seed production area

The thinning intensity and seed production per unit area wereclosely interrelated;

疏伐强度与母树林单位面积产种量相关密切；

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But American and Uzbekistan seed cotton yield per unit area indicators is not high, explaining that their competitive advantage the formation stems from the land production efficiency by no means.

而美国和乌兹别克斯坦的籽棉单产指标并不高，说明其竞争优势的形成并非源于土地生产效率。

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establishment of seed production area of pinus koraiensis

红松采种基地的建立

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Various types of seed production area of 1382 mu, a total of Greenhouse 48 acre area.

各类制种面积达1382亩, 日光温室面积累计达到48亩.

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research on eucalyptus seed production area and seed orchard

桉树采种母树林和种子园营建技术研究

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florescence forcast and regulate methods in maize seed production area

玉米制种田花期预测与调节方法

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Distribution zone, planting area, tatol seed production, seed yeild and seed qulity of main cultivated varieties techniques of cultivation and management, market and price of seeds of tropical pastures in Hainan province are reported in this paper.

本文概述了海南省热带牧草种子生产的分布、种植面积及总产量，主要栽培品种的产量与质量，栽培管理技术，种子销售及价格等现状。

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