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1997年上冶镇引入黑宝石李子,栽后翌年结果,第3年平均株产28.5kg,第4年可达52kg以上,现将其优质丰产栽培技术总结如下。 1.建园 建园时根据规划整平土地。冬前挖好1m见方的定植穴,每667m~2施优质土杂肥5000kg、磷酸二氢钾50kg,与表土混匀后回填。以春栽为宜,选用优质壮苗,用3号生根粉浸根处理,株行距为3m×3m。栽后灌足水,树盘覆膜,40～60cm处定干。
In 1997, the town introduced the plum plum, planted the following year results, the average annual production of 28.5kg in the third year, the fourth year up to 52kg above, now its high-yield cultivation techniques are summarized below. 1. When building a garden park according to the planning of leveling the land. Dig 1m square winter before planting colonization hole, every 667m ~ 2 facilities Tuza 5000kg, potassium dihydrogen phosphate 50kg, mixed with the topsoil backfill. Spring planting is appropriate, the selection of high quality seedlings, with rooting powder 3 root immersion treatment, spacing of 3m × 3m. Irrigate enough water after planting, tree plate covered, 40 ~ 60cm at the dry.