Effects of water and fertilizer coupling on photosynthetic characteristics and yield of pumpkin were investigated at conditions with different water and fertilizer treatments.The results showed that: the influence of water and fertilizer factors on the pumpkin photosynthetic characters and yield are great,water and fertilizer coupling was not significant under the water stress situation,water and fertilizer coupling was restricted eath other under the low water situation,water and fertilizer coupling was in...
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