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김문철,김동암,정창조,송성준 제주대학교 농과대학 제주도축산문제연구소 1991 畜産論叢 Vol.6 No.1
An experiment was carried out to find out the effect of fused-P and rock-P applications to mixed pasture species (orchardgrass ; Dactylis glomerafa, and ladino clover; Trifolium refiens) grown in Cheju volcanic ash soils Back soil when compared with very dark brown soil. is generally lower in available phosphorous Phosphorus uptake in pasture species lowers its dry matter yield. In the case of carrier free, phosphonis application increased dry matter yield more than no phosphorus, while carrier was treated(0.5 mole KH_(2)PO^(4)) there was no dif-ference in the dry matt,er yield and available phosphorus between no P and P applications. When applied to pastures. fused-P compared with rock-P gave higher dry matter yields and increased P-uptake.