Open Access Mini Review

Reduction of Nitrogen Fertilization in Green Peas by Using Vegetable Compost

Óscar Zuazo Velasco1, Francisco J Castillo Ruiz2*, Nicolás Riaño Para1, Roberto Valencia Omatos1 and Julia Arbizu Milagro2

1Garu Cooperative Society, Ctra, de Logroño, Santo Domingo De La Calzada, Spain

2University of La Rioja RG “Technology, Engineering and Food Safety”, Faculty of Science and Technology, C/ Madre de Dios, Spain

Corresponding Author

Received Date: April 19, 2021;  Published Date: April 26, 2021

Abstract

Nitrate pollution represent an increasing threat to many superficial and soil water masses. European laws determine Nitrate Vulnerable Zones in which nitrate fertilization was restricted to reduce water pollution risks. In order to avoid excessive soil nitrogen content, that could cause pollution through leaching or runoff. 282 plots of green pea were selected to take soil samples to analyze macronutrient content (Nitrogen, phosphorous and potassium). Depending on soil macronutrient content, 185 plots were proposed to be fertilized only with 1000 kg ha-1 of vegetable compost because previous soil analyses provided adequate levels of macronutrients. The other plots were fertilized with 500 kg ha-1 of mineral fertilizer considering that previous analyses showed low levels of at least one macronutrient.

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