Question
The sodium absorption rate (SAR) of water considered
suitable for irrigation is?Solution
SAR < 10 Â considered suitable for irrigation. Sodium-ion in small amounts is good for plants. But excess sodium ion creates the problem for both plant and soil. Excess sodium contributes to salinity and it is toxic for some sensitive crops.
Under PMAY- G, the size of a unit house, which includes a hygienic place for cooking is __
Groundnut aphid (Aphis craccivora) apart from ground nut it is a serious pest of
The tissue that makes up the bulk of the plant body and performs various functions such as storage and support is called:
By radioactive carbon method the age of the fossil can be determined upto:
The actual quantity of a commodity that is available with the farmer after meeting his basic requirements is _________.
Which of the following tree species fixes nitrogen in atmosphere?
Name the place which is used for feeding of calves , lambs, an piglets, but not used for adults ?
A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation. Which one of the follow...
Mouldboard plough is classified under:
On which item was more than 60% of agricultural taxes spent in 15th century India?