ÇELTIK Oryza sativa L. 'TE ÇINKO-DEMIR İLİŞKİSİ

Çeltikte çinko-demir ili şkisini belirlemek amacıyla, alüviyal büyük toprak grubundan al ınan ve bitkiye elverişli çinko kapsamı 0.4 ppm Zn olan toprak ile sera ko şullannda deneme yürütülmüştür. Toprağa çinko, ZnC12 7H20 şeklinde 0, 2.5, 5.0 ve 10.0 ppm Zn düzeylerinde, demir, FeSO4 şeklinde 0, 5.0, 10.0 ve 15.0 ppm Fe düzeylerinde uygulanmıştır. Çeltik bitkisinin kuru madde miktarları artan çinko uygulamasıyla % 21, 34 ve 44, artan demir uygulaması ile de % 7, 11 ve 6 oran ında artmıştır. Deneme bitkisinin çinko kapsamı uygulanan çinkolu gübrelemeye bağlı olarak % 49.6, 89.5 ve 126.0 artarken, demir kapsamı ise % 16.1, 27.2 ve 36.2 azalm ıştır. Demirli gübreleme ile çeltik bitkisinin demir kapsamı % 26.1, 66.0 ve 105.9 artmış, buna karşılık çinko kapsamı % 15.7, 28.6 ve 42.6 azalmıştı r.

Anahtar Kelimeler:

Çeltik , çinko, demir.

THE RELATIONSHIPS BETWEEN ZINC AND IRON ON RICE Oryza sativa L. PLANT

Zinc-iron relationships in rice plants were investigated under greenhouse conditions with taken from aluvial soil which has been contained available of 0.4 ppm zinc. Zinc and iron were applied in the amounts of O. 2.5, 5.0 and 10.0 ppm Zn levels as ZnCl2 7H20, and 0, 5.0, 10.0 and 15.0 ppm Fe levels as FeSO4 . Dry weights of the rice plants were increased by the zinc treatments, 21 %, 34 % and 44 %, and the iron treatments increased it , 7 %, 11 % and 6 %, respectively. Increasing levels of zinc increased zinc contents of the experimental plants, 49.6 %, 89.5 % and 126.0 %,. While iron contents were decreased, 16.1 %, 27.2 % and 36.2 %, by the zinc treatments. Iron treatments increased iron content of the rice plants, 26.1 %, 66.0 % and 105.9 %,. However, it decreased zinc content, 15.7 %, 28.6 % and 42.6 %, respectively.

Keywords:

Rice, zinc, iron.,

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