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Effect of homogeneous and heterogeneous supply of nitrate and ammonium on nitrogen uptake and distribution in tomato seedlings

✍ Scribed by Caixia Dong, Yinglin Lu, YiYong Zhu, Yi Zhou, Yangchun Xu, Qirong Shen

Book ID
118798944
Publisher
Springer Netherlands
Year
2012
Tongue
English
Weight
361 KB
Volume
68
Category
Article
ISSN
0167-6903

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The pericarp of the dormant sugarbeet fruit acts as a storage reservoir for nitrate, ammonium and Ξ±-amino-N. These N-reserves enable an autonomous development of the seedling for 8-10 d after imbibition. The nitrate content of the seed (1% of the whole fruit) probably induces nitrate-reductase activ