What was the Worker Population Ratio (WPR) for males

Level of optimum production is available at

The bacteria responsible for oxidizing Fe2+ - Fe3+ (ferrous to ferric form) under acidic  environment is_?

Which type of microbial inoculant is used to improve the availability of phosphorus to plants in soil with low phosphorus content?

Soil structural units having horizontal axis much longer than vertical axis. Such type of soil structure is known as

Which of the following is an extra early maturing variety of pigeon pea?

Biological control of apple woolly aphid is _____

The optimum temperature for growth and head of cabbage is ________

The main pigment responsible for photosynthesis is:

By product after cream separation process is

The branch of Horticulture that deals with the cultivation of vegetables is called