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The correct answer is D
The critical limit for NO3-N (mg/litre) in drinking water (as per WHO standard is:
Which are of the following stages of a crop are more prone to weed competition?
Which among the following is a goal of landscaping?
If grain and straw yields are 4 and 6 t/ha, respectively, the harvest index will be
Which process involves the deposition of leached materials in lower soil horizons?
To reduce exposure to uncertain crop yields and price volatility, a farmer often engages in:
What is Jeevamrutha in Zero Budget Natural Farming?
Which of the following is a floating weed?
TDN stands for:
National Bureau of fish genetic resource situated at ___