1994The damage to the stem of maize plants resulting in hollowness and lodging is most likely caused bySee more
1994What is the effect of applying pressure on a ring inserted through the nostril of a bull?See more
1994An effective way of preventing anaemia in piglets raised under intensive system is to provide them withSee more
1994Which type of soil is usually preferred in terms of chemical properties in siting fish ponds?See more