Comparative Study on the Npk Fertilization Sources of Young Manfalouty Pomegranate Trees | ||
| Journal of Plant Production | ||
| Article 1, Volume 7, Issue 10, October 2016, Pages 1037-1042 PDF (445.19 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jpp.2016.46875 | ||
| Author | ||
| S. F. EL-Gioushy* | ||
| Hort. Dept., Faculty of Agric., Benha Univ., Egypt. | ||
| Abstract | ||
| This work was conducted during 2014&2015 seasons on young Manfalouty pomegranate trees grown in reclaimed sandy soil under drip irrigation (National Research Center orchard) at Nobaria region, Behara Governorate to investigate the possibility of replacing the expensive mineral NPK fertilizers commonly adopted in the region with other cheaper and environment friendly alternative sources. In this regard organic N and some natural raw PK materials mixtures used at 3 doses (500,1000,1500 and 2000 g/tree) either solely or combined with bio NPK fertilizers mixture were evaluated through the response of vegetative growth and nutritional status measurements. Data obtained displayed that the investigated growth measurements (plant height, stem thickness, shoot length, No. of both shoots per tree & leaves /shoot, average leaf area and total assimilation area), as well as nutritional status (leaf chlorophyll, N, P, K, Fe, Mn and Zn contents) responded obviously to investigated fertilization treatments and followed to great extent the same trend. Herein, control, organo NPK rocky materials only at 500 g/tree and bio NPK fertilizers mixture solely at 300 ml/tree seemed to be equally the same, ascendly followed by (T3- 1000g of alter. organo. Rocky mix. Only, T6 - (T2 + 300 ml bio NPK mix.), (T4- 1500g of alter. organo. Rocky mix. Only &T7-(T3 + 300 ml bio NPK mix.), (T5- 2000g of alter. organo. Rocky mix. Only) and T8 - (T4 + 300 ml bio NPK mix.)/ T9 - (T5 + 300 ml bio NPK mix.). Consequently, mixture of organic N and rocky PK materials at either 1000 or 1500 g/tree combined with bio-NPK mixture at 300ml/ tree could be safely recommended, as their beneficial effects on both growth & nutritional status measurements were concerned. | ||
| Keywords | ||
| Manfalouty pomegranate; natural raw PK; organic N; bio NPK; vegetative growth and nutritional status | ||
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