Seven persons, M, N, O, P, Q, R and S are of different weights. Only Q is lighter than O. P is heavier than M. R is heavier than N. P is not heavier than N. Number of persons heavier than P is equal to the number of persons lighter than S. How many persons are lighter than S?
R > N > P > M > S > O > Q
Kaolinite is
The silk fibres are held together in cocoon by a substance known as……………………
The indicator plant for zinc deficiency is ____
The Indian seed act was passed in the year
What chemical process results in the breakdown of silicate minerals by water, leading to the formation of clay minerals and soluble substances?
What is soil sickness?
Reward of land is
According to USDA classification of salt affected soils; a soil having EC >4 mmho/cm; ESP >15; pH
The soil amendment used for the reclamation of Sodic soil is
Under Soil Health Card Scheme, what is the cycle of testing of soil for irrigated area and area from which single sample is to be drawn?
