Control of weeds of forage crops can be carried out by the following methods except

The soil nutrient which is important as a constituent of plant proteins and hormones is

In the process of recycling carbon in nature, carbondioxide is used by crops during

Which of the following statement about crop rotation is not correct?

Which of the following is a day-neutral crop?

Which of the following is not component of soil?

Land tenure system is a process of

The disadvantages of land fragmentation include the following except

Which of the following is the best way to reduce surface run-off on farmlands?