The soil cation exchange capacity (CEC) is the ability of soils to bind and store a particular group of nutrients by electrical attraction, those that form positively charged cations, such as calcium (Ca2+), magnesium (Mg2+), potassium (K+), and nitrogen in the form of ammonium (NH4+). […]
The life expectancy of fruit trees varies with the type of fruit tree, and the rootstock that they’re grafted onto (if they’re not growing on their own roots). Trees on dwarf rootstock tend to have a shorter life span than their larger counterparts because the […]
Burr knots (burrs or burls) are masses of small root initials, plant cells that are dividing and transforming into root tips, which appears on the above-ground portion of a rootstock, or on the trunk and limbs of apple trees. This is an inherited disorder where […]
The goji berry plant (Lycium barbarum), also known as a wolfberry (gouqizi, 枸杞) in Chinese, is a scrambling deciduous shrub with long, sparsely spiny weeping branches. It’s a Lycium (boxthorn) species that is a member of the Solanaceae (nightshade or tomato) plant family, and is […]
