Can the Productivity of Wheat (Triticum sativum) Grown under Calcareous Soil Condition Be Increased by Modifying the Crop Fertilizers Recommendation?

Document Type : Original Article

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Fertilization Technology Department, Institute for Agricultural and Biological Research, National Research Centre. 12622. Dokki, Cairo, Egypt

Abstract

TWO field experiments were conducted in Oraby village, Nubaria Region, El-Behira Governorate, Egypt, during the two winter seasons of 2014 and 2015 to explore the best fertilizer recommendation for wheat (Triticum sativum) ,c.v. Giza 168 grown under calcareous soil since the productivity of wheat is very low when cultivated under such soil conditions. Seven NPK treatments were applied. Results indicated that all NPK treatments showed positive effects on all studied parameters as compared with either negative (no added fertilizers) or positive (farmer fertilization) controls. The treatment positive effects takes the descending order of :NPK based on soil type +MN ˃ NPK based on soil type ˃ NPK MoA ˃ NK MoA˃ NP MoA˃ positive control (Farmer fertilization) ˃ negative control (no added fertilizers). Result also indicated that NPK based on soil type in combination with micronutrient foliar feeding (Balanced fertilization) significantly increased plant nutritional status, grain yield, yield components and grain & straw nutritional value. Results also proved that fertilizer recommendations should be modified to fit soil conditions for achieving maximum crop productivity.

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