Encyclopedia
Definitive guides for crops, pests, and agricultural diseases.
Marula (Sclerocarya birrea)
Marula (Sclerocarya birrea) is a resilient African tree prized for its nutrient-rich fruits, versatile oil, and cultural significance. Thriving in arid savannas, it offers small farmers a drought-tolerant crop with multiple revenue streams from fruit, nuts, and bark. This guide provides expert cultivation techniques for optimal yields in suitable climates.
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Mary Washington Asparagus
Mary Washington Asparagus is a classic open-pollinated asparagus variety prized for its dependable productivity, cold tolerance, and long-lived perennial crowns. Best known for producing flavorful green spears and for its historical rust tolerance, it remains an excellent choice for home gardens and diversified market plots where patience is rewarded with harvests for 15 years or more.
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Marzano Fire Tomato
Marzano Fire Tomato is a high-yielding, determinate hybrid developed from San Marzano genetics, prized for its elongated shape, intense flavor, and exceptional performance in both fresh market and processing applications. It combines disease resistance with early maturity and concentrated fruit set, making it a reliable choice for commercial and home growers alike.
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Mashua (Tropaeolum tuberosum)
Mashua is a hardy Andean tuber crop prized for its edible, peppery-flavored roots and attractive edible flowers. It thrives in cool highland climates and offers excellent nutritional value with natural pest-repellent properties.
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Masterwort (Peucedanum ostruthium)
Masterwort is a hardy perennial herb in the Apiaceae family, historically cultivated across Europe for its medicinal roots and aromatic foliage. It thrives in cool, moist mountain climates and well-drained soils, producing large, deeply lobed leaves and umbels of white flowers. Today it is valued for both its culinary flavoring potential and its role in organic medicinal herb gardens.
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Mastic Resin
Mastic resin is the aromatic, tear-shaped exudate harvested from the trunks and branches of the evergreen mastic tree, valued for its culinary, medicinal, and industrial uses. Native to the Mediterranean basin, the crop requires well-drained, calcareous soils and a long, hot, dry summer to produce high-quality resin. This guide covers complete cultivation from site selection through harvest and storage.
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Mate (Ilex paraguariensis)
Mate (Ilex paraguariensis) is a subtropical evergreen tree native to South America, cultivated for its caffeine-rich leaves that are dried, roasted, and brewed into the traditional infusion known as yerba mate. The crop thrives in humid subtropical climates with acidic soils and requires careful management of shade, pruning, and harvest cycles to maintain high-quality leaf production over decades.
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Matta Rice (Palakkadan)
Matta Rice, known as Palakkadan Matta, is a unique rice variety celebrated for its rich nutritional profile and distinctive flavor. This guide provides in-depth cultivation practices for optimal growth and harvest.
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maximilian sunflower
Maximilian sunflower is a tall, perennial native wildflower prized for erosion control, pollinator support, and low-maintenance biomass production. It thrives in diverse soils across USDA zones 3-9 and produces abundant yellow blooms from late summer into fall. This guide covers every stage of commercial and home-scale cultivation with evidence-based practices.
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Mayapple
Mayapple is a native North American woodland perennial valued for its unique foliage and edible ripe fruit. This comprehensive guide covers soil requirements, propagation, organic care, and harvesting for sustainable production.
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Maypop (Passiflora incarnata)
Maypop, or Passiflora incarnata, is a vigorous native North American passionflower vine prized for its exotic blooms, edible fruits, and medicinal uses. Thriving in USDA zones 6-10, it offers easy propagation, drought tolerance once established, and attracts pollinators while producing tangy, yellow fruits in late summer. This comprehensive guide covers cultivation from soil prep to harvest for optimal yields.
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McIntosh Apple
McIntosh is a classic cold-climate dessert apple prized for its aromatic flesh, tender texture, and bright sweet-tart flavor. It performs best in regions with adequate winter chill, moderate summers, and attentive disease and canopy management, making it a rewarding but moderately demanding cultivar for home orchards and commercial plantings.
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mealybug
Mealybugs are small, sap-sucking pests covered in a white, waxy coating that infest a wide range of crops, causing stunted growth, leaf yellowing, and sooty mold. They reproduce rapidly in warm, humid conditions, making early detection and organic management essential for effective control. This guide provides professional diagnostic, treatment, and prevention strategies for farmers and growers.
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Mealybugs
Mealybugs are small, sap-sucking pests that coat plants in white, waxy fluff, weakening crops and promoting sooty mold. This guide provides expert diagnostics, lifecycle insights, organic controls, and prevention for affected farms. Protect high-value crops like citrus, avocados, and ornamentals with proven agricultural strategies.
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Medjool
Medjool dates are premium soft dates prized for their large size, caramel-like sweetness, and chewy texture. This definitive guide covers soil preparation, propagation, irrigation, fertilization, pest management, harvesting, and storage for commercial and home growers.
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Meeker Raspberry
Meeker Raspberry is a classic floricane-fruiting red raspberry cultivar valued for high yields, rich flavor, and strong performance in cool-temperate production regions. It is especially respected by commercial and serious home growers for processing quality, machine-harvest suitability, and dependable summer crops when grown in well-drained, fertile soil.
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melanose
Melanose is a common fungal disease affecting citrus trees, caused by Diaporthe citri, characterized by distinctive dark, raised lesions on leaves, twigs, and fruit. While primarily cosmetic on mature fruit, it can reduce tree vigor and yield if severe. Effective management relies on cultural practices, sanitation, and targeted fungicide applications during wet periods.
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Meria laricis
Meria laricis is a fungal needle cast pathogen primarily affecting larch species, causing progressive defoliation, reduced vigor, and long-term growth suppression in both forestry and ornamental plantings. Early recognition combined with integrated cultural and targeted fungicide programs can limit spread and restore tree health.
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Merlot Grapes
Merlot is one of the world’s most important wine grape cultivars, valued for its relatively early ripening, supple tannins, and deep adaptability across temperate viticultural regions. Successful Merlot production depends on precise control of vigor, water, canopy density, and crop load, because the variety can easily swing from elegant and concentrated to diluted and herbaceous when site or management is poorly matched.
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Mexican bean beetle
The Mexican bean beetle is a notorious pest that defoliates bean crops by skeletonizing leaves, primarily targeting legumes like snap beans and lima beans. Native to Mexico but widespread in the US, its orange larvae and adults cause significant yield losses if unmanaged. Effective organic controls include handpicking, neem oil, and beneficial insects like ladybugs.
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Mexican Garcinia (Luc's)
Mexican Garcinia (Luc's), or Garcinia lucida, is a tropical evergreen fruit tree prized for its juicy, tangy fruits rich in antioxidants and vitamin C. Native to southern Mexico's rainforests, this underutilized crop thrives in humid, warm climates and offers small-scale farmers a high-value alternative to common tropical fruits. With proper care, it yields prolifically for decades, supporting agroforestry systems.
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Meyer Lemon
Meyer lemon is a cold-tender citrus prized for its thin, fragrant rind, low acidity, and sweet-floral juice. Thought to be a hybrid between a true lemon and a mandarin-type citrus, it is especially well suited to home orchards, patio containers, and mild-climate production where fruit quality matters as much as yield.
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mice
Mice are prolific rodent pests that devastate agricultural crops by gnawing seeds, roots, and fruits, causing billions in global losses annually. This guide provides farmers with diagnostic signs, lifecycle insights, organic management strategies, and prevention tactics tailored for small-scale and commercial operations. Effective control combines sanitation, exclusion, and natural predators to safeguard yields without chemicals.
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Midnight Snack Tomato
Midnight Snack Tomato is a high-yielding, indeterminate cherry tomato cultivar prized for its striking deep purple-black fruit that sweetens dramatically when fully ripe. This guide delivers professional-grade cultivation advice covering soil preparation, planting, care, pest management, harvest timing, and companion strategies to maximize flavor and output.
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