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Articles 271 - 300 of 3654
Full-Text Articles in Entire DC Network
Exploring Biostimulant Efficacy Under Limited Fertilizer And Water In Utah's Watermelon Production, Evan Christensen, Milena Maria Tomaz De Oliveira, Prakriti Nepal, Youping Sun
Exploring Biostimulant Efficacy Under Limited Fertilizer And Water In Utah's Watermelon Production, Evan Christensen, Milena Maria Tomaz De Oliveira, Prakriti Nepal, Youping Sun
Plants, Soils, and Climate Faculty Publications
The western U.S. has recently experienced some of the driest conditions on record, and Utah has been in a multi-year drought (2019-2023) that affected the agricultural sector, including vegetable producers. While vegetables are not a primary agricultural crop in Utah, they are still an important part of the horticultural economy with 763 farms growing 6,138 acres. As the fourth largest acreage vegetable crop in Utah (almost 10% of the acreage) watermelon and related crops in the gourd family Cucurbitaceae (nearly 36% of total vegetable acreage) are important to vegetable growers. Watermelon is a water-intensive crop and requires an adequate supply …
Analysis Of The Effect On N Nutrition On Dry Matter Yield Of A Sward By Reference To Potential Yield And Optimum N Content, G Lemaire, F Gastal, J Salette
Analysis Of The Effect On N Nutrition On Dry Matter Yield Of A Sward By Reference To Potential Yield And Optimum N Content, G Lemaire, F Gastal, J Salette
IGC Proceedings (1977-2023)
Previous work has shown that the N content of a sward could be related to the dry matter accumulation during the course of the regrowth by the following equation : N % = a(Wtb, where W is the weight of aboveground biomass and N % the N concentration of dry matter (Salette & Lemaire, 1981). The coefficient a represents the N % for an aerial biomass of I t/ha, and b characterizes the degree of dilution of N during the regrowth. When b = 0, N % remains constant during the regrowth. If b = I, there is an increase …
Alimentation Minerale, Niveau Hydrique Et Utilization De L’Eau Par La Luzerne, Micheline Anneessens
Alimentation Minerale, Niveau Hydrique Et Utilization De L’Eau Par La Luzerne, Micheline Anneessens
IGC Proceedings (1977-2023)
L'eau est souvent un facteur limitant !es rendements puisque des problemes se posent au niveau de sa repartition dans l'espace et dans le temps. Aucune etude n'a encore montre comment dose et composition d'engrais interagissent avec l'humidite du substrat sur ]'utilisation de l'eau par une plante fourragere forte consommatrice de cette ressource.C'est dans ce but que le present essai a ete realise sur la luzerne.
Optimization Of Grassland Ecosystem Production By Anthropogenic Treatment, R Holubek, J Jancovic
Optimization Of Grassland Ecosystem Production By Anthropogenic Treatment, R Holubek, J Jancovic
IGC Proceedings (1977-2023)
Abundant amount of the new knowledge was gained by an intensive research of grassland ecosystem in Czechoslovakia and other European countries during last 25 years. It was confirmed that under favourable humid conditions and sufficient macronutrients and micronutrients together with adequate Nfertilizing should be nearly reached ecologically conditioned level of potential productivity and dry matter or N-compounds yields should be increased by 100-200 or 200-300 per cent respectively (Velich, 1986). Introduction of scientific methods of controlled agricultural production together with higher landscape protection requirements, stability of ecosystems, quality and healthproved foods requirements have changed the traditional views to the nutrition …
Experiment Of Trace Elements Fertilizer Spraying On Sown Pasture, Tu Minyi
Experiment Of Trace Elements Fertilizer Spraying On Sown Pasture, Tu Minyi
IGC Proceedings (1977-2023)
The application of compound phosphate in the way of rotationary fertilizing in sections in successive years kept the vigorous growth of pasture composed of perennial ryegrass (Lolium perenne) and white clover (Trifolium repens) in the first several years after the pasture was grazed in 1981. But the pasture could not keep the growing vigour even with the same level of fertilization in the last two years. Considering the unbalanced nutrition being one of the major reasons, a preliminary experiment of trace elements spraying has been undertaken in Nanshan Sown Pasture-land aiming at identifying if trace fertilizers …
Some Nitrogen Forms And Micronutrients In Silage Maize Leaves As Affected By Nk Fertilization And Liming, C.L F. Carranca, M A. Castelo Branco
Some Nitrogen Forms And Micronutrients In Silage Maize Leaves As Affected By Nk Fertilization And Liming, C.L F. Carranca, M A. Castelo Branco
IGC Proceedings (1977-2023)
The nutritive value of a forage depends on the quality which, in time, is dependent on protein, sugar, cellulose, fat and mineral elements content. The existence of deficiencies may limit the maximum yield and also the quality. Several experiments have been carried out in order to study the effect of liming and NK fertilization on the nutrients uptake by silage maize and yields.
The Diagnosis Of Grassland Mineral Nutrient Status Through Herbage Analysis, J Salette, Lydie Huche
The Diagnosis Of Grassland Mineral Nutrient Status Through Herbage Analysis, J Salette, Lydie Huche
IGC Proceedings (1977-2023)
It appears more and more clearly that soil analysis is not sufficient to give a good approximation of the mineral status of grassland soils. In perennial crops leaf analysis and empirical critical levels are widely utilized. This grassland approach emphasizes the good results which can be obtained for nitrogen, potassium, phosphorus not from leaf but from the whole herbage plant analysis. This paper deals with pure grass stands.
Modelling Nutrient Uptake By A Grass Sward: Long Term Studies Over Several Years, J Salette, Lydie Huche
Modelling Nutrient Uptake By A Grass Sward: Long Term Studies Over Several Years, J Salette, Lydie Huche
IGC Proceedings (1977-2023)
Many experiments were conducted to assess the short term effects of fertilization management on nitrogen and mineral uptake of cut or grazed swards. One important work was performed to model the grass nutrition status during a regrowth (Salette, 1982; Salette et al., 1983; Salette et al., 1989), but for both a theoretical and practical point of view it is of great interest to evaluate the evolution of N and mineral uptake throughout all the years of a pasture life. This paper gives an analysis of nitrogen and mineral uptake dynamics during several years and proposes a model for sward N …
Derivation And Testing Of Nutrient Norms For White Clover, Marta J. Rodreiguez
Derivation And Testing Of Nutrient Norms For White Clover, Marta J. Rodreiguez
IGC Proceedings (1977-2023)
Foliar analysis has been practiced widely to diagnose the nutrient status of crops in order to give fertilizer recommendations. The changing nature of plant tissue mineral concentrations imposes limitations on the use of foliar analysis for diagnostic purposes. In this way, sampling of particular plant parts at particular stages of development is required to assess the nutrient status of crop and forage plants. The Diagnosis and Recommendations Integrated System (DRIS) was developed by Beaufils (1973), based on a holistic experimental approach, as a means of coping with the problems derived of the dynamic nature of foliar composition. Three concepts are …
Liming And Phosphate Fertilization On Forage Production, Mineral Composition And Nodulation On Pigeonpea (Cajanus Cajan (L.) Millsp.), V T. Paulino, N L. Costa, C.G S. Pedreira
Liming And Phosphate Fertilization On Forage Production, Mineral Composition And Nodulation On Pigeonpea (Cajanus Cajan (L.) Millsp.), V T. Paulino, N L. Costa, C.G S. Pedreira
IGC Proceedings (1977-2023)
For legume forage plant contribute effectively to grassland improvement, mainly through high herbage yields and fixation of atmospheric N, it is necessary to have a better knowledge of its nutritional requirements, since pigeonpea does not grow well on acidic soils with high levels of Al and poor in Ca, Mg and P. Ogunwale and Olaniyi (1978) reported a significant increase on forage production and P and Ca uptake for pigeonpea as a result of phosphate fertilization, while Abrufi.a et al., (1984) observed that lime improved growth, nodulation and P and Ca uptake, but with little effect on crude protein content. …
Effects Of Phosphogypsum, Phsophorus And Lime On Andropogon Gayanus Kunth, V T. Paulino, E Malavolta
Effects Of Phosphogypsum, Phsophorus And Lime On Andropogon Gayanus Kunth, V T. Paulino, E Malavolta
IGC Proceedings (1977-2023)
There are several factors which determine the low animal productivity in the tropics. Among these factors, inadequate nutrition is the most limiting one followed by the low natural fertility and high acidity of the soils in these regions. Previous findings have shown important soil nutrient deficiencies in some Brazilian cerrado soils. Malavolta (1952) demonstrated sulfur (S) deficiencies, while Werner et al. (1967) found plant response to S. Responses to phosphorus addition are very common in this kind of soil and in tropical America there are rates of phosphorus being applied, which sometimes are uneconomical for the formation and maintenance of …
An Effective P Application Method For Dactylis Glomerata, M Hojito, A Nishimune, M Noshiro
An Effective P Application Method For Dactylis Glomerata, M Hojito, A Nishimune, M Noshiro
IGC Proceedings (1977-2023)
There are two practical ways to apply phosphorus (P) fertilizer on cutting type grasslands in Hokkaido, Japan. The first one is to apply P at a rate of about I 00 kg P2Os/ha in the spring (April) in one application. Some reasons for this method have been explained (Hayakawa et al., 1951). However, in some cases, it is more convenient for practical management to apply three equal amounts of P, at three different times during the year (April, June and August) the same as other fertilizers such as nitrogen or potassium. That is a second way. Grassland soil is acidified …
Distribution Of Phosphorus And Aluminum In Acidic Pasture Soils And Effects On Growth Of Subterranean Clover, M J. Mclaughlin, T R. James
Distribution Of Phosphorus And Aluminum In Acidic Pasture Soils And Effects On Growth Of Subterranean Clover, M J. Mclaughlin, T R. James
IGC Proceedings (1977-2023)
In south-eastern Australia, pasture improvement and the use of superphosphate fertilizers have resulted in the gradual acidification of many soils under subterranean clover pastures (Williams, 1980). Despite high values of exchangeable and extractable aluminium (and low pH) recorded in many soils, there are few reports of significant responses of clover growth to lime application in the field. In this study we examined the vertical distribution of CaCb-extractable aluminium (Al) and available phosphorus (Bray P) in pasture topsoils. We also simulated the conditions in the field sites by investigating in solution culture the response of subterranean clover to various concentrations of …
Study Of Some Factors That Influence Upon P Fertilization On Pastures From Red Ferralitic Soil, Marta Hernandez, A R. Mesa
Study Of Some Factors That Influence Upon P Fertilization On Pastures From Red Ferralitic Soil, Marta Hernandez, A R. Mesa
IGC Proceedings (1977-2023)
The importance of P for vegetal nutrition has been a topic of study for several workers. However, results obtained have not always been positive using P fertilizer due to some factors such as the content of this nutrient in the soil and its fixation capacity. This study was conducted in order to evaluate the response of guinea grass cv. Likoni and buffel grass cv. Biloela to P fertilization. These pastures were selected due to their favourable behaviour and the different levels of exigency to P that they present.
Response Of Forage Oats To Nitrogen Fertilizer In High And Low Fertility Soils, N Moreira
Response Of Forage Oats To Nitrogen Fertilizer In High And Low Fertility Soils, N Moreira
IGC Proceedings (1977-2023)
Forage oats are used extensively as whole-crop in rainfed areas of Portugal as is traditional in Mediterranean areas. They are cropped with minimum inputs, and increasingly in mixtures with annual legumes such as Vivia sativa (Moreira, 1989). In addition to the fact that relatively low yields are obtained in these conditions, the oats harvested during grain filling have a very low crude protein content, which severely limits their nutritive value (Eagles et al., 1979; Abreu et al., 1982). The aim of the present study is to determine the effects of nitrogen fertilizer on whole-crop forage oats in terms of drymatter …
Rendement Des Prairies Dans Les Marais De L'Ouest De La France. Diagnostic Des Insuffisances Minerales, Y Pons, E Lafon
Rendement Des Prairies Dans Les Marais De L'Ouest De La France. Diagnostic Des Insuffisances Minerales, Y Pons, E Lafon
IGC Proceedings (1977-2023)
Situes sur la cote atlantique entre la Vilaine au Nord et la Gironde au Sud, !es Marais de l'Ouest s'etendent sur 250 000 ha environ. Ils resultent du comblement d'un golfe marin par des alluvions fluviomarines argileuses. La prairie est la production obligatoire lorsque !es contraintes hydrauliques ne sont pas maitrisables ou lorsque le cout d'amenagement est prohibitif. C'est le cas d'une part des marais "mouilles" qui sont soumis aux crues des rivieres (sols tourbeux et argileux) et d'autre part des marais desseches lorsque !es sols sont sodiques et done tres instables. L'objectif de l'etude est d'expliquer !es ecarts de …
Effects Of Short-Term Rotations Of Monocultures And Mixtures Of Legumes And Grasses With Rice In The Subtropical Zone Of South-Western China, S R. Zhou, Y G. Yu, K Mao, X M. Gan, Z L. Pu
Effects Of Short-Term Rotations Of Monocultures And Mixtures Of Legumes And Grasses With Rice In The Subtropical Zone Of South-Western China, S R. Zhou, Y G. Yu, K Mao, X M. Gan, Z L. Pu
IGC Proceedings (1977-2023)
Five short-term rotation systems of monocultures and mixtures of legumes and grasses with rice, i.e., Medicago hispida ➔ rice, Trifolium repens cv. Ladino ➔ rice, Astragalus sinicus + lolium multiflorum ➔ rice, Medicago hispida + Lolium multiflorum ➔ rice and Trifolium repens cv. Ladino + Lolium multiflorium ➔ rice, were selected from 8 evaluated in this study in the subtropical zone of south-western China. The average results for these rotational types per year were: forage dry matter 3,63 tlha, forage crude protein 727 .5 kg/ha, metabolisable energy 22.lx!03 MJ/ha, in vitro organic matter digestibility of forages 72.84%, rice yield 7.4 …
Potential Of Crotalaria Ochroleuca (Marejea) In Traditional Crop And Livestock Production Systems In Tanzania, S V. Sarwatt
Potential Of Crotalaria Ochroleuca (Marejea) In Traditional Crop And Livestock Production Systems In Tanzania, S V. Sarwatt
IGC Proceedings (1977-2023)
In experiments to study the role of Crolalaria ochrroleuca (marejea) in traditional farming systems, the plant was used in the following way: (l) broadcast alone at a rate of 10 kg/ha of seed to determine dry matter (DM) yield, nutritive value and kg N/ha it can fix at different stages of growth, i.e., 2, 4, 6, 8, IO, 12, 14 and 16 weeks. (2) sown under after 3 weeks on alternate ridges with maize and maize alone as control. (3) the leaves at 10 weeks were harvested and supplemented to young sheep grazing 8 h/day. 12 male sheep …
Sesbania Sesban: A Promising Forage Legume In Semi-Arid Central Tanzania, D N. Msariri, M L. Kusekwa
Sesbania Sesban: A Promising Forage Legume In Semi-Arid Central Tanzania, D N. Msariri, M L. Kusekwa
IGC Proceedings (1977-2023)
Seventy-four accessions of Sesbania sesban were evaluated alongside 7 of S. goetzel for forage production at Mpwapwa, In Tanzania. The former was promising while the latter was generally unsuccessful. For S. sesban, germination of scarified inoculated seed in nursery was 34%. Survival of the seedlings was 96% at transplanting at 8 weeks. Growth in the field, measured in terms of mean incremental height, was 2.9 m at l year of establishment. On average, 50% of the plants flowered and formed pods at 158 and 190 days, respectively. Seed yield averaged 348 g per plant, while forage yield averaged 4.5 t …
Analysis Of Growth Characteristics And Evaluation As Fodder Resources Of Tropical Leguminous Browses In Subtropical Area In Japan, Y Kawamoto, M Honma
Analysis Of Growth Characteristics And Evaluation As Fodder Resources Of Tropical Leguminous Browses In Subtropical Area In Japan, Y Kawamoto, M Honma
IGC Proceedings (1977-2023)
To evaluate the potential of several tropical leguminous browse species as fodder plants in the subtropical area of Japan, the dry matter yield and quality and resistance to clipping and drought in the first year were examined and compared in browse species. Species such as Deamodiwn tortuoaum, Desmodium discolor, Aeschynomene villosa and herbaceous Stylosanthes guianensis, had relatively high water stress tolerance, All the species were resistant to clipping. The species such as Desmodium tortuosum. Desmodium discolor among Desmodium genus have high potential for dry matter production and nutritive value in this region.
Agronomic Evaluation Of Centrosema Germplasm On Acid Utisol In The Humid Tropics Of Peru. Ii. Centrosema Tetragonolobum Schultze-Kraft & Williams, Gerhard Keller-Grein
Agronomic Evaluation Of Centrosema Germplasm On Acid Utisol In The Humid Tropics Of Peru. Ii. Centrosema Tetragonolobum Schultze-Kraft & Williams, Gerhard Keller-Grein
IGC Proceedings (1977-2023)
The agronomic potential of 11 accessions of Centrosema tetragonolobum was assessed In a small-plot clipping trial conducted near Pucallpa, Peru. These accessions were compared with 8 selected accessions of C. acutifolium, C, brasilianum and C. macrocarpum, and 3 accessions of the agronomically little-known C. brachypodum and C. capitatum. All C. tetragonolobum accessions were well adapted to an acid ultisol (pH 4.S, 80% Al saturation). Several of them produced dry matter and seed yields similar to those of promising lines of C. acutifolium and C. macrocarpum, The capacity to root at trailing stems was poor for C. tetragonolobum …
Wayne E. Sabbe Arkansas Soil Fertility Studies 2024, Nathan A. Slaton
Wayne E. Sabbe Arkansas Soil Fertility Studies 2024, Nathan A. Slaton
Arkansas Agricultural Experiment Station Research Series
Rapid technological changes in crop management and production require that the research efforts be presented in an expeditious manner. The contributions of soil fertility and fertilizers are major production factors in all Arkansas crops. The studies described within will allow producers to compare their practices with the university’s research efforts. Additionally, soil-test data and fertilizer sales are presented to allow comparisons among years, crops, and other areas within Arkansas.
Advances In Research And Development With Sylosanthes And Other Tropical Pasture Legumes, D F. Cameron, C P. Miller, L A. Edye, J W. Miles
Advances In Research And Development With Sylosanthes And Other Tropical Pasture Legumes, D F. Cameron, C P. Miller, L A. Edye, J W. Miles
IGC Proceedings (1977-2023)
The last 20 years have seen major advances in research and development wilh tropical legumes. Research advances have been closely associated with substantial increases in the number and diversity of genetic resource collections, Release of a wide range of new cultivars has been based on selection for plant adaptation, persistence and productivity, screening for resistance to pest's and diseases, and the development of efficient seed production. Determination of fertiliser requirements and grazing management practices has resulted in sustainable animal production from legume-based pasture systems. Extensive pasture development has now occurred in both high and low input systems. Options vary from …
Growth And Mineral Nutrition In Dichanthium Aristatum Sward Shaded By Tress, P Cruz, N M. Munier-Jolain, R Tournebize, H Sinoquet
Growth And Mineral Nutrition In Dichanthium Aristatum Sward Shaded By Tress, P Cruz, N M. Munier-Jolain, R Tournebize, H Sinoquet
IGC Proceedings (1977-2023)
Gliricidia sepium is an important legume tree used in the silvopastoral systems of the Caribbean area and tropical America. In this work we analysed the effect of its alley cropping on the growth and mineral nutrition of a Dichanthium aristatum sward, Results show that nitrogen uptake and conversion efficiency of solar radiation were twice as high in the shaded grass. Phosphorus and potassium uptake of dichanthium were also improved by tree presence, Better mineral nutrition and growth of a shaded sward could be related to the better water status of the .. grass leaves throughout the day, This effect may …
Contribution Of Parkia Biglobosa To The Feeding Value Of Pasture Systems In West Africa, Elly N. Sabiiti, J Cobbina, J Lambourne
Contribution Of Parkia Biglobosa To The Feeding Value Of Pasture Systems In West Africa, Elly N. Sabiiti, J Cobbina, J Lambourne
IGC Proceedings (1977-2023)
Parkia (Parkia biglobosa) is an important traditional economic tree legume with several uses for the rural farmers in West Africa, although it has received only limited resenrch. Parkia is dominant in natural pastures or fallow fields that are used for livestock grazing. The tree provides shade to forage grasses and livestock, protects soil from heat and torrential tropical rains, resists fire damage and coppices very well after defoliation. Farmers grow several food crops under the canopy. The fruits, leaves and young seedlings, which are highly nutritious, form an important fodder for livestock in the dry season when natural …
Utilization Of Faba Bean (Vicia Faba L.) Fodder And Silage In Ruminants, P C. Gupta, M A. Akbar
Utilization Of Faba Bean (Vicia Faba L.) Fodder And Silage In Ruminants, P C. Gupta, M A. Akbar
IGC Proceedings (1977-2023)
Two feeding experiments were conducted to find out the nutritive value of faba bean (Vicia faba L.) green fodder and silage, In the first experiment, mixtures of faba bean and oat (Avena sativa) green fodders in proportions of 1:1, 1:2 and 2:1, respectively, were fed to lambs randomly divided in to 3 groups of 6 each for 50 days, The DM intake of lambs, change in their body weights and digestibility co-efficients of various nutrients did not differ (P>0.05) among the 3 groups. However, the values of DCP in different rations varied significantly (P<0.05) but not that of TDN. In the second experiment, pure faba bean was ensiled for 50 days and offered to sheep, which maintained their body weights. It was concluded that effective utilisation of green faba bean in sheep could be achieved either by ensiling or by mixing it with other forages like oat. Feeding of faba bean and oat mixture al 2:1 ratio gave optimum growth in lambs,
Geochemical And Sedimentological Signals Of Bottom Water Oxygen Dynamics From Lake Tanganyika (Zambia), Njahi Mwangala
Geochemical And Sedimentological Signals Of Bottom Water Oxygen Dynamics From Lake Tanganyika (Zambia), Njahi Mwangala
Theses and Dissertations--Earth and Environmental Sciences
Lake Tanganyika is a large, ancient freshwater body with exceptional biodiversity that is located in the East African Rift System. Lake Tanganyika’s size and longevity make its sedimentary record useful for understanding environmental changes that cross spatial and temporal boundaries. Lake Tanganyika is known to be susceptible to global warming given its tropical location. Over 12 million people living within Lake Tanganyika’s watershed rely on fishing for their income and nutrition. Changes to limnological function driven by climate could therefore have serious implications for human health and biodiversity conservation. This study focuses on using geochemical properties of modern lake bottom …
Teaching Agroecology Through Play: A Board Game On Companion Planting Using Agroecological Principles, Ashmita Das, Julie Capito-Hernandez, Estelí Jiménez-Soto
Teaching Agroecology Through Play: A Board Game On Companion Planting Using Agroecological Principles, Ashmita Das, Julie Capito-Hernandez, Estelí Jiménez-Soto
School of Geosciences Faculty and Staff Publications
Board games themed around environmental topics are promising tools for promoting awareness of complex sustainability issues, as the materiality, sociality, and multidimensionality of gameplay can help overcome some of the inherent limitations of more traditional learning formats. To explore the potential relevance of board games for communicating about agrifood system topics in particular, we designed and tested a game called Companion: An Agroecological Adventure, in which players take on the role of community gardeners who must apply both social and ecological principles of agroecology to cultivate a thriving garden plot. In this paper, we present the results of a study …
Food Sovereignty Among Migrant Farmworkers: The Role Of Agrobiodiversity For Autonomy And Resistance In A Mexican Coffee Plantation, Estelí Jiménez-Soto, Sanya Cowal, April Lopez
Food Sovereignty Among Migrant Farmworkers: The Role Of Agrobiodiversity For Autonomy And Resistance In A Mexican Coffee Plantation, Estelí Jiménez-Soto, Sanya Cowal, April Lopez
School of Geosciences Faculty and Staff Publications
Coffee agroecosystems represent the economic base for thousands of small growers and agricultural workers, as well as a significant proportion of many regional economies in Latin America. Every year, the production of coffee in this region attracts a great number of laborers and their families, particularly during the harvest season. Despite being essential workers in the food system, agricultural workers continue to be one of the most marginalized actors in the coffee production chain. Even with an environment of precarity, agricultural workers exercise their autonomy and food sovereignty—the process by which agricultural workers, in this case, define their food system …
Contribution Of Different Frass Fertilizer Products On Enhanced Growth, Yield And Nutrient Quality Of Broccoli [Brassica Oleracea], Noella Kagehi, Dennis Beesigamukama, Chrysantus M. Tanga, Mathew P. Ngugi, Sevgan Subramanian, Fathiya M. Khamis
Contribution Of Different Frass Fertilizer Products On Enhanced Growth, Yield And Nutrient Quality Of Broccoli [Brassica Oleracea], Noella Kagehi, Dennis Beesigamukama, Chrysantus M. Tanga, Mathew P. Ngugi, Sevgan Subramanian, Fathiya M. Khamis
All Peer-Reviewed Publications
Vegetables are crucial for food security and income, but in developing countries their production is hindered by low soil fertility. Although the insect frass fertilizer is a potential solution, its use is constrained by limited product choices. Unlike conventional fertilizers, which are available in different forms, the insect frass fertilizer is mostly available in solid form. Here, we evaluated the effects of different black soldier fly frass fertilizer (BSFFF) products on broccoli [Brassica oleracea] growth, yield, and nutritional profiles. Solid, liquid BSFFF, chitin-fortified solid BSFFF, chitin-fortified liquid BSFFF, and commercial organic fertilizer (Safi) were applied at rates equivalent to 250 …