Addition of pellet feces from laying hens allows 50% reduction in chemical fertilizer required for winter and spring lettuce [Lactuca sativa] production
2008
Oomori, T.(Ehime-ken. Agricultural Experiment Station, Matsuyama (Japan)) | Yamaguchi, K. | Matsumoto, H.
As chemical fertilizer cultivation of 50% decrease for lettuce in winter and spring used the pellet feces of laying hens, if the cow excrement compost was obtained, lettuce's growth and amount were equal with the habitual practice cultivation using 1t/10a of the pellet foul dung at the basal fertilizer. Nitrogen, phosphoric acid and bases other than the calcium returned to the content level before the foul dung was used when rice was grown to the latter harvest though the exchangeability calcium in the soil increased by using pellet feces of laying hens. Moreover, the fertilizer expense used by the chemical fertilizer cultivation of 50% decrease became below the half because it used the pellet feces of laying hens.
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