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随着北京都市型现代农业的发展,草莓的产业地位越来越重要。全市草莓生产面积近7 000亩,其中昌平区就有4 500亩。调查显示,由于草莓经济价值高,昌平区草莓种植户投肥过量,平均亩施肥情况为:底施鸡粪2 737 kg,牛粪3 180 kg,商品有机肥2 622 kg和复合肥(15-15-15)25 kg。每15天追1次肥,平均每次使用三元复合肥(16-8-34)2.2 kg,
With the development of modern urban agriculture in Beijing, the status of strawberry industry is more and more important. The city’s strawberry production area of nearly 7,000 acres, of which 4,500 acres Changping District. Survey shows that due to the high economic value of strawberry, Changping District, strawberry farmers planted over-fertilization, the average mu fertilizer situation: bottom of the chicken manure 2 737 kg, cow dung 3 180 kg, 2 622 kg of commercial organic fertilizer and compound fertilizer (15- 15-15) 25 kg. Every 15 days to chase a fertilizer, the average use of ternary compound fertilizer (16-8-34) 2.2 kg,