Overall, annual plants
produced snails with greater shell height (U = 57050; P < 0.01), mass (U = 58039; P < 0.01), and higher survival (U = 1740; P < 0.01) than perennial plants.
are the best substitute for wood in many aspects: sustainable forests, availability in huge quantities, environmentally reasonable, and low prices (Meadows et al.
with colorful foliage should also be part of your plans.
: Basil, Peppers, Okra, Peas, Sunflowers, Nasturtiums,
MAKE the most of summer by dead-heading perennial and annual plants
in containers and borders.
A new book has been released that aims to teach the reader everything they need to know about planting their own annual plants
, flowers, herbs and vegetables.
A drought at the end of the active season in 1992 caused lower body mass and survival of individuals because there were fewer annual plants
during the mid- and late-season periods and fewer seeds in the late-season than in non-drought years.
ABSTRACT.--Alien annual grasses in the genera Bromus and Schismus are widespread and abundant in the Mojave Desert, and negative correlations between these aliens and native annual plants
suggest that competition may occur between them.
Although the name Sonoran Desert conjurs up a mental picture of giant columnar cacti and small trees like palo verde, annual plants
are also an important and fascinating component of desert vegetation.
For example, during the first five years of the desert experiment, only small changes occurred -- the lack of kangaroo rats, which eat large seeds, spurred rainy-season growth of annual plants
that bear these seeds.
that produce many seeds in late summer are a good source of seed for birds through autumn into winter.