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1 增加单果重1.1 加强肥水管理通过深翻改土,增施有机肥,使土壤有机质含量达到1%以上。但要防止氮素过多。喷施微肥。据试验,花后40d 和70d 各喷施1次2 000×10~(-6)硫酸锰,百果重可增加1.25kg;果实膨大期喷2次亚硫酸钠,元帅、红星、富士用200×10~(-6),金冠用400×10~(-6),可使果实横径增长8%～23%,单
1 increase the weight of fruit 1.1 to strengthen fertilizer and water management through deep change soil, increase organic fertilizer, the soil organic matter content of 1% or more. But to prevent excessive nitrogen. Spraying fertilizer. According to the test, after spraying 40d and 70d after each spraying 1 000 × 10 ~ (-6) manganese sulfate, fruit weight can increase 1.25kg; fruit enlargement spray 2 times sodium sulfite, Marshal, Red Star, Fuji with 200 × 10 ~ (-6), the golden crown with 400 × 10 ~ (-6), the fruit diameter can be increased by 8% to 23%, single