Serdar KARADAŞ, Ercan CEYHAN

Determination of the effects of organic and chemical fertilization on grain yield and some agricultural characteristics of pea

Pea (Pisum sativum L.) plant, a legume species, is used as a vegetable for fresh consumption and frozen, canned or dried and processed and consumed as dry grain. The effects of organic fertilization, which is important for plant nutrition and soil fertility in pea cultivation, on grain yield and some agricultural characteristics were investigated. The experiment was carried out in the experiment field belonging to Selçuk University, Faculty of Agriculture, Prof. Dr. Abdülkadir AKÇİN Research and Application Station in 2021 according to the "Split Plots Experiment in Randomized Blocks" design with 3 replications. In the research, fertilizers were randomly placed in the main plots and varieties were randomly placed in the sub-plots. In the experiment, high yielding 16002, 16011, 16018, 16022 and Ultrello x Rondo genotypes suitable for fresh consumption and registered Betagreen pea variety were used as materials. Grain yield, some agronomic traits, protein yield and protein ratio were analyzed in the study. It was determined that the effects of chemical fertilizer and some organic fertilizer applications on all other traits examined in peas were statistically significant. According to the results of the research, the number of branches in pea plants was 3.18 pieces/plant (control) and 4.13 pieces/plant (chemical fertilizer), plant height was 45.89 cm (sheep manure) and 49.51 cm (chemical fertilizer), the number of pods was 14.31 pieces/plant (control) and 25.90 pieces/plant (chemical fertilizer), the number of grains in pods was 4.90 pieces (control) and 6.64 pieces (chemical fertilizer), the number of grains per plant was 70. 03 (control) to 172.20 (chemical fertilizer), hundred seed weight 29.30 g (control) to 33.22 g (chemical fertilizer), grain yield 128.75 kg da-1 (control) to 300.38 kg da-1 (chemical fertilizer), protein content 22.49% (control) to 23.12% (sheep manure) and protein yield 28.96 kg da-1 (control) to 67.91 kg da-1 (chemical fertilizer). The responses of genotypes to organic fertilizer applications showed differences. As a result, it was determined that organic fertilization in peas gave less grain yield than those grown with chemical fertilization, but protein content had higher values. This showed that organic fertilization is a sustainable and environmentally friendly option for pea cultivation.

Keywords:

Chemical fertilizer pea, organic fertilizers,

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