International Review of the Science and Practice of Agriculture, Volume 11

1919 in Canada acid acre Africa Agricultural alfalfa alfalfa hay animals average beans bran breed Bulletin calcium carbonate cattle Cephus cinctus Chloropicrin clover colour cost cotton cottonseed meal cows crop cultivation dairy disease effect eggs experiments export extracts factors farm feeding fertilisers fibre flowering forest France fruit germination grain growth hectare horses hybrids important increase India Indo-China insects irrigation Italy labour Lantana leaves linseed machine maize manure meal method milk Morocco nitrogen oats obtained Parasite Paris percentage period phosphate phosphoric acid pigs plantations plants plough pollen-tube Porto Rico potash Potato production protein quantity rainfall ration resistance Rice Rieti rubber salt seed Selection sheep silage soil sowing species Station Sugar Cane sulphate sulphur temperature tion tractor trees United Utilisation varieties Vine vitamine weight wheat yield Zanzibar