| 释义 |
Older leaves
基本例句
老根
Foliage dull dark green at tips or margins of leaflets and withering ofolder leaves.马铃薯缺磷:植株小叶的尖端和边缘暗绿,老叶干枯;
Bright yellow interveinal chlorosis ofolder leavesfollowed by red mottling, and often purple tinting in many brassicas.缺镁的椰菜叶片:老叶脉间黄化;随后出现红色斑点;在许多芸苔中常转变成紫色.
Born toxicity led to early abscission of theolder leaves, reducing total photosynthesis leaf area, but did not influence SLA or LWR.硼中毒导致成熟叶片过早脱落，使光合面积变小；过量供硼对比叶面积和叶重比没有影响。
Blotchy irregular interveinal fading and orange-yellow chlorosis ofolder leaves, margins culed and sometimes scorched;younger leaves remaining green.甜菜锰中毒：带有不规则斑点的叶脉间褪色，老叶变为桔黄色，边缘卷曲，有时枯萎，幼叶保持绿色。
It also energizes Phosphorus.Deficiency will exhibit a yellowing and interveinal chlorosis beginning in theolder leaves.生态镁不增加土壤中阳离子，可直接被草坪草叶片吸收，能深入土壤草坪根部，吸收效率高。 |