Agriculture · Soil Science
कृषि योग्य मिट्टी में प्रयोग किए जाने पर निम्नलिखित में से कौन एक धीमे-मुक्त (slow-release) पोषक तत्व स्रोत के रूप में कार्य करता है?
- 1अमोनियम नाइट्रेट
- 2रॉक फॉस्फेट✓
- 3NPK जटिल उर्वरक
- 4यूरिया
सही उत्तर देखें
रॉक फॉस्फेट
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