Papaya Cultivation Management Technology

1, choose a good variety. Suitable for local varieties are Zhangzhou papaya, poinsettia papaya, etc., and can pollinate each other. 2, planting garden. Soils or sandy loam soils with deep fertile, well-drained, neutral or slightly alkaline soils should be selected. The spacing is 2.5 met

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The Eleventh China Plastics Fair was successfully held

On the afternoon of August 31st in the briefing session of the Eleventh China Plastics Expo held in Beijing, it was learned that at present, the Plastics Fair breeze work progressed smoothly and exceeded expectations. As of August 27, 937 of all 1,023 booths that were open to foreign exhibitors had

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Centrifuge revolution and centrifugal force conversion

r is the distance between the center of the centrifuge shaft and the inner wall of the bottom of the centrifuge tube; rpm (revolution per Minute) is the number of revolutions per minute of the centrifuge; RCF (relative eentrifugal The relative centrifugal force, expressed as a multiple

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