Naturally occurring forms of vitamin K include a number of vitamers known as vitamin K 1 and vitamin K 2 (Figure 1). Vitamin K 1 or phylloquinone is synthesized by plants and is the predominant form in the diet. Vitamin K 2 includes a range of vitamin K forms collectively referred to as menaquinones. Most menaquinones are synthesized by human intestinal microbiota and found in fermented foods and in animal products.
Hereâs what it likes: 1  A lot of nitrogen in vegetative phase. 2  Less nitrogen, more phosphorus during flowering phase. 3  A PH range between 5.8 and 6.3. About 6 is the best.  A balanced ratio of soil fungus to bacteria. Because marijuana prefers slightly acidic soil, it may be a little on the fungal side.
Most clay soils are on the alkaline side, meaning that you'll probably want to lower the pH of the soil. There are several ways to do this. The most common substances to add to clay soil are builder's sand, gypsum, composted manure, compost or other coarse organic material.wo Parts: Preparing to Amend Amending Your Soil. Clay soil is a very dense substance that can cause major drainage problems for your plants. This soil is common to many parts of the world, limiting what homeowners, gardeners and farmers can grow.