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| Effects of Different Irrigation and Fertilizer on Ca Absorption and Tipburn of Lettuce |
| He Jiande; Wu Wenqiang; Qu Mingshan; et al. |
| Beijing Soil and Fertilizer Station; 100029 |
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Abstract Ca absorption and tipburn of lettuce were studied under different application of N,K,Ca,sprinkler irrigation and border irrigation in open field.The results showed:inncrease application of Ca,balance application of N and K and sprinkler irrigation could increase Ca content of lettuce leaves,reduce occurring of tipburn.
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Received: 19 September 2005
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