Search Publications
Filter by:
Author(s): MALARD, P. F.; PEIXER, M. A. S.; GRAZIA, J. G.; BRUNEL, H. dos S. S.; FERES, L. F.; VILLARROEL, C. L.; SIQUEIRA, L. G. B.; DODE, M. A. N.; POGUE, R.; VIANA, J. H. M.; CARVALHO, J. L. Valuable female cattle are continuously subject to follicular puncture (ovum pick-up - OPU). This technique is commonly used for in-vitro embryo production, but may result in ovarian lesion. Mesenchym... ... |
Author(s): GIROTO, A. S.; VALLE, S. F. do; GUIMARÃES, G. G. F.; WUYTS, N.; OHREM, B.; JABLONOWSKI, N. D.; RIBEIRO, C.; MATTOSO, L. H. C. Agricultural output needs significant increases to feed the growing population. Fertilizers are essential for plant production systems, with nitrogen (N) being the most limiting nutrient for plant gro... ... |
Author(s): BERNARDI, A. C. de C.; MOTA, E. P da; SOUZA, S. do C. H. de; CARDOSO, R. D.; OLIVEIRA, P. P. A. The nitrogen loss by ammonia volatilization is one of the main factors for low efficiency of N-urea applied on the soil surface. The reduction of losses by volatilization can be obtained with the addi... ... |
Author(s): ALVES, A. C.; OLIVEIRA, P. P. A.; HERLING, V. R.; TREVELIN, P. C.; LUZ, P. H. DE C.; ALVES, T. C.; ROCHETTI, R. C.; BARIONI JUNIOR, W. Gaseous N losses from soil are considerable, resulting mostly from ammonia volatilization linked to agricultural activities such as pasture fertilization. The use of simple and accessible measurement... ... |
Author(s): PACKER, A. P.; RAMOS, N. P.; CABRAL, O. M. R.; SILVA, L. R. da; MOLTOCARO, R. C. R.; BETTANIN, V. C.; MORASI, I. M.; AMARO, A. R. F. V. B. de L.; TEIXEIRA, W. G. Coffee is a key global crop and the second most valuable commodity exported by developing countries, worth around US$19 billion in 2015. Counting with the world\s largest production of coffee, Brazil... ... |
Author(s): BERNARDI, A. C. de C.; OLIVEIRA, P. P. A.; MONTE, M. B. de; POLIDORO, J. C.; SOUZA-BARROS, F. Zeolites are hydrated crystalline aluminosilicate minerals of alkaline and alkaline earth metals, structured in rigid three dimension nets, organized by AlO4 and SiO4 tetrahedral and are of natural oc... ... |
Author(s): PUGA, A. P.; CARVALHO, C. S.; LIGO, M. A. V.; PIRES, A. M. M.; PEREIRA NETO, B. G.; ANDRADE, C. A. de Ammonia (NH3) volatilization results in low N use efficiency by crops. The aim of this study were to evaluate NH3 volatilization from nitrogen fertilizer formulated (F) with biochar (BC). In a incubat... ... |
Author(s): VANIN, A.; MENEZES, J. F. S.; BENITES, V. de M.; SIMON, G. A. The objective of this study was to measure ammonia volatilization from surface application of pig slurry, poultry litter, urea and no fertilization. An experiment was conducted in a randomized block d... ... |
Author(s): CARVALHO, T. A. de; PUGA, A. P.; PIRES, A. M. M.; LIGO, M. A. V.; ANDRADE, C. A. de Abstract: Biochar-based nitrogen fertilizers provide productivity and efficiency of nitrogen use gains, but knowledge is scarce about the residual effect for subsequent crops. We evaluated the residua... ... |
Author(s): LOURENÇO, K. S.; ERNANI, P. R.; CORREA, J. C.; SULIAN JUNKES DAL MOLIN; LOURENÇO, L. S. Abstract: Quantification of ammonia volatilization after addition of animal residues and nitrogen (N) mineral fertilizers to the soil is important for N management in fertilization programs. The objec... ... |
Observation
Some of Embrapa's publications are published as ePub files. To read them, use or download one of the following free software options to your computer or mobile device. Android: Google Play Books; IOS: iBooks; Windows and Linux: Calibre.
Access other publications
Access the Agricultural Research Database (BDPA) to consult Embrapa's full library collection and records.
Visit Embrapa Bookstore to purchase books and other publications sold by Embrapa.