Abstract
Field experiment was conducted at the research farm of Regional Agriculture Research Station (RARS), Khajura to evaluate the influence of integrated nutrient management options that could enhance the properties of soil and yield of potato under the different climatic conditions of Khajura. The experiment was started in November 2016 in randomized complete block design with different seven treatments of nutrients using Farm yard manure (FYM), Poultry manure (PM) Vermicompost (VC). Available N, P and K status in the soil increased gradually due to the application of inorganic and organic fertilizers. The plots receiving 50 % RDNPK through inorganic fertilizers and remaining 50% RDN through PM registered the highest available N, P and K status in the soil. The highest pH (6.3) content in soil was found in plots treatments with poultry manure and inorganic fertilizers. Potato plots treated with FYM and inorganic fertilizers produced higher SOM content in soil after harvest (2.38%) as compared to control plots (2.09%). The treatments integrated with FYM show less bulk density than the control plot. Organic manures treated plots produce taller plants as compared plots receiving inorganic fertilizers only. Integrated use of 50 % recommended dose of NPK through inorganic fertilizers and remaining 50% RDN through PM produced higher numbers of tubers per plot (304 tubers per plot) and total tuber yield (22.86 tha-1).
 Int. J. Appl. Sci. Biotechnol. Vol 7(3): 365-369
Highlights
Agriculture is the major sector of Nepalese economy
Poultry manure treated plots had a good vegetative growth imparted by soil moisture, organic matters and nutrient content as compared to inorganic fertilizers condition
Yield attributes varied significantly due to application of different rate of organic manure and inorganic fertilizers
Summary
Agriculture is the major sector of Nepalese economy. It provides employment opportunities to 65.6 percent of the total population and contributes about 28 percent in the GDP. The development of agriculture sector is key for the growth of the national economy (MoAD, 2016). Potato (Solanum tuberosum L.) is an annual, herbaceous, tuber crop of family Solanaceae that contains all the essential food ingredients required for maintaining proper health. Potato is the world's leading vegetable crop and grown under tropical and temperate climate with wide range of climatic variations. The crop is known to perform well under loamy and sandy loam soil with pH range 5-6. It is second to maize in terms of the number of producing countries and fourth after wheat, maize and rice in global
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