By adjusting the water content, the amount of effective P and K was obxiously higher in the field. With film mulch, it was also advantageous for Robertson navel orange and wenzhou mandarin to a…
从土壤及树体养分测定还表明，地膜覆盖有利于罗伯逊脐橙及温州蜜柑对土壤养分的吸收利用。
The positive reaction rates to allergens among eczema, navel dermatitis and pompholyx had no statistical difference, but was significantly higher than that in facial recurrent dermatitis P<0.01.
湿疹、脐周皮炎及汗疱疹之间抗原阳性反应率无统计学差异，但明显高于颜面再发皮炎的抗原阳性反应率（P<0.01）。
应用推荐