Workable time and the weather / J. H. PortiekEffect of stall-sizes and equipment of herringbone milking parlours on the working conditions of the milker / K. Maatje, D. SwierstraGrowing horticultural crops in rockwool and nutrient film / F. L. J. A. W. VerwerA description method for mouldboard shapes / G. J. Poesse, M. C. SprongConcentrate feeding outside the milking parlour / W. Rossing, G. Enneman, P. Ploegaert ... [et al.]Detecting oestrus by measuring milk temperatures of dairy cows during milking / K. Maatje, W. RossingPower requirements of rotary tiller blades in clay and sandy soils / H.J. BuremaMeasuring device for the determination of the emissivity of non transparant surfaces / J.A. Stoffers, A.M.G. van den KieboomEffect of the diameter of the long-pulse tube on the pulsator curve / M.A. v.d. Brandt, W. RossingPatternator for complete sprayer research / J. Frederiks, P. SonneveldOdourless land application of slurry / A. H. Bosma, J. V. Klarenbeek, R. Krause [et al.]Automation of dairy farm management / Institute of Agricultural Engineering ; a joint issue with Research Institute for Animal Production (IVO), Experimental Research and Advisory Station for Animal Husbandry (PR)Calculation of the amount of energy released by heating pipes in a greenhouse and its allocation between convection and radiation / Cecilia StanghelliniForcing functions in greenhouse climate and their effect on transpiration of crops / Cecilia Stanghellini