نفذت تجربة في العراق محافظة واسط مدينة النعمانية عام 2021 في تربة طينية ذات ملوحة تزيد عن 4 ديسيمتر- 1، pH 7. لمعرفة تأثير تقليل مياه الري وتقليل كمية الأسمدة المعدنية في التربة الملوحة وبعض صفات النمو وحاصل محصول القمح. تضمنت التجربة على عاملين، شمل العامل الأول نظامين للري وهما الري السطحي والري بالرش، بينما شمل العامل الثاني أربعة مستويات من التسميد p1، p2، p3، p4 بكميات 200، 250، 350، 450 كغم | هكتار على التوالي P4 (450) كجم | هكتار وأظهرت النتائج والتحليل الإحصائي الري بالرش بـ r2 والتسميد p4 بجرعة 450 كغ | وتفوق الهكتار في الري السطحي وانخفاض جرعات الأسمدة في عدد حبوب السنبلة ووزن 1000 ووزن الحبوب بالمتر المربع ومؤشر الحصاد. نفذت التجربة بتصميم القطع المجزأة بثلاث مكررات، وتضمنت الدراسة ثماني معاملات في كل مكررة.
An experiment was carried out in Iraq, Wasit Governorate, Numaniyah city in 2021 in clay soil with a salinity of more than 4 decimeters- 1, pH 7. To find out the effect of reducing irrigation water and reducing the amount of mineral fertilizer on soil salinity and some growth characteristics and yield of wheat crop. The experiment included On two factors, the first factor included two irrigation systems, namely surface irrigation and sprinkler irrigation, while the second factor included four levels of fertilization p1, p2, p3, p4 in quantities of 200, 250, 350, 450 kg | hectares respectively P4 (450) kg | hectares The results and statistical analysis showed Show irrigation by spraying r2 and fertilizing p4 at a dose of 450 kg | Hectares outperformed in surface irrigation and lower fertilizer doses in the number of spike grains and the weight of 1000, Grain weight in square meters and harvest index. The experiment was carried out in a splat- plot design with three replicates, and the study included eight treatments in each replicate.
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