Large number of elements in the practical application of water-soluble fertilizer on the citrus, special effects conduct its field tests to be administered macronutrient proven water-soluble fertilizer macronutrients affect soluble fertilizer prices on the citrus quality, yield and efficiency, the results show that a large number of water facilities elements of water-soluble fertilizer, its citrus production process than conventional water facilities not yield 16.28% macronutrients soluble fertilizer manufacturer, than pouring water treatment facilities increase of 14.7%; sugar than regular watering process does increase by 11.7% than watering water treatment increased by 12.9%, economic efficiency than conventional treatment without watering increase of 27.5%, compared with watering water treatment increase of 24.3%. Seen a lot of elements to improve the administration of water-soluble fertilizer citrus sugar content and quality, increase productivity, increase efficiency has a significant role. Water-soluble fertilizer large number of elements in the purchase to pay attention to a number of elements soluble fertilizers, which marked the nitrogen, phosphorus and potassium nutrient content of each of the three must be more than 4% water soluble fertilizer purchase a large number of elements, the three elements add up to the total half as much as a large number of elements in the water-soluble fertilizer, and one of the trace elements such as copper, iron, manganese, zinc and other elements add up to 0.05% higher than the content of the entire water-soluble fertilizer. Macronutrients soluble fertilizer is composed of several elements together, for different growth stages, the content is different; a number of elements outside of the water-soluble fertilizer products are marked with the implementation of standards, common name and registration number of fertilizer, can be subjected to the relevant query to find a suitable water-soluble fertilizer true and false. Shaanxi macronutrient fat soluble macronutrients soluble fertilizer formulas _ _ Marvell (certified merchants) are provided by Shouguang Marvell biotechnology company. Road Zhiyuan, temper forward. Shouguang Marvell Biotechnology Limited (www.maiweishengwu.com) aims to become and you win symbiosis, strategic partners to move forward, more determined to become the most influential bio-fertilizer business, and you leap together to success!