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通过对贵州平坝华山松种子园开花结实量的调查和对其土壤、针叶养分分析 ,掌握其低产的原因后 ,采取施 N、P、K肥、B肥、去劣疏伐和修枝整形等增长技术措施 ,可提高种子园种子单产 10 %以上 .
Through the investigation on the flowering and fruiting of Pinus armandi seed orchard in Pingba of Guizhou and the analysis of its soil and coniferous nutrients and the reason of its low yield, we applied N, P, K and B fertilizers to improve the thinning and pruning Plastic surgery and other growth measures can increase the seed orchard seed yield of 10% or more.