Effect of soil and foliar applications of different doses of NPK fertilizers on quality and quantity of wheat (Triticum Aestivum l.) crop [electronic resource]

Includes bibliographic reference

Two field experiments were designed in the Farm of Sids Agricultural Reasearch Station, ARC, Beni Swif Governorate, Egypt to study the effect of different doses of N, P, and K through soil and foliar applications and their interactions on wheat plant (Triticum aestivum L) Three levels of soil NPK applications, i.e., 0.0, 50%, and 100% from its recommended rates (RR) and four foliar spraying treatments were used without spraying and spraying two, threee and four times). The results revealed that, plant height, dry weight/plant, number of spikes/m2 , number of grains/spike, grain and straw yields, N, P and K concentration and uptake by grains and/or straw as well as protein percentages in grains were significantly increased by increasing the soil application of N, P and K up to the recommended rates or by spraying the plants four times. Combined 50% RR NPK + foliar spraying four times gave highest values of the abovementioned parameters, equal to those obtained by 100% RR NPK. The highest values of N, P and K uptake by grains and/or straw and protein percentage in grains produced under 100% RR +foliar spraying four times. The weight of thouthand grain significantly increased by increasing soil application rates, while, it did not affect by the number of foliar spraying numbers

Summary in Arabic