Search Results
-
Why Your Plants Need Nitrogen to Be Healthy
Nitrogen is one of the essential nutrients for plant growth. It is responsible for many aspects of plant health, including leaf color, stem growth, and seed production. A plant deficient in nitrogen will often have stunted growth and a yellowish or pale green color. We will discuss the importance of nitrogen in plant growth and correct a nitrogen deficiency. Why Do Plants Need Nitrogen? Nitrogen is one of the essential elements in plant growth. It plays a critical role in photosynthesis, sti...
-
Best Nitrogen Fertilizer for Your Garden, Lawn & Hydroponics
Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Est. 1989 · Madera, CA · CDFA-Registered Fertilizers · Third-Party Tested ⚡ Quick Facts: Nitrogen Fertilizers Highest N concentration: Urea 46-0-0 (46% nitrogen) Fastest acting: Ammonium Sulfate 21-0-0 (immediate uptake) Best organic option: Blood Meal 13-0-0 or Feather Meal 12-0-0 Best for hydroponics: Calcium Nitrate 15.5-0-0 (fully soluble, no P runoff) Nitrogen makes up...
-
What's the Function of Nitrogen (N) in Plants?
Last updated: February 18, 2026 Technical Review by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: University of Missouri Extension, Kansas State Extension, Penn State Plant Science, and Michigan State University Extension guidelines Disclosure: Greenway Biotech manufactures nitrogen fertilizers mentioned in this guide. Alternative formulations and organic options are also discussed. This article reflects both peer-reviewed research and over...
-
Best Organic and Synthetic Fertilizers for Lush, Vibrant Foliage: A Complete Guide for Home Gardeners
Last updated: April 6, 2026 Technical Review by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: UC Davis, University of Maryland, Penn State, Oregon State, and Iowa State Extension plant nutrition guidelines Disclosure: Greenway Biotech manufactures products mentioned in this guide. Organic, synthetic, and chelated options are all discussed. ⚡ Quick Facts: Fertilizers for Plant Foliage Primary foliage nutrient: Nitrogen drives ch...
-
Best Fertilizer for Fruit Trees
Last updated: March 25, 2026 Written by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: UC Davis Cooperative Extension fruit tree nutrition guidelines, Oregon State Extension tree fruit management guides, and USDA organic fertilizer standards Disclosure: Greenway Biotech manufactures the fertilizers mentioned in this guide. Synthetic options and alternative programs are also discussed so you can choose what fits your orchard best. ⚡ Quic...
-
What is the Best Fertilizer for Tomatoes?
Last updated: April 5, 2026 Technical Review by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: UC Davis Cooperative Extension, Penn State Extension, and Oregon State University Extension tomato production guidelines Disclosure: Greenway Biotech manufactures the Tomato Fertilizer 4-18-38 discussed in this guide. Alternative formulations and supplemental nutrients are also covered. ⚡ Quick Facts: Best Fertilizer for Tomatoes Recom...
-
Ammonium Sulfate Uses: Lawn, Garden & Soil Application
Last updated: March 17, 2026 Technical Review by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: Oregon State University Extension, New Mexico State University Extension, and Colorado State University Extension fertilization guidelines Disclosure: Greenway Biotech manufactures the Ammonium Sulfate 21-0-0 fertilizer mentioned in this guide. Alternative nitrogen sources are also discussed. ⚡ Quick Facts: Ammonium Sulfate 21-0-0 For...
-
Best Fertilizer for Lettuce: Soil, Hydroponics & Leafy Greens Guide
Last updated: March 31, 2026 Written by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: UC Davis Cooperative Extension, Cornell University Vegetable Growing Guides, and USDA NRCS Plant Nutrition guidelines Disclosure: Greenway Biotech manufactures the Lettuce Fertilizer 8-15-36 mentioned in this guide. Organic options and alternative approaches are also discussed. ⚡ Quick Facts: Fertilizing Lettuce Effective NPK ratio: 8-15-36 — ...
-
Secondary Nutrients in Plants: Calcium, Magnesium, and Sulfur Guide
Last updated: April 7, 2026 Technical Review by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: UC Davis Extension Plant Nutrition guidelines, Penn State Extension Soil Fertility resources, and Oregon State University Extension nutrient management publications Disclosure: Greenway Biotech manufactures several products mentioned in this guide, including Calcium Nitrate, Magnesium Nitrate, Ammonium Sulfate, Epsom Salt, and Bone Meal. Alternativ...
-
A Comprehensive Guide to Winterizing Your Garden: Soil Preparation, Fertilizers, and Pest Prevention for a Healthy Spring Last updated: April 6, 2026 Technical Review by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: UC Davis, UC ANR, Penn State, and Oregon State Extension fall soil management guidelines Disclosure: Greenway Biotech manufactures several products mentioned in this guide, including Bone Meal, Blood Meal, Potassium Sulfate, Dolomite Lime, Azomite, and Sulfur Powder. Organic and synthetic options are both discussed so you can choose what fits your ...
-
Essential Micronutrients: Boost Your Garden Soil for Healthier Plants
For a truly successful garden, gardeners must go beyond basic knowledge of water and sunlight and educate themselves on the significance of soil nutrients. While many focus on macronutrients like nitrogen, phosphorus, and potassium, micronutrients are just as essential for plant health, even in smaller quantities. To have a successful garden it is important to understand all of the ins and outs of Micronutrients. In this article, you’ll learn: The differences between micronutrients and macro...
-
Flower Fertilizer 101: How to Choose, Apply, and Troubleshoot for Vibrant Blooms
Flower Fertilizer 101: How to Choose, Apply, and Troubleshoot for Vibrant Blooms Ever stared at the garden center's fertilizer shelf feeling completely overwhelmed? You're not alone! Those mysterious bags and bottles with their numbers, percentages, and scientific terms might as well be written in ancient Greek. But don't worry - we're about to break down the mysterious world of flower fertilizer into bite-sized, easy-to-digest pieces that'll have you feeding your flowers ...
-
Fertilizers for Fruit Quality and Quantity: Complete Growing Guide
Last updated: April 2026 Written by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: UC Davis, UC ANR, and Penn State Extension guidelines on fruit crop nutrition Disclosure: Greenway Biotech manufactures products mentioned in this guide. Organic alternatives and third-party sources are discussed throughout. ⚡ Quick Facts: Fertilizing for Fruit Quality and Quantity Most critical nutrients for fruiting: Phosphorus (P₂O₅), potassium...
-
Sulfate vs Chelated Fertilizers: Key Differences and Garden Benefits Explained
Last updated: April 6, 2026 (Revised) Technical Review by: Amir Tajer, B.S.M.E., QAL — Co-Owner & Technical Director, Greenway Biotech Reviewed against: UC Davis ANR, Penn State Extension, Oregon State Extension, and University of Missouri Extension micronutrient management guidelines Disclosure: Greenway Biotech manufactures both sulfate and chelated micronutrient products discussed in this guide. Both fertilizer types are evaluated objectively based on agronomic performance. This articl...
-
Maximize Your Lemon Tree Harvest: The Ultimate Guide to Choosing and Applying the Best Fertilizer
From garnishing drinks to fresh squeezed lemonade to concocting unique recipes, there are so many great ways to use lemons. What you feed your crop makes a difference in the size and quantity of your lemon tree yields, but perhaps more importantly, the taste and nutritional value. So what is the best fertilizer for lemon tree, and when should you apply it? You’ve come to the right place. We’ll cover everything you need to know about the best lemon tree fertilizer to help you make this season ...
-
What is the Best Kelp Fertilizer?
There are so many great organic fertilizer options you have at your disposal, from plant-based sources like cottonseed meal to the animal-derived nutrients of bone meal. These are better for the environment, your plants, your soil, and in turn, you. But today, we want to highlight the benefits of kelp meal specifically as a natural source of plant nutrients. This fertilizer is rich in key nutrients and contains natural growth hormones as well to bring out the best in your crop. Not all formul...
