MALÇLAMANIN NİĞDE YÖRESİNDEKİ METAMORFİK ANAMATERYAL ÜZERİNDE GELİŞEN TOPRAKLARDAN YÜZEYSEL AKIŞLA NİTRAT VE AMONYUM TAŞINMASI ÜZERİNDEKİ ETKİSİ

Yıl 2018, , 1054 - 1059, 28.12.2018

Selma Yaşar Korkanç Halil Şahin

https://doi.org/10.28948/ngumuh.502093

Öz

Ekosistemlerin
devamlılığı açısından toprak ve su kaynaklarında yaşanan problemler önemli
birer tehdit olarak karşımıza çıkmaktadır. Erozyon toprağın verimliliğini
azalttığı gibi, erozyonla taşınan besin maddeleri yüzeysel akışla taşınarak su
kaynaklarında da olumsuz etkilere neden olabilmektedir. Su erozyonunu
engellemek amacıyla tüm dünyada çeşitli toprak koruma önlemleri
uygulanmaktadır. Bu önlemlerden birisi de toprak yüzeyine malç uygulamasıdır.
Bu çalışmanın amacı, metamorfik ana kaya üzerinde gelişen topraklara
laboratuvarda yapay yağış koşulları altında farklı malç ve doz uygulamalarının
yüzeysel akışla nitrat ve amonyum taşınımı üzerinde etkilerini ortaya
koymaktır. Bu amaçla laboratuvar koşulları altında oluşturulan yüzeysel akış
parsellerine 2, 4, 6 ton/ha saman, ot ve yer fıstığı malçı uygulanmıştır. Yağış
şiddeti 97 mm/sa olup, yapay yağış 1 saat süre ile uygulanmıştır. Uygulama
sırasında oluşan yüzeysel akış suyu toplanmış ve nitrat ve amonyum
parametreleri ölçülmüştür. Çalışma sonucunda amonyum taşınımında saman ve
fıstık malçının 3.doz (6 ton/ha, nitrat taşınımında da fıstık malçının önemli
düzeyde azaltıcı etki yaptığı bulunmuştur. 

Anahtar Kelimeler

malçlama, yapay yağış, besin maddesi, nitrat, yüzeysel akış

EFFECTS OF MULCHING ON THE NITRATE AND AMMONIUM FLUXES THROUGH RUNOFF FROM SOILS DEVELOPED ON METAMORFIC PARENT MATERIAL IN NİĞDE PROVINCE

Öz

In terms of the sustainability of ecosystems,
problems associated with  soil and water
resources appear to be an important environmental threat. In addition to
reducing  soil fertility, soil erosion
can cause soil nutrient losses and hence contamination of water resources by
runoff. Various soil protection practices are carried out all over the world to
prevent soil  erosion. One of these
applications is to cover soil surface with mulch. The aim of this study is to
determine the effects of different mulch materials and dose applications on
nitrate and ammonium transport under simulated rainfall conditions in the
laboratory conditions. For this purpose, three mulch rates (2, 4, 6 t/ha) and
three mulch types (straw, dry weed and peanut hay) were studied and compared to
un-mulched plots.The rainfall intensity was 97 mm/h. The surface runoff  formed during the application was collected
and and analyzed for nitrate and ammonium losses. As a result of the study, it
was found that straw and peanut hay mulching decreased  ammonium transportation and peanut hay
mulching decreased the nitrate transportation. In addition 6 t / ha mulch
application was found to reduce ammonium transportation.

Anahtar Kelimeler

mulching, simulated rainfall, nutrient, nitrate, surface runoff

Kaynakça

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