Additional fertilization of winter wheat through leaves
2001
Shiuliauskas, A. | Vagusevichiene, I. | Liakas, V. (Lithuanian University of Agriculture, Kaunas (Lithuania). Dept. of Plant Crop Production)
In the period of 1995-2000 experiments on winter wheat additional fertilization through leaves and use of growth regulators were carried out in the Experimental Station of the Lithuanian University of Agriculture. The first series of experiments (1995-1997) investigated the influence of fertilization rate and times on winter wheat yield and chemical composition of grains when growing plants according to the technologies of medium intensity. The second series of experiments (1998-2000) investigated issues of additional fertilization in the field of highly intensive technologies. Nitrogen rate of 30 kg/ha and fertilization two times in the beginning of milky ripenees were established to be the best for additional winter wheat fertilization through leaves. This rate of fertilization increased the yield from 4,27 to 4,48 t/ha at the medium intensive technologies, and from 7,50 to 8,54 t/ha in the field where highly intensive technologies were applied. Protein content in grains increased from 11,01 to 12,68 per cent and from 13,87 to 15,29 per cent correspondingly. In the fields of intensive technologies plants fertilization with complex microelement nutrifol and growth regulator cycoceli applared to be highly efficient. In this variant the average wheat yield reached even 9,38 t/ha. The grains had 15,10 per cent of proteins and 30,06 per cent of gluten
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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