In the world, 1.319 billion hectares cultivated land is short of phosphorus, two-thirds cultivated land of china is short of phosphorus. Phosphate is easy fixed for its chemical character, and fixation phosphate is difficult to be absorbed by plant. Only depending on manufacturing and using phosphate fertilizer hardly solve the lack of phosphorus in soil, so it is a good way to solve the problem by selecting the resist low phosphorus stress variety. In this experiment, we study on root morphology...
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