Scientia Agricultura Sinica ›› 2004, Vol. 37 ›› Issue (09): 1322-1327 .doi: 10.3864/j.issn.0578-1752.040911

• SOIL & FERTILIZER·WATER-SAVING IRRIGATION • Previous Articles     Next Articles

Citrate on Mobilization of Fe and P in Calcareous Soil and Its Impact on Growth of Drip-irrigated Tomato

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  1. 农业部植物营养学重点实验室
  • Received:2003-11-28 Revised:2004-04-01 Online:2004-09-20 Published:2004-09-20

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Abstract: Differences in soil pH and DTPA extractable Fe and available P content near to emitter soil and bulk soil were investigated in the open-field experiment with drip and furrow irrigation. Results showed that drip irrigation improved marketable yield of cherry tomato with higher use efficiency of water and fertilizer. Soil available P, water content and pH value are higher in wet part soil of drip irrigation than that in non-wet part and in furrow irrigation plot. However, soil available Fe concentration decreased in drip irrigation. Adding citrate decreased soil pH, improved available Fe content in soil and increased Fe and P uptake by cherry tomato.

Key words: Tomato, Drip irrigation, Available P, Available Fe, Citrate

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