中耕作物

Phenology and physiology of field crops.

需要中耕管理的作物生物气候学和生理学

This crop report is USDA's initial NASS look at row crop yield prospects through survey and objective measurement.

该报告是美国农业部统计局首次通过调查和目标评定对中耕作物收获前景所做的预测。

Row crop used in animal feed, cereals and industrial products -- into a plant that can not only weather devastating drought but also yield a rich blend of vitamins and minerals.

这个研究所的目标是将高粱属的植物－－美国用作动物饲料，粮食和工业品的常规中耕作物，转变成一种能抵御气候干旱，而且还能产出丰富维生素和矿物质的作物。

The goal is to turn sorghum -- a common U.S. row crop used in animal feed, cereals and industrial products -- into a plant that can not only weather devastating drought but also yield a rich blend of vitamins and minerals.

这个研究所的目标是将高粱属的植物－－美国用作动物饲料，粮食和工业品的常规中耕作物，转变成一种能抵御气候干旱，而且还能产出丰富维生素和矿物质的作物。

Being a protective tillage, the no-tillage means getting rid of not only the tillage before sowing, but also the intertill after sowing, and leaving the plant residue after harvesting.

中文题名稻田自然免耕体系土壤微生物及有机质周转研究副题名外文题名 Study on the microbial characteristics and the turnover of organic matter in paddy soil under a long-term no-tillage and ridge culture 论文作者张磊导师谢德体教授魏朝富研究员学科专业土壤学研究领域\研究方向土壤生物和生态学位级别博士学位授予单位西南农业大学学位授予日期2002 论文页码总数92页关键词稻田土壤生态学土壤有机质土壤微生物免耕馆藏号BSLW /2003 /S154 /1 免耕制是一种保护性耕作制，指同一块土壤在一定年限内，不仅免除播前耕作，也免除播后中耕，作物收获后直接将作物残茬留在土壤中的耕作方式。

Border irrigation can be used with slope gradients between 0.2 % and 2 % for cultivated crops, up to 4 % or 5 % for small grain or hay crops, and up to about 8 % for pastures.

适宜采用畦灌的地面坡度是：种植中耕作物为0.2％一2％；种植小粒谷物或饲料作物为4％～5％；种植牧草约为8％。

Small furrows known as corrugations are used for uncultivated grain and forage crops.

称为灌水垄沟的小沟用于不中耕的粮食作物和饲料作物。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。