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<p style="text-align:justify"><span style="font-size:16px">Although Resource Conservation Technologies (RCT) has emerged globally as a new paradigm to achieve goals of sustainable production, such unique culture is already in practice in the most remote state of North Eastern Region of India i.e. Arunachal Pradesh, particularly in Lohit and Anjaw districts. The practice of RCT in the form of incorporation of rice (<em>Oryza sativa</em>) residue and weed biomass as a source of nutrient is predominant in these districts where no chemical fertilizer and pesticide is applied. In transplanted rice 2/3<sup>rd</sup> residue is left in the field and recycled for nutrient supply where average rice yield of 2.3-2.7 t/ha is obtained. In this practice, average soil organic carbon level of 1.16% is maintained compared to 0.82% in rice fields without residue management. Such practice has the nutrient potential of 23.5 kg N, 8.6 kg P<sub>2</sub>0<sub>5</sub> and 48.5 kg K<sub>2</sub>0/ha, respectively and contributes to yield stabilization. The nutrient recycled through management of weed biomass (5.8 to 7.2 t/ha) is about 91.1 kg N, 15 kg P<sub>2</sub>0<sub>5</sub> and 87 kg K<sub>2</sub>0/ha. Farmers also get similar advantage in terms of nutrient enrichment of soil when they keep the field fallow after every 3-4 years of rice cultivation. Incorporation of fresh <span style="color:black">ricebean (<em>Vigna umbellata</em>) </span>biomass (10-12 t/ha) in ginger (<em><span style="color:black">Zingiber officinale</span></em>) field is also another traditional in-<em>situ</em> soil fertility management practice in Anjaw district of Arunachal Pradesh, where farmers are getting 20-25% higher ginger rhizome yield than without practicing green manuring. Thus, the study concluded that the RCT measures have been adopted by the North eastern farmers since ancient time which needs to blended with the modern farming practices for sustainable agriculture.</span></p>

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<p style="text-align:justify"><span style="font-size:16px"><strong>P.K. Ghosh</strong></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR Research Complex for NEH Region, Umiam, Meghalaya, INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR, Krishi Anusandhan Bhavan, New Delhi, INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><strong>Anup Das<sup>*</sup></strong></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR Research Complex for NEH Region, Umiam, Meghalaya, INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR Research Complex for NEH Region, Tripura Centre, Lembucherra, Agartala, Tripura, INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><strong>A. Pattanayak</strong></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR Research Complex for NEH Region, Umiam, Meghalaya, INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR-<strong><em> </em></strong><span style="background-color:white"><span style="color:#222222">Vivekananda Parvatiya Krishi Anusandhan Sansthan, Uttarakhand, </span></span>INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><strong>R. Bhagwati</strong></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR Research Complex for NEH Region, Arunachal Pradesh Centre, Basar, Arunachal Pradesh, INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em><span style="background-color:white"><span style="color:#222222">ICAR- Indian Institute of Rice Research, Gerua, Assam, </span></span>INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><strong>A.K. Tripathi</strong></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR Research Complex for NEH Region, Umiam, Meghalaya, INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR-Agricultural Technology Application and Research Institute, Guwahati, Assam, INDIA</em></span></p>

<p style="text-align:justify"><span style="font-size:16px"><strong>S.V. Ngachan</strong></span></p>

<p style="text-align:justify"><span style="font-size:16px"><em>ICAR Research Complex for NEH Region, Umiam, Meghalaya, INDIA</em></span></p>

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