Field experiment was conducted to investigate the effects of treflan injection on dripper clogging and root distribution, yield and quality of winter wheat.

通过田间试验，研究了地下滴灌施加氟乐灵对滴头根系入侵堵塞的控制效应及其对冬小麦产量、品质和根系分布的影响。

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The CEF site also breaks the yield down into the income and distribution yield component.

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In 2007 the fund traded at a 50% premium to net asset value, in part due to their high distribution yield at the time.

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To meet that need for our investors, we employ two income-enhancing strategies to boost portfolio income and deliver an above-market distribution yield (about 7% on current NAV, based on the last four quarterly distributions).

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