tillages

与tillages相关的网络例句 [注：此内容来源于网络，仅供参考]

"We analyse soils according to the size of the particles, and the size of the particles determines to a great degree the different tillages, crop rotation and different crops to be grown on the soil."

我们根据土粒的大小来分析土壤，而且，土粒的大小在很大程度上决定着土地的耕作方式、农作物的轮作和种植的作物的种类。

Soil tillages in dry mountain lands in the east part of Qinghai Province chiefly con-centrate on spring and autumn.

青海东部山旱地土壤耕作主要集中在春秋两季。

The paper firstly reported the distribution pattern of microbial biomass in different sizes of water-stable aggregates under long-term different tillages in a subtropical purple paddy soil.

首次报道亚热带紫色水稻土中微生物生物量在长期不同耕作方式的土壤中不同水稳性团聚体中的分布特征。

Variation of soil organic phosphorus fractions and contents under different tillages for long term was studied in the layer of 0~5cm, 5~10cm, 10~30cm of calcareous soil in the Loess Plateau of central Gansu with the Bowman-Cole method.

采用Bowman和Cole提出的有机磷分级体系，对陇中黄土高原0~5cm、5~10cm、10~30cm不同耕作方式下土壤有机磷的组成变化进行了研究。

The systematic experiment of conservation tillage in two crops a year region has been designed and performed according to the maximum benefit of resources, environment and production, based on the research achievements of conservation tillage technology in one crop a year regions. Series experiments and embedded theory study have been conducted for estimating the feasibility of water saving in conservation tillage and guiding irrigation. At the same time, the evaporations of soil water under the condition of conservation tillages are measured and its mathematic model is studied and significant research achievements have been obtained.

中文文摘：为研究一年两熟地区实行全程保护性耕作技术体系的可行性，选择出适宜该地区一年两熟的保护性耕作技术体系和提供指导灌溉用水的理论依据，论文在一年一熟地区保护性耕作体系研究成果的基础上，以一年两熟地区全程保护性耕作体系的资源环境效益和生产效益为依据，进行了深入的理论分析和田间试验研究；同时进行了保护性耕作条件下，土壤水分棵间蒸发的专项试验及模型研究，取得了重要的研究进展。