Iron deficiency chlorosis shows interveinal yellowing (chlorosis) while veins remain green. This is common in alkaline soils and requires iron-chelate application. Other deficiencies show different symptoms.

Rajendra Agricultural University (RAU) located at Pusa in Bihar is the premier agricultural research institution for the state, conducting research on crops suited to Bihar's agro-climatic conditions.

Calculation: Pure nitrogen = 50 kg × (46/100) = 50 × 0.46 = 23 kg of pure nitrogen per hectare. This is important for meeting nitrogen requirements in rice-wheat cropping systems.

Drip irrigation reduces fertilizer runoff by delivering water and nutrients directly to plant roots. It conserves water, reduces weeds, and improves yields - making option B the only non-benefit.

Intercropping is the simultaneous cultivation of multiple crops on the same field to maximize land use and reduce pest incidence. Crop rotation involves sequential planting of different crops.

The Directorate of Economics and Statistics under the Department of Agriculture & Cooperation publishes 'Agricultural Statistics at a Glance' annually with comprehensive agricultural data.

The scheme targets both rural and urban populations below the poverty line to ensure universal food security through grain distribution.

ZBNF aims to reduce farming costs by minimizing external input purchases through on-farm resource management, though it does not eliminate all costs or guarantee specific yields.

KCC facilitates credit for agricultural production (seeds, fertilizers, pesticides), farm maintenance, and agricultural asset acquisition with simplified documentation.

Uttar Pradesh is the second-largest sugarcane producing state in India after Maharashtra, contributing significantly to the national sugarcane production.