Encyclopedia
Definitive guides for crops, pests, and agricultural diseases.
Theobroma
Theobroma cacao, commonly known as cacao, is the tropical evergreen tree whose seeds are processed into cocoa and chocolate. This comprehensive guide covers professional cultivation practices from propagation through harvest, emphasizing sustainable agronomic methods suitable for commercial and smallholder production.
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Thompson Seedless Grapes
Thompson Seedless Grapes, also known as Sultana or Thompson Raisins, are a premier table grape variety prized for their sweet, crisp green berries without seeds, making them ideal for fresh eating, raisins, and winemaking. Originating from Persia and popularized in California, this cultivar thrives in warm, arid climates with excellent heat summation for optimal sugar development. This definitive guide provides professional-grade cultivation techniques to maximize yields of this high-value crop.
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Thousand Flower Tomato
Thousand Flower Tomato is a rare, highly prolific heirloom variety renowned for its massive clusters of small, sweet fruits. It offers exceptional yields, disease resistance, and ornamental beauty, making it a favorite among small-scale growers and home gardeners seeking both productivity and visual appeal.
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Thuyamalli Rice
Thuyamalli Rice is a traditional, aromatic rice variety from India, known for its unique fragrance and distinct flavor. It is cherished for its nutritional value and is well-suited for various culinary applications.
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Thyme
Thyme is a woody, perennial Mediterranean herb prized for its aromatic leaves, culinary versatility, and high essential-oil content. It thrives in lean, sharply drained soils and rewards growers with years of harvest when managed with restraint rather than excess water or fertility.
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Tiarella
Tiarella, commonly known as foamflower, is a shade-loving perennial prized for its attractive foliage and delicate white spring blooms. This comprehensive guide covers soil preparation, planting methods, maintenance schedules, and organic pest management for optimal growth in woodland and shade gardens.
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Tiger Nut (Chufa)
Tiger nut, also known as chufa, is a drought-tolerant sedge cultivated for its sweet, almond-like edible tubers rich in fiber, healthy fats, and minerals. It thrives in warm climates with well-drained sandy soils and serves as both a nutritious food crop and a valuable cover crop that improves soil structure.
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Tilapia
Tilapia is a fast-growing freshwater fish species widely farmed for its mild flavor, adaptability, and high protein yield. This comprehensive guide covers optimal conditions, step-by-step production methods, integrated pest and disease management, harvesting techniques, and companion planting strategies for sustainable tilapia aquaculture.
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Toddy Palm
Toddy palm, also known as palmyra palm, is a resilient tropical tree prized for its sweet sap used in toddy production, nutritious fruits, and versatile byproducts like tender hearts and leaves. Thriving in hot, arid conditions, it offers sustainable income for small farms through multiple harvests over its 100+ year lifespan. This guide provides expert cultivation techniques for optimal yields.
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Tofu Soybean
Tofu soybean is a food-grade soybean grown specifically for high-protein, pale-hilum seeds that process well into smooth, high-yield tofu. Successful production depends on warm soils, precise moisture management from flowering through pod fill, and careful harvest timing to protect seed quality, protein performance, and storage life.
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Tomato
Tomatoes are a versatile, nutrient-rich crop beloved worldwide for their juicy fruits used in salads, sauces, and salsas. Originating from the Andes, they thrive in warm climates with proper care, yielding abundantly from determinate bush varieties to vigorous indeterminate vines. This definitive guide covers everything from soil prep to pest management for maximum harvests.
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Tommy Atkins Mango
Tommy Atkins mango is one of the world’s most commercially important mango cultivars, valued for its excellent shipping durability, attractive red-blushed skin, and reliable productivity. While often considered less aromatic than premium dessert cultivars, it is a vigorous, adaptable tree that performs well in warm subtropical and tropical regions when managed for canopy balance, drainage, and disease prevention.
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Tossa Jute
Tossa jute is a warm-season bast fiber crop prized for its strong, lustrous fiber and rapid biomass production. It thrives in hot, humid conditions with fertile, well-drained alluvial soils, and responds best to careful stand establishment, balanced nutrition, and precise harvest timing for premium fiber quality.
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Tosya Rice
Tosya Rice is a renowned Turkish rice variety known for its aromatic flavor and excellent cooking quality. It flourishes in Mediterranean climates and is cultivated extensively in the Tosya region due to its adaptability to local conditions.
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Totapuri Mango
Totapuri Mango is a vigorous, widely cultivated mango variety valued for its distinctive parrot-beak tip, heavy bearing habit, and suitability for processing as well as fresh slicing. It performs best in warm tropical to subtropical climates with a pronounced dry period for flowering, deep well-drained soils, and disciplined canopy, irrigation, and nutrient management.
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Tragacanth Gum
Tragacanth Gum is a high-value perennial shrub grown primarily for the exudate gum harvested from its stems and roots. This definitive guide covers botanical requirements, planting, care, organic pest management, harvesting, and companion planting strategies for commercial and small-scale production.
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Tragopogon porrifolius
Tragopogon porrifolius, commonly known as salsify or oyster plant, is a cool-season biennial root vegetable prized for its long, slender taproots with a subtle oyster-like flavor. It offers reliable yields in temperate climates and is valued by home gardeners and small-scale farmers for its nutritional profile and ease of storage.
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trillium
Trillium is a genus of shade-loving perennial wildflowers prized for its distinctive three-petaled blooms and role in forest ecosystems. This guide delivers professional-grade cultivation advice for growers seeking to establish or expand trillium plantings sustainably.
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Trinidad Moruga Scorpion
The Trinidad Moruga Scorpion is one of the world's hottest peppers, renowned for its extreme heat and complex fruity flavor profile. This guide covers every stage of cultivation from soil preparation to harvest and post-harvest handling.
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Trinidad Scorpion Butch T
The Trinidad Scorpion Butch T is one of the world’s hottest chili peppers, known for its intense heat, distinctive scorpion tail, and rich, fruity flavor. This comprehensive growing guide covers everything from soil preparation and climate needs to organic pest control and post-harvest storage.
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Trinitario Cacao
Trinitario cacao is a prized hybrid cacao group derived primarily from Criollo and Forastero ancestry, valued for combining improved flavor complexity with better vigor and disease tolerance than pure Criollo types. It is best grown in humid tropical agroforestry systems with deep, well-drained, organically rich soils, steady warmth, and carefully managed shade, nutrition, and sanitation.
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Triple Crown Blackberry
Triple Crown Blackberry is a widely grown thornless semi-erect blackberry cultivar valued for large, glossy fruit, excellent sweetness, and an extended summer harvest. It is especially well suited to home orchards and market gardens in temperate regions where growers can provide trellising, consistent moisture, and disciplined cane management.
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Triticale
Triticale is a man-made cereal grain created by crossing wheat and rye, combining the grain quality and yield potential of wheat with the hardiness and stress tolerance of rye. It is widely grown for forage, silage, grazing, cover cropping, and grain in temperate farming systems, especially where marginal soils, drought, cold, or disease pressure limit wheat performance.
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Triticale (Presto)
Triticale (Presto) is a hybrid cereal crop developed by crossing wheat and rye. It combines the high yield potential of wheat with the disease resistance and environmental adaptability of rye, making it a versatile choice for farmers seeking robust yield and resilience.
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