Green manure refers to
Find out the correct sentence about manure
(i) Manure contains large quantities of organic matter and small quantities of nutrients.
(ii) It increases the water holding capacity of sandy soil.
(iii) It helps in draining out of excess of water from clayey soil.
(iv) It excessive use pollutes environment because it is made of animal excretory waste.
Statement (i) and (ii) are correct because manure is prepared from the break- down of plant and animal waste products. Hence it is rich in organic matter. Manure contributes to the fertility of the soil by adding organic - matter and some essential nutrients like N, P and K which helps in enhancing growth of plants. Manure makes the clayey soil aerated because of their small - pores and increase the water holding capacity of the sandy soil due to their large pore size.
Plants can be made disease-resistant by
Which one is an oil yielding plant among the following?
Induced breeding is used to increase the production of
Induced breeding is a technique by which the economically important fish ( which generally, do not breed in captive condition) are bred through artificial stimulation. Induced breeding is a technique whereby ripe fish breeders are stimulated by pituitary hormone or any other.
Cattle husbandry is done for title following purposes
(i) Milk production
(ii) Agricultural work
(iii) Meat production
(iv) Egg production
Cattle husbandry is defined as the management of cattle by humans for monetary gains, yielding good quality and quantity milk, help in agriculture and farming and give a huge quantity of meat.
The milch animals like buffaloes, cow, she-goat gives milk and the other cattle which do not give milk like bulls are called draught animals as they help in farming like tilling, cart driving and irrigation.
Cattle husbandry includes only cattle and not hen and duck hence no egg production happens. therefore (i), (ii) and (iii) points are correct but the (iv) point is incorrect.
Arrange the following animal food products which contain more fats, more proteins and least fat (among them) and choose the set that contains the right option in the above said orde
Which one of the following nutrients is not available in fertilisers?
Inland fishery refers to
Which of the following are exotic breeds?
(iii) Brown Swiss
(iv) Jersey Swiss