Growth of Dalbergia miscolobium seedling in quartzite mining reject substrate, with fertilization

Abstract

Growth of Dalbergia miscolobium Benth was evaluate under quartzite mining reject with chemical and organic fertilization, aiming at to support actions for restoration of degraded areas after quartzite mining. A greenhouse experimentation was carried out in a completely randomized design with four replications The treatments consisted of five combinations of chemical (CF) and organic (OF) fertilizer and an additional treatment without CF or OF (Control). The combinations were: 100%CF; 25%OF+75%CF; 50%OF+50%CF; 75%OF+25%CF; 100%OF. Doses of 100% CF and OF were of 25 mg N, 25 mg P2O5, 20 mg K2O and 5 g of bovine manure per dm³ of reject. The plants of D. miscolobium responded to chemical fertilization with recommended doses, without addition of bovine manure. The accumulation of nutrients at recommended doses in shoots of D. miscolobium were: N > K > Ca > S > P > Mg > Mn > Fe > Cu > B > Zn. The quartzite mining reject of may be a favorable habitat for D. miscolobium growth when with chemical  fertilization.