A COMPARATIVE PRODUCATION OF GREEN ONION BY SEEDS AND SETS METHODS AND THE EFFECT WITH SOME CULTURAL PRACTICES ON GROWTH , YIELD AND ITS COMPONENTS
Mesopotamia Journal of Agriculture,
2017, Volume 45, Issue 1, Pages 121-136
AbstractThis study was conducted to compare the production of green onion (cv. Taxes Early Grano) by two planting methods (seed and set) which were planted in the field in two planting dates:18 Oct. and 2 Dec. The third factor was to compare the use of three organic fertilizers i. e. chicken manufactured manure (melfert 25 kg/100 m2) , Rotten sheep manure (60 m3/ha.) and organic pow humus manure (2 gm/l.) with the chemical fertilizer as recommended by The Iraqi Agriculture ministry. The results showed that Plants produced from the 1st planting date and planted with sets were significantly greater than the plants produced from the 2nd planting date and planted with seed on most vegetative growth traits. Whereas, the two dates did not differ differ significantly in fresh weight of necks. The results also showed that the 1st planting date led to a significant increase in mean of the marketable plant weight and its yield per hectar as compared with plant planted in second planting date. However the number of bulb produced from doubling plants was un affected significantly by the planting date. Mean while, the plants produced by sets method increased significantly in all (significantly and non significantly) mentioned above yield characters as compared with plants produced by seed planting method. The plants fertilized with the organic fertilizers showed non significant difference among them or with plants fertilized with the inorganic (chemical) fertilizer in the most vegetative growth, yield and their component traits mentioned above. The bulb produced from the second planting date and planted with set method and chemical fertilizer increased significantly in nitrate content. The result indicated that plant planted in the first planting date and planted with the sets method and fertilized with organic fertilizer (pow humus 2 gm/l) gave the highest mean weight of marketable per plant (332.87 gm) and its yield per hectar was (88.764 ton).
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