山东北部沿海平原区小麦-玉米周年两吨粮超高产技术创建是中国农业大学作物化控团队和莱州市金海种业在山东省莱州市开展的一项重要农业生产示范项目。通过精选良种、合理密植及水肥一体化等措施,以期实现小麦和玉米的高产高效种植。在2...山东北部沿海平原区小麦-玉米周年两吨粮超高产技术创建是中国农业大学作物化控团队和莱州市金海种业在山东省莱州市开展的一项重要农业生产示范项目。通过精选良种、合理密植及水肥一体化等措施,以期实现小麦和玉米的高产高效种植。在2023年该地块小麦和玉米两季的种植中,现场实测每公顷的总产量达到了31,323.90 kg(折合2088.26 kg mu-1)。其中冬小麦由农业农村部组织专家测产打破了黄淮海地区小麦的单产纪录,实际产量高达13,213.35 kg hm-2(折合880.89 kg mu-1)。种植品种烟农1212每平方米穗数为692.0,穗粒数为40.1,千粒重为52.55 g,单株产量为4.74 g,收获指数为0.56,水分利用效率为3.24 kg m-3。夏玉米中金玉2513的每平方米穗数为9.1,穗粒数为584.7,千粒重为379.31 g,单株产量为206.25 g,收获指数为0.58,水分利用效率为2.86 kg m-3,实际产量为18,110.55 kg hm-2(折合1207.37 kg mu-1)。在2024年的重复试验中,小麦-玉米的实际产量继续达到30,997.00 kg hm-2(折合2065.13 kg mu-1)。本文旨在总结高产纪录小麦-玉米复种高产田生产过程的主要管理环节和高产群体的主要指标,为山东北部沿海平原区小麦-玉米复种高产提供参考。展开更多
OBJECTIVE:To study the preventative effects of massage on gastric volvulus(GV) in infants with gastroesophageal reflux(GER)-induced pneumonia.METHODS:One-hundred and eighty GV with GER-induced pneumonia inpatients wer...OBJECTIVE:To study the preventative effects of massage on gastric volvulus(GV) in infants with gastroesophageal reflux(GER)-induced pneumonia.METHODS:One-hundred and eighty GV with GER-induced pneumonia inpatients were divided randomly into four groups:basic treatment 1(n =60),basic treatment 2(n = 30),massage treatment1(n = 60) and massage treatment 2(n = 30).Clinical examinations selected between groups 1 and 2were different.Radiography of the upper gastrointestinal tract using iodine-containing contrast was assessed in group 1 before and after treatment,whereas 24-h pH monitoring of the distal esophagus was assessed in group 2 before and after treatment.Symptom scores and chest radiography were assessed in all groups upon hospital admission and after procedures.Clinical effects were estimated after procedures in all groups.The prevalence of severe pneumonia among the four groups was compared.RESULTS:Massage treatment groups showed a significantly higher percentage of cure and total effect(P<0.05,P<0.01) and a lower prevalence of recurrence(but with no statistic difference,P>0.05)than basic treatment groups.Furthermore,massage treatment groups had remarkably lower scores for symptoms and signs(P<0.05,P<0.01),especially for choking on milk,than basic treatment groups.There was significant attenuation of chest inflammation(P<0.05,P<0.01),GV(P<0.05,P<0.01) and GER(P<0.05,P<0.01) in massage treatment groups compared with those in basic treatment groups.Finally,massage treatment groups demonstrated a lower prevalence of severe pneumonia than basic treatment groups(P<0.05).CONCLUSION:Massage treatment can prevent GV with GER-induced pneumonia in infants by timely correction of stomach rotation and subsequent attenuation of GER.展开更多
文摘山东北部沿海平原区小麦-玉米周年两吨粮超高产技术创建是中国农业大学作物化控团队和莱州市金海种业在山东省莱州市开展的一项重要农业生产示范项目。通过精选良种、合理密植及水肥一体化等措施,以期实现小麦和玉米的高产高效种植。在2023年该地块小麦和玉米两季的种植中,现场实测每公顷的总产量达到了31,323.90 kg(折合2088.26 kg mu-1)。其中冬小麦由农业农村部组织专家测产打破了黄淮海地区小麦的单产纪录,实际产量高达13,213.35 kg hm-2(折合880.89 kg mu-1)。种植品种烟农1212每平方米穗数为692.0,穗粒数为40.1,千粒重为52.55 g,单株产量为4.74 g,收获指数为0.56,水分利用效率为3.24 kg m-3。夏玉米中金玉2513的每平方米穗数为9.1,穗粒数为584.7,千粒重为379.31 g,单株产量为206.25 g,收获指数为0.58,水分利用效率为2.86 kg m-3,实际产量为18,110.55 kg hm-2(折合1207.37 kg mu-1)。在2024年的重复试验中,小麦-玉米的实际产量继续达到30,997.00 kg hm-2(折合2065.13 kg mu-1)。本文旨在总结高产纪录小麦-玉米复种高产田生产过程的主要管理环节和高产群体的主要指标,为山东北部沿海平原区小麦-玉米复种高产提供参考。
基金Supported by Clinical Scientific Research Project of Wuhan Health Bureau(No.WZ12C08)
文摘OBJECTIVE:To study the preventative effects of massage on gastric volvulus(GV) in infants with gastroesophageal reflux(GER)-induced pneumonia.METHODS:One-hundred and eighty GV with GER-induced pneumonia inpatients were divided randomly into four groups:basic treatment 1(n =60),basic treatment 2(n = 30),massage treatment1(n = 60) and massage treatment 2(n = 30).Clinical examinations selected between groups 1 and 2were different.Radiography of the upper gastrointestinal tract using iodine-containing contrast was assessed in group 1 before and after treatment,whereas 24-h pH monitoring of the distal esophagus was assessed in group 2 before and after treatment.Symptom scores and chest radiography were assessed in all groups upon hospital admission and after procedures.Clinical effects were estimated after procedures in all groups.The prevalence of severe pneumonia among the four groups was compared.RESULTS:Massage treatment groups showed a significantly higher percentage of cure and total effect(P<0.05,P<0.01) and a lower prevalence of recurrence(but with no statistic difference,P>0.05)than basic treatment groups.Furthermore,massage treatment groups had remarkably lower scores for symptoms and signs(P<0.05,P<0.01),especially for choking on milk,than basic treatment groups.There was significant attenuation of chest inflammation(P<0.05,P<0.01),GV(P<0.05,P<0.01) and GER(P<0.05,P<0.01) in massage treatment groups compared with those in basic treatment groups.Finally,massage treatment groups demonstrated a lower prevalence of severe pneumonia than basic treatment groups(P<0.05).CONCLUSION:Massage treatment can prevent GV with GER-induced pneumonia in infants by timely correction of stomach rotation and subsequent attenuation of GER.
