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Since the first periodic plan, the government of Nepal has strongly emphasized the agricultural sector. This paper aims to provide an overview of the agriculture sector in different periodic plans implemented in Nepal. Agriculture gets the first priority for the first time by allocating the all-time highest proportion (34.8 %) of total outlay in the fifth periodic plan. National concern for the environment, sustainable development, and organic agriculture arises in the eighth periodic plan. The Agriculture Perspective Plan was implemented from the ninth five-year plan, which was able to achieve annual 3.2% AGDP growth against the set target of 4.7%. The fourteenth plan was quite satisfactory compared to other plans in terms of achieving an annual average economic and agricultural growth rate of 6.9% and 4.2% against the set target of 7.2% and 4.7%, respectively. Nine five-year plans and five-three-year plans have been successfully implemented till now. Despite these planned efforts, there is the dismal performance of the agricultural sector in Nepal. The fifteenth five-year plan is an ongoing plan that has national strategies to improve agriculture production and productivity through mechanization, modernization, commercialization, and industrialization. This review helps to identify the performance of the agriculture sector and the gaps or constraints in different plans. Thus, it aids in identifying policies and sectorial programs that the economy requires in the future.

A field experiment was conducted at Bangaun, Lamahi-3, Dang, Nepal to study the effect of GA3 on growth and flowering attributes of African marigold (Tagetes erecta) in Inner Terai of Nepal. The experiment consists of three replications and 8 treatments and laid out in a randomized complete block design- consisting of various concentrations of GA3 viz. 0ppm, 50ppm, 100ppm, 150ppm, 200ppm, 250ppm, 300ppm, and 350ppm. Kolkata local variety of African marigold was tested. The study revealed that among different concentrations of GA3, 300ppm showed the tallest plant height (72.93cm) and the highest basal diameter (1.49cm). Maximum numbers of primary branches (3.11) and the greatest plant spread (32.11cm) were obtained from 250ppm; similarly, maximum numbers of secondary branches (13.80) were recorded in 350ppm. In the case of floral parameters both 100ppm and 350ppm recorded earlier days to 50% flowering (44.00 days each), days for 100% flowering was recorded almost similar in every treatment that sticks around 54 and 55 days, maximum diameter (5.370cm) of flowers were obtained from 50ppm, the greatest fresh weight (6.180g) was recorded in 350ppm, 250ppm showed a maximum number of flower per plant (104.13), similarly, a longer duration of flowering (58 days) was recorded in 300ppm. Among all treatments, the 250ppm level of GA3 was found to be most suitable in terms of production perspective.