Seed and forage yields of white clover as influenced by varying rates of rock phosphate and superphosphate fertilizer at Winnie, Texas

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1952

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Abstract

The objective of this study was to determine the effect of varying rates of phosphoric sold from rock phosphate and superphosphate on the seed and forage yields of white clover at Winnie, Texas. The facts brought out in this study are (1) seed yield as influenced by varying rates of phosphoric acid, (2) forage yield as influenced by varying rates of phosphoric acid, (3) possible place of white clover seed production In connection with forage production now In progress over much of the Gulf Coast area. In order to attain these objectives, an experimental area was established in Winnie, Chambers County, Texas, 26 miles southwest of Beaumont on Highway 124. Each treatment was adequately replicated for more reliable evaluation. Only one clipping was taken, as seed was considered the primary objective. Size of leaflets, weather data, and substantiating photographs were used to evaluate the yields and results. Results Indicate that (1) white clover seed production has a place in the forage system In the Gulf Coast area; (2) seed yields are increased with limiting amounts of phosphoric acid; (3) seed yields are decreased when excessive amounts of phosphoric acid are added; (4) except for maximum application of both rock phosphate and superphosphate, all treatments gave substantial increase in forage yields; (5) the largest net profit was shown from the application of 240 pounds of phosphoric sold from rook phosphate, followed respectively by profit from the application of 120 pounds of phosphoric acid from rock phosphate and 60 pounds from superphosphate. It is believed that additional Investigation should be carried out during consecutive years for more exact evaluation of the effects of rock phosphate and superphosphate on seed and forage yield of white clover.

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