Effect of alternative organic fertilizers on the nutritional value and yield of head cabbage

Abstract

Commercial brands of alternative, organic fertilizers were compared with conventional, mineral fertilizers using head cabbage. There were six different treatments: conventional farmyard manure, Agro (made from poultry bedding and molasses), Dvorecký agroferm (granulated, made from dried, aerobically-fermented farmyard manure), Agormin (an organo-mineral fertilizer), compost manufactured from plant waste material, mineral fertilizer, and an unfertilized control. All the treatments were applied at rates providing approximately the same level of nutrients. After harvest, the levels of the minerals (K, Na, Ca, and Mg), ascorbic acid, nitrates and yield were measured. There were no significant differences between the treatments in levels of K, Na and Ca in case of organic fertilizers (farmyard manure, Agro, Agormin and compost). The unfertilized control had the highest levels of ascorbic acid; it was significantly higher than in case of farmyard manure which, in turn, had significantly higher values than compost. Significant differences between the treatments were found in the levels of nitrates; the lowest in case of Dvorecký agroferm and in the control. The highest marketable yields were recorded with farmyard manure and Dvorecký agroferm, the latter being significantly higher than the control. This study shows that alternative, organic fertilizers (except compost) have similar qualities as farmyard manure.

Efficiency of Inorganic and Organic Nitrogen Fertilization on Cauliflower (Brassica oleraceae var. botrytis, L.) Curds Quality

“…This finding is similar to that obtained in cabbage (Smith andHadley, 1988 andZahradnik andPetrikova, 2007). Zahradnik and Petrikova, (2007) found in head cabbage that Mg content was, significantly, higher when the organic fertilizers were used compared with mineral fertilizers.…”

Different Rates of Chicken Manure and NPK 15-15-15 Enhanced Performance of Sunflower (Helianthus annuusL.) on Ferruginous Soil

“…is agrees with the findings of Mehasen et al [24] that application of sheep manure compost contributed greatly to the cotton growth compared to control. e beneficial effects of organic manure on crop have also been well reported [25][26][27].…”

EFFECT OF IRRIGATION LEVELS AND RICE STRAW COMPOST RATES ON YIELD, CHEMICAL COMPOSITION AND WATER USE EFFICIENCY OF CABBAGE (Brassica oleraceae var. Capitata L.)

“…In the same line, Yamazaki and Roppongi (1998) and El-Shabrawy et al (2005) reported that organic manure increased N, P and K contents in head cabbage. However, Zahradník and Petříková (2007) found that application of compost had no significant effect on K content in cabbage leaves. As regard to nitrate accumulation, these data are in harmony with those obtained by Rubeiz et al (1993) who reported that organic produced cabbage contained a high concentration of NO3.…”