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Sum of weights of 18 persons = 40 × 18 = 720 kg Sum of weights of 19 persons = (40 + 4) × 19 = 836 kg Weight of new person = 836 – 720 = 116 kg
Sand drawn disease in tobacco is caused due to the deficiency of ____
The root nodule of legumes contain a pink pigment which has affinity for oxygen is
The addition of which substance is LEAST likely to result in immediate nitrogen loss from the soil?
The most suitable soil type for groundnut cultivation is _____
Microbe involved in biological oxidation of ammonium ion to nitrite ion is
The critical nutrient range in the context of soil fertility is explained by?
…………………..measures the proportion of cation exchange sites occupied by sodium.
The soil colour is determined through Munsell colour chart. It has three components Hue, Value and Chroma. value represents
What is the color of the tag used for certified seed?
In water logged soils maximum microbes found are
