A field experiment was conducted to study effects of fertilizer combination on yield, quality and forms of nutrients in leaf of lettuce.
采用田间小区试验研究了不同肥料组合对莴笋产量、品质和叶片养分形态的影响。
These molecules wreak havoc, damaging the parts of the leaf that are in the process of recovering and transporting nutrients back to the rest of the tree.
这些氧分子横行肆虐，破坏了树叶中正在进行回收将剩余营养盐输送回树木的那部分组织。
The leaf traits of Cypripedium were the adaptation to the environment rich in water and nutrients but easy to change with seasons.
杓兰的叶片性状是对水肥条件较好，但季节波动较大生境的适应。
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