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美国黑李 (简称黑李 ) ,1997年引入南阳市 ,在桐柏等县大面积建园 ,累计发展面积 70 hm2 ,实现了 2年开花 ,3年有产量 ,4年生 666.7m2 (亩 )产 82 0 kg。其栽培技术要点如下。1 高标准建园 采用抽槽或挖大穴的办法 ,槽深、宽各 1m,挖大穴 1m见方 ,每定植穴施入腐熟土杂粪2 0
Black plum (Black plum) was introduced to Nanyang in 1997 and built in a large area in Tongbai County. The area has a total area of 70 hectares with a flowering of 2 years, a yield of 3 years and a yield of 666.7 m2 (mu) per annum 82 0 kg. The cultivation techniques are as follows. 1 high standard built garden using the method of pumping tank or digging the big hole, the groove depth, width of the 1m, dig a large hole 1m square, each planting hole into the maturity of soil 20