BIOB 110cs 1st edition Lecture 3 Current Lecture Questions about agricultural research How can we continue increasing production of agriculture for our growing population Can we increase the productions without impacting our environment negatively We can use reduced and no till systems Agroecology learn about agriculture find alternative crops find more sustainable systems Agriculture is a small part of the USDA s funding we get 4 million which is only 2 Classification of Plants based on use Cereal Crops o Grass plants grown for edible grain o Corn wheat rice oats rye barley grain sorghum Fiber Crops o Grown for fiber textiles and rope o Cotton flax hemp Forage Crops o Used for livestock feed hay low moisture haylage medium moisture silage high moisture o Alfalfa the most widely grown forage crop wheatgrass clover sainfoin Cover Crops o Used to prevent soil erosion improve soil condition and recycle nitrogen o A lot of cover crops are legumes green manure crops Oil Crops o Grown for edible and industrial o Edible soybean peanut corn canola sunflower safflower o Industrial rape canola palms flax castor bean Row Crops o Many different crops Grown in rows for cultivation weed control o Sugar beet dry bean potato sunflower safflower Ornamentals o Grown for aesthetic value Plants grown for transplanting are called nursery plants o Flowers vines shrubs trees ground convers lawn turf Vegetables o Cole crops o Cabbage broccoli cauliflower legumes pea bean cucurbit or vine cucumber squash pumpkin solanaceous tomato pepper eggplant Classification of Plants based on Life Span Annuals o Complete life cycle in one growing season Summer Annuals planted in spring and harvested same year Winter Annuals planted in fall and harvested next summer Biennials o produce vegetative growth rosette the first year and flower the second year Many biennials are grown as annuals because they are harvested for the rosette o beet carrot cabbage onion Perennials o Grow for two or more years The shoots on some die back each year alfalfa strawberry o Deciduous trees that lose leaves in winter o Evergreen leaves die after they are replaced with new ones
View Full Document
Unlocking...