ACÚMULO DE NUTRIENTES NAS PLANTAS DE MILHETO EM FUNÇÃO DA ADUBAÇÃO ORGÂNICA E MINERAL
2009
Wladimir Nicolau Sobrinho | Rivaldo Vital dos Santos | José Carlos Menezes Júnior | Jacob Silva Souto
A field experiment was carried out at the UFCG/CSTR Experimental Station NUPEARIDO in order to evaluate the influence of organic and mineral fertilization on pearl millet (Pennisetum glaucum L.) production. After plot demarcation, macassar bean was sown and incorporated in the soil in the respective plots after x days of plant development. Treatments were control, green manure, NPK, cattle manure or goat manure, with four replications, totaling 20 plots, each one with 8 m2 of net inner area. Pear millet plants were grown in a 0.8 x 0.4 m2 grid. Cattle or goat manure was applied at a rate of 3.4 kg m-2, green manure at a rate of 12.5 kg plot-1, and the mineral source consisted of 25.2 g m-2 of ammonium sulphate, 22.2 g m-2 of single superphosphate and 3.3 g m-2 of potassium chloride. Plants were cut 60 days after seeding to evaluate N, P, K, Ca, Mg, S, B, Fe, Cu, Mn, and Zn accumulation. Fertilization with cattle or goat manure promoted more nutrient accumulation pearl millet plants.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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