Response of Portulaca Oleracea L. plants to various fertilizers ratios on growth, yield and chemical composition under Egyption conditions

Author : El-Sherbeny S.E, El-Saadany S. S., Youssef A. A, El-Massry R. A. and El-Newary S. A.

Tow field experiments were carried out during two successive seasons (2007 and 2008) to investigate the effect of seven NPK fertilizers ratios on growth and chemical constituents of Portulaca oleracea L. plants. The results revealed that, in general, all NPK ratios caused significant stimulation to various growth parameters. Applied the ratio of 200:100:50 kg/fed. of NPK fertilizer resulted to produce the highest mean values of plant characters. Similarly, the chemical constituents of the total carbohydrates, soluble sugars of leaves, crude lipid of stem and crude protein of leaves and stems as well as nitrogen and potassium of leaves and stems, phosphorus of stems were improved significantly in general by applied the same ratio of (200:100:50 kg/fed NPK).

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