Effect of Biofertilizer and Humic , Fulvic Acid Application on Availability Of Some Element in  Soil .

	Effect of Biofertilizer and Humic , Fulvic Acid Application on Availability Of Some Element in Soil .
Jornal of Al-Muthanna for Agricultural Sciences
Article 1, Volume 4, Issue 2, 2016, Pages 1-12
Abstract
Abstract A field experiment was conducted in nursery Colloge of Agric. Univ. of Muthanna. were conducted to study the effect of biofertilizer,. Humic,fulvic acid application and their interaction on availability, N,P,K in soil during the growing season of 2015.Factorial experiment in a RCBD was conducted at the Research Station, , to investigate the effect of biofertilizer, humic, fulvic acid and their interaction on availability of N, P, K in the soil. The experiment treatments were three levels of humic,fulvic acid addit foliar to plant (0 , 2, 4 ml L ha-1) coded it F0,F1,F2 respectively. and three levels of humic, fulvic acid,application to soil (0, 10, 20 L ha-1) coded it S0,S1,S2 respectively. and biofertilizer B0 (without inoculation), B1 (inolculating seed with Bacillus), All experiment units received 240 kg N ha-1 ,80 kg p ha-1 and 120 kg K ha-1 in two doses during the plant growth. Inoculated and other corn seed were planted in 15-3-2015 in plots of (2x3) m2 with distance between plants 0.20 m and between lines 0.70 m.and distance 0.75m between replicat The most important results can be summarized as: - application of biofertilizer and humic, fulvic acid to plant and soil and their interaction had significant effect on increasing the availability of N, P, K, in soil - The highest availability of N,P and K at the interaction treatment B1F2S2 with investigate of 95.82 mlg N kg- soil, 34.73 mlg P kg- soil, 307.8 mlg K kg- soil resp

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