organic wastes and biotic factors and their effect on some indicators of potato growth and productivity Solanum tuberosum L.
DOI:
https://doi.org/10.59658/jkas.v5i1.146Keywords:
Organic fertilizer, biological agents, potatoesAbstract
A field experiment was conducted in one of the farmers' field in Jabla district Babylon province in the autumn season 2016 using potato cultivar the Burren , the experiment was included two factors, the first factor was organic manure with six treatments: 32 tons.ha-1 of Palm fronds wastes, 32 tons .ha-1 of rice wastes ,،a kon . f waste with manure in six treatments >of two factors 16 tons .ha-1 of palm fronds wastes. 16 tons .ha-1 of rice wastes, palm fronds wastes with humic acid , rice wastes with humic acid , rice wastes with palm fronds wastes with humic acid ,in addition to chemical fertilizer 600 kg . ha-1.(NPK) , and Urea fertilizer 400 kg .ha-1.,in addition to the comparison treatment . the second factor was bio-fertilizer with two treatments Mycorrhizeae fungi with 10 gm . plant-1 ,trichoderma fungi with 0.625 gm . plant in addition to the comparison treatment . the study was conducted as factorial experiment according to the randomized complete block design(RCBD). each treatment with 3 Replicates. The results showed that the treatment of the mixing of palm fronds wastes and rice wastes and humic acid and chemical fertilizer treatment gave significant differences in the paper area while the treatment of adding rice waste achieved the highest rate in the plant height and the total number and the marketing share reached 63.66 cm and 38.61 ton.ha-1 and 37.65 ton . ha-1 respectively. While the bio fertilizers achieved significant differences in the total yield and the marketing yield. The treatment of the addition of the Trichoderma gave the highest rate (37.16 and 36.16 ton.h-1) respectively. The overlap between the two types of fertilizer achieved significant differences the height of the plant and the total and the marketing yield, Percentage of dry matter and percentage of starch in tubers.
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