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Mung bean ( Vigna radiata L.) is a multipurpose pulse crop, mostly cultivated as a catch crop in fallow land during the spring season between wheat and rice crops. An experiment entitled “Effect of nutrient sources on growth and yield performance of mung bean at western terai, Nepal” was conducted at the Agronomy Research Farm of Paklihawa Campus during April to July 2023 to improve the production of mung bean with the application of organic and inorganic nutrient sources. The field was laid out in a Randomized Complete Block Design with 8 treatments and 4 replications. Treatment structure consists of Control, Recommended Doses of Nitrogen (RDN) from Prilled Urea (PU), RDN + 25% from PU, RDN-25% from PU, RDN from Farm yard manure, RDN from Poultry manure, Nano urea, and Rhizobium inoculation. Results shows that poultry manure applied plots exhibited better growth and yield performance with higher shoot length (85.54cm), number of leaf plant -1 (13.72), leaf area index (2.26), crop growth rate (0.9910 g day -1 ), average number of branches plant -1 (2.9), number of pods plant -1 (22.38), pod length (8.08cm), average number of seeds pod -1 (7.22), thousand seeds weight (57.40 g), seed yield (1028 Kg ha -1 ), stalk yield (1650 Kg ha -1 ), biological yield (2678 Kg ha -1 ) and harvest index (38.38%) followed by Farm yard manure (FYM). FYM applied plots had better root length (23.66cm) and number of nodules (13.05). Organic nutrient application is better for short-duration crops like mung beans. Growth and yield increased with an increase in the dose of prilled urea, and hence, the actual yield of mung beans can be increased by increasing the dose of prilled urea above the government recommendation. For precise recommendations in a larger domain, a multi-seasonal and multi-location research is suggested.

Nitrogen fertilizer and plant density are considered some of the most important factors affecting phenology and grain yield of maize. Therefore, current study was conducted to assess the effects of nitrogen fertilizer application and plant density on phenology (days to tasseling, silking and maturity) and grain yield of maize (Variety: Rampur Composite) at Mangalpur VDC-3, Anandapur, Chitwan, Nepal during 2006-07 winter season. The five levels of nitrogen as 0, 50, 100, 150 and 200 kg N/ha and three levels of the plant population as 55555, 66666 and 83333 plants/ha were evaluated using two factorial randomized complete block design with three replications. The days of flowering (tasseling and silking) decreased with increasing nitrogen level up to 200 kg N/ha and increased with increasing level of plant population up to 83333 plants/ha). Physiological maturity and grain yield increased with increasing level of nitrogen up to 200 kg N/ha and plant population up to 83333 plants/ha. The highest grain yield (6925.79 kg/ha) was obtained with 200 kg N/ha + 66666 plants/ha. This study suggested that maize production can be maximized by cultivating maize with the use of 200 kg N/ha and maintaining the plant density of 66666 plants/ha.

The government of Nepal has recommended blanket fertilizer application for rice cultivation, which results in lower nutrient use efficiency (NUE) particularly under rainfed conditions. With the aim of finding an appropriate nutrient management practices concerning rice production and profitability, a field experiment was conducted during rainy season of 2017 and 2018 at Kavrepalanchowk and Dang district of Nepal. Altogether, five treatments comprising various nutrient management practices viz. Nutrient Expert Model (NE), use of Leaf Color Chart (LCC), Government Recommended Fertilizer Dose (GON), Farm Yard Manure (FYM), and Farmers’ Field Practice (FFP), were laid out in RCBD with four replications in farmers’ fields. The analysis of variance showed significant difference between treatments for test weight and grain yield in Kavrepalanchowk whereas all traits except number of effective tillers were significant in Dang. The significantly higher grain yield and harvest index were obtained in NE, followed by LCC; and the overall straw yield was highest in LCC, followed by NE in both the locations. Also, yield gap analysis suggested the NE had 44.44% and 23.97% increase in yield as compared to FPP in Kavrepalanchowk and Dang, respectively. The combined analysis with Best Linear Unbiased Estimator revealed the interaction of nutrient management and location significantly effects the straw yield and harvest index across both the locations. The estimated mean straw yield and harvest index were 10.93 t/ha and 34.98%, respectively. Both correlation study and biplot of principal component analysis signaled grain yield had positive correlation with all other traits. Furthermore, the net revenue was maximum for NE, followed by LCC in both the locations. The benefit: cost ratio was highest for NE which was 1.55 in Kavrepalanchowk and 2.61 in Dang. On the basis of these findings, NE and LCC can be effectively used as nutrient management practice by the farmers to obtain maximum production and profitability in Rice.

2010-11 ve 2011-12 yağmurlu ve kış mevsimlerinde Hindistan'ın Yeni Delhi kentinde koruma altındaki yağmurla beslenen yarı kurak bir ortamda çeşitli mahsullerin ve mahsul sistemlerinin ve kalıntı tutulmasının etkilerini değerlendirmek için arazi çalışmaları yapılmıştır. dokuz çift kırpma sisteminin sistem verimliliği ve karlılığı. Pearlmillet (Pennisetum glaucum (L.) R. Br.), Küme fasulyesi (Cyamopsis tetragonoloba L.) ve greengram (Vigna radiata L. Wilczek), kalıntı bırakmadan, mahsul artıkları altında ve Ipil-ipil (Leucaena leucocephala) dallarında yetiştirildi. 2010 ve 2011 kış aylarında buğday (Triticum aestivum L.), nohut (Cicer arietinum L.) ve hardal (Brassica juncea L.) 2010-11 kışında ve 2011-12 yaz mahsullerinden sonra yetiştirilmiştir. Dört tekrarlı Randomize Tam Blok, Şerit ve Strip-plot tasarımları, farklı kalıntı yönetimi uygulamalarıyla dokuz yağmurla beslenen mahsul sisteminden gelen verileri analiz etmek için takip edildi. Leucaena dallarının altında buğday ve nohuttan sonra salkım fasulyesi ile önemli ölçüde daha yüksek (p ≤ 0.05) inci kılı eşdeğeri verim elde edildi, ardından inci kılıcı veya yeşilgramdan tortu tutuldu. Salkımdan sonra Leucaena dallarında hardal ile önemli ölçüde daha yüksek (p ≤ 0.05) buğday eşdeğer verimi (2010-11'de 4.15 t ha-1 ve 2011-12'de 3.77 t ha-1) elde edildi. Sistem karlılığı (net getiri ve B: C oranı), Leucaena dallı küme fasulyesi-hardal ve küme fasulyesi-buğday sistemlerinde daha yüksekti. Kuzeybatı Hindistan'ın yarı kurak ortamlarında Leucaena dallı küme fasulyesi-hardal, yeşilgram-buğday ve inci kılıcı-nohut sistemlerinin, sıfır işlenmiş yağmur suyu koşullarında en faydalı sistemler olduğu öne sürülmektedir.