天长市龙虾与芡实轮作试验

来源 :科学种养 | 被引量 : 0次 | 上传用户:lidongying
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
芡实,因其露出水面的部分形似鸡头,故俗称"鸡头果",果实称为"鸡头米"。芡实是一种喜温性水生蔬菜,不耐霜冻和干旱;春季萌发,夏季开花结果,秋季收获,冬季果落叶败;全生育期200天左右。芡实是滨湖圩内及低洼地区发展避洪农业的高产、优质、高效经济作物,集食用、药用、保健于一体,市场畅销,具有良好的经济效益和发展潜力。安徽省天长市种植芡实已有200多年历史,被誉为"芡实之乡",芡实已经成为天长市特色农业发展的一张亮丽名片。
其他文献
Objective To assess predictive clinical factors of cardioembolic infarction in very old patients(85 years of age and older).Methods Prospective hospital-based s
Background Cognitive impairment (CI) increases cardiac mortality among very elderly patients. Percutaneous coronary intervention (PCI) for ischemic heart diseas
Background In real practice, two or more antihypertensive drugs are needed to achieve target blood pressure. We investigated the comparative beneficial actions
Background Combinations of coronary heart disease(CHD) and other chronic conditions complicate clinical management and increase healthcare costs. The aim of thi
Background Elderly patients with acute coronary syndromes(ACS)are at higher risk both for ischemic and bleeding complications.Current guidelines recommend the P
Objective To study the association between the expression of microRNA-155(miRNA-155)in peripheral blood CD4^+T lymphocytes and the level of semrn interferon-7(I
Objective To evaluate short- and long-term changes in quality of life (QoL) in patients undergoing transcatheter aortic valve implantation (TAVI) and to assess
ObjectiveTo 检验在 T <sub 之间的关系>山峰</sub>- T <sub >结束</sub>间隔( Tpe )和有室的早熟的敲击( VPB )并且在 hypertension.MethodsA 的左室的改变的出现的 Tpe/Q
笼养是将鸡只饲养在金属丝焊接的笼内,鸡笼根据种鸡品种、周龄和性别分为育雏笼、育成笼、产蛋笼和公鸡笼等。笼养的主要优点是可以增加饲养密度、节省饲料,提高均匀度和受精