Effects of Crop Stubble on Physicochemical Properties of Continuous Cropping Soil and Cucumber Yield

来源 :自然资源(英文) | 被引量 : 0次 | 上传用户:now3th
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
By a pot experiment, two kinds of crop stubble (wheat, soybean) were added into continuous cropping soil of cucumber according to different quantity (0.5%, 1% and 2%), the effects of different kinds of stubble and quantity on the continuous cropping soil
其他文献
过去的1996年,对于深圳作曲家邓超荣来说,是不寻常的一年。这一年的11月18日,他应英国伦敦学会乐团音乐总监理查德·史坦普的邀请,赴伦敦圣约翰·史密斯音乐厅参加“
布里斯·波诺是一位出生在法国的野生动物摄影家,他一生有大部分时间在南非生活和工作他在法国出版了一部关于kalahani(卡拉哈里)的书.而且他关于克鲁吉国家动物园(Kruger
1926年,德国哲学家马丁·海德格尔在《存在与时间》中对“历史”有这样一段定义式的表述:历史是生存着的此在所特有的在时间中发生历事;在格外强调的意义上被当作历史的
纳米比亚位于南半球非洲大陆的西南部,濒临大西洋,海岸线1600多公里,国土面积82万平方公里,人口170万,是世界上人口密度最小的国家之一。沿海有世界奇观纳米布大沙漠,内地多丘陵。
期刊
甘露醇是目前治疗急性脑血管病脑水肿的常用药物,但用药不当可引起部分患者肾功能损害。原发性脑出血30例,经甘露醇治疗后,其中致6例肾功能不全,本文探讨甘露醇致肾损的相关因素
In many respects, river basins are extremely convenient natural resources management units and hence calls for an integrated approach in case of transboundary n
A unique model of resources consumption drag of urbanization is developed by employing the neo-classical production model and the urbanization relation model. B
In this study, 96 water samples were collected from the Tigris River within Baghdad city. These samples were used for studying the physical and chemical paramet
Oyster shells have received attention for use as a calcium resource. For this study, calcium phosphate was prepared from phosphoric acid and oyster shells. The