美国 Xtreme Gardening 极限园艺微生物制品公司 – 林业与生态修复的高品质生物接种剂

公司背景与 RTI 母公司渊源

Xtreme Gardening（极限园艺微生物制品公司）是美国一家专注于家用园艺菌根真菌与有益微生物接种剂的零售品牌，由美国最古老、规模最大的菌根真菌接种剂生产商 Reforestation Technologies International（RTI）于 2008 年末创立为零售分支，将原本服务于林业与生态修复的高品质生物接种剂引入家庭园艺与中小型种植者市场。RTI 在全球 9 个国家累计协助栽植逾 7.5 亿棵树，并在贫瘠矿区、核试验区、沙漠与荒地等极端立地完成生态恢复，为 Xtreme Gardening 提供了深厚的菌根真菌应用积淀。

核心菌根真菌接种剂体系

Xtreme Gardening 的旗舰产品 MYKOS® 系列选用纯种丛枝菌根真菌 Rhizophagus intraradices，能够在根系周围形成”海绵状”菌丝网络，扩展根系的养分与水分吸收范围，覆盖蔬菜、水果、香草与花卉等多种园艺作物。MYKOS WP 为粉末形态的同款接种剂，便于拌入栽培介质；MYKOS ROOT PAKS 则面向水培松散介质（如 Growstone 与 Hydroton）推出，每包含 10 克纯菌根接种剂，专为家庭水培系统设计。整个产品线不混入木霉、外生菌根等其他微生物，确保单一菌种的接种纯净度。

促生长细菌与生物接种剂组合

在固氮与促生细菌方向，Xtreme Gardening 推出 AZOS®（含 Azospirillum brasilense 巴西固氮螺菌），适合扦插生根与移栽定植阶段使用，可将大气中的氮素转化为植株可利用的形态；AZOS RED LIQUID 是 AZOS 的液态版本，适合容器栽培、抬高苗床与条播作物。VERSITY® Bacillus Blend 则复配 6 种芽孢杆菌并加入海藻提取物与腐植酸，能够有效溶解磷（P）与钾（K），覆盖植株全生育期与多种栽培介质，是 Xtreme Gardening 在细菌接种剂方向的旗舰拓展产品。

钙质叶面肥与堆肥茶配套

Xtreme Gardening 围绕家庭园艺的叶面与介质管理需求，配套推出 CALCARB® 钙质二氧化碳叶面肥与 XTREME TEA BREWS® 家用堆肥茶冲泡套装。CALCARB 提供可被叶片快速吸收的钙与二氧化碳，能强化细胞壁、缓解高温与干旱胁迫，对番茄、辣椒、西瓜等需钙作物尤为友好。XTREME TEA BREWS 采用独特双袋分装设计——茶包袋装堆肥原料、微生饵料袋提供冲泡过程中的微生物增殖营养，使家庭园艺使用者也能经济、便捷地完成高品质堆肥茶的现场冲泡，用于土壤与叶面喷施。

全球经销网络与加州制造

Xtreme Gardening 的所有产品均由位于美国加利福尼亚州吉尔罗伊的总部（5355 Monterey Frontage Rd, Gilroy, CA 95020）自豪栽培与封装，并通过全球授权经销商网络（Store Locator）触达家庭种植者与中小型商业种植者。公司同时运营 Cultivating Knowledge 园艺知识博客，发布巨型南瓜、园艺科学等领域的实战记录与科普文章，2022 年美国巨型南瓜纪录 2,560 磅（Travis Geinger 种植）的施作方案即来自该品牌用户社群。Xtreme Gardening 团队设立于美国加利福尼亚州吉尔罗伊总部，并通过全球授权经销商网络（Store Locator）面向家庭种植者与中小型商业种植者提供销售与售后支持，是 RTI 体系下专注于家用园艺微生物接种剂市场的零售商品牌。

Company Background and RTI Parentage

Xtreme Gardening is a U.S. retail brand specializing in arbuscular mycorrhizal fungi and beneficial microbial inoculants for home gardeners and small-scale growers. The brand was launched in late 2008 as the retail division of Reforestation Technologies International (RTI), America’s oldest and largest producer of mycorrhizal inoculants. RTI has helped plant more than 750 million trees across nine countries and has restored some of the most degraded habitats on Earth—strip mines, nuclear test sites, deserts, and barren wastelands—into thriving ecosystems, providing Xtreme Gardening with deep expertise in mycorrhizal applications.

Core Mycorrhizal Inoculant Lineup

The flagship MYKOS® line features pure Rhizophagus intraradices, a single species of arbuscular mycorrhizal fungi that forms a sponge-like hyphal network around the root zone, extending the plant’s reach for nutrients and water. MYKOS WP is the powdered form of the same inoculant, designed for incorporation into growing media; MYKOS ROOT PAKS are 10-gram single-dose packets of pure mycorrhizal inoculant engineered for hydroponic systems using loose media such as Growstone and Hydroton. The lineup contains no Trichoderma or ectomycorrhizal species, preserving the purity of a single-species inoculant for vegetables, fruits, herbs, and flowers.

Growth-Promoting Bacteria and Biological Inoculant Suite

For nitrogen fixation and growth promotion, Xtreme Gardening offers AZOS® (Azospirillum brasilense), which converts atmospheric nitrogen into a plant-available form and is ideal for cloning and transplanting stages, plus AZOS RED LIQUID, a liquid formulation suited to container gardens, raised beds, and row crops. VERSITY® Bacillus Blend rounds out the bacterial suite with six species of Bacillus enhanced with kelp and humic acid, capable of solubilizing phosphorus (P) and potassium (K) and supporting vigorous root development across all growth stages and growing media.

Calcium Foliar Booster and Compost Tea System

To support foliar and media management, Xtreme Gardening provides CALCARB® calcium and carbon dioxide foliar booster alongside XTREME TEA BREWS® compost tea kit. CALCARB delivers readily available calcium and CO2 directly to foliage, strengthening cell walls and helping plants tolerate heat and drought stress—particularly useful for peppers, tomatoes, and watermelon. XTREME TEA BREWS uses a unique two-part system: a brew pouch containing compost material and a microbe food pack that multiplies beneficial microbes during brewing, producing high-quality compost tea for both soil drench and foliar spray applications.

Global Dealer Network and California Manufacturing

All Xtreme Gardening products are proudly cultivated and packaged at the company headquarters in Gilroy, California (5355 Monterey Frontage Rd, Gilroy, CA 95020) and reach home gardeners and small commercial growers through a worldwide network of authorized dealers accessible via the Store Locator. The brand also maintains the Cultivating Knowledge blog, where growers and agronomists share science-based horticultural guidance—including the cultivation protocol behind the 2022 U.S. record giant pumpkin of 2,560 lb grown by Travis Geinger. Customer support is handled by the Gilroy-based team via the online contact form published on the brand’s website.

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