KB Agri Classes

 नीम का तेल: फसल के कीटों के विरुद्ध प्रकृति का मूक योद्धा ज़्यादातर किसान जानते हैं कि नीम का तेल "पौधों के लिए अच्छा" है, लेकिन बहुत कम लोग इसके वास्तविक आँकड़े जानते हैं। इष्टतम क्षमता: 1500-3000 पीपीएम (एज़ाडिरेक्टिन सामग्री) लक्ष्य: एफिड्स, व्हाइटफ़्लाइज़, मीलीबग्स, थ्रिप्स, कैटरपिलर, माइट्स और स्केल कीट। यह कैसे काम करता है? नीम का तेल तुरंत नहीं मारता। बल्कि, यह कीटों के भोजन और प्रजनन को बाधित करता है। कुछ ही दिनों में, कीट खाना और अंडे देना बंद कर देते हैं, और धीरे-धीरे गायब हो जाते हैं, और ये सब लेडीबग्स और मधुमक्खियों जैसे लाभकारी कीटों को नुकसान पहुँचाए बिना। यह क्यों महत्वपूर्ण है: 100% प्राकृतिक और जैव-निम्नीकरणीय मिट्टी, पानी और परागणकों के लिए सुरक्षित अवशेष-मुक्त, जैविक खेती के लिए उत्तम किसानों के लिए, इसका मतलब कीट नियंत्रण से कहीं अधिक है, यह आपकी फसलों और आपकी ज़मीन को अगली पीढ़ी के लिए सुरक्षित रखने के बारे में है।  प्रो टिप: लगातार परिणाम पाने के लिए हमेशा एज़ाडिरेक्टिन की गारंटीशुदा मात्रा वाला कोल्ड-प्रेस्ड नीम तेल चुनें। क्या आपने अपने खेत में नीम का...

Whitefly, a significant pest of tomato crops Tomato Whitefly -Bemisia tabaci Life cycle·  Females lay up to 150 eggs each attached to the underside of younger leaves. Eggs hatch in eight to ten days.  ·Eggs hatch into a first instar nymphal stage that has legs and antennae and is mobile; travels a short distance before settling to feed on plant tissue.  ·There are four nymphal stages. The second and third instar nymphs are stationary and remain attached to the leaf surface, and have a scale-like appearance. They continue feeding until developing into the fourth and final nymphal stage.  ·The fourth nymphal instar, often called the pupa or the red-eyed nymph, is the easiest to identify. ·The active adult whitefly is largely responsible for virus spread from plant to plant. It takes 18 to 28 days from egg to adult in warm weather and 30 to 48 days in winter.  Damage causing stages:  Second and third instar larval stages that feed on the leaves and suck sap....

  Answer :- William Kirby William Kirby is father of entomology in England also called William Kirby was a prominent English clergyman, entomologist, and author of the late 18th and early 19th centuries. His contributions spanned various fields, from religious studies to natural history. Kirby's life was marked by his dedication to both the church and the scientific community, making him a notable figure of his time. Born on September 19, 1759, in Witnesham, Suffolk, England, Kirby showed early signs of intellectual curiosity.  He attended school at Ipswich and later studied at Caius College, Cambridge.  His interest in the natural world grew during his time at the university, where he began studying insects, a passion that would shape his future career. In 1780, Kirby took holy orders and became a clergyman in the Church of England.  He served as a curate in various parishes, including Barham and Badingham, and eventually became rector of Barham.  Throughout h...