是尚未耕种的土地，因为担心牧群的破坏。
12.
Analysis on Heterogeneous Underlying Surface Roughness Length in Semi-Arid Mountains Area of Loess Plateau,China
黄土高原半干旱区非均一下垫面粗糙度分析
13.
dry farming; dryland farming: A system of producing crops in arid and semiarid regions without the use of irrigation.
旱地耕作法:指一种在干旱或半干旱土地上不使用灌溉方法生产作物的耕作制度。
14.
Study on Conservation Tillage Technology for Preventing Soil Erosion by Wind in Dry Farmland Area;
旱作农田土壤风蚀防治的保护性耕作技术研究
15.
The Effect on Soil Organic Nitrogen under the Different Tillage in Dryland;
不同耕作方式对旱地土壤有机氮的影响
16.
Effect of No-till with Straw Cover on Soil Organic Carbon in Dry Land;
旱地秸秆覆盖免耕对土壤有机碳的影响
17.
Studies on Fixed Ammonium of Chief Upland Cultivated Soils in Hunan Province;
湖南省主要旱耕地土壤固定态铵的研究
18.
Microbial Characters in No-tillage Soil with Paddy-upland Rotation;
水旱轮作条件下免耕土壤微生物学特性研究