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Cultural Practices
So lots of times people want to know how we seed crops and what we do to grow them. I hope to shed some light on some of our basic cultural practices and educate you guys about how we plant and take care of our crops.
The most common question is how do we seed crops. There are many different ways in which we do this from transplanting to direct seeding. We never buy in any plants only seed and we start all of our crops from seed ourselves. This helps to ensure that we don't bring in any diseases on plants. The only potential is on seed and we've never had an issue with it.
So transplanting for us involves the following steps. Let's take swiss chard as an example. We buy the swiss chard seed early in January. We plant it in the greenhouse in early February. We plant it in greenhouse flats where it lives for a few weeks until it goes outside. This method is how we plant swiss chard, collards, broccoli, tomatoes, eggplant, peppers, flowers, and early season squash. Below is a picture of what swiss chard looks like a few weeks after germination. 
This next picture is what lettuce looks like after it's transplanted.
The other way we get crops seeded is by direct seeding. This involves placing the seed into the ground and germinating it in the field. This has advantages over transplanting because the root system is never disturbed, it's typically stronger because it's been outside from the beginning, and it's the only way some crops can work.
We direct seed beans, carrots, radishes, turnips, arugula, mustard greens, and peas. Most all root crops are direct seeded. In the heat of the summer we have to direct seed everything because the heat in the greenhouse is too hot to allow anything to live.
One of my major jobs on the farm is direct seeding. Most all of our seeding happens through one of our two seeders (or by hand for more expensive or larger crops that require larger spacing...ie peanuts, melons, squash). The two seeders we have are the Earthway and Planet Jr. Both of these seeders create small furrows, have adjustable depths and seeding rates, cover the seed, then compact the seed for good seed to soil contact. The advantage of the Earthway is that it is really cheap and effective on the home-garden level and has a short learning curve. For us its great for crops where the seed is cheap and we seed different varieties because it only takes a second to change the seed hopper to the different seed. The Planet Jr. is much more expensive but can give much better results. At about seven hundred dollars it's quite an investment. It is more difficult to learn, has a much more finicky seed hopper, and requires some use to figure out which seed plate to use to seed your crop. The advantage of the Planet Jr. that I like so much is that it uses much less seed and it's super heavy. Well pushing something heavy through our soils isn't easy but since it's heavy it doesn't jump around and create uneven germination like the Earthway.
Earthway
Planet Jr.
We always plant more seeds than we want so that we can thin out the bad ones and keep the strong ones. One of the hard parts of direct seeding is keeping the seed moist in the field to germinate in the hot weather. Another major issue we have is soil crusting. This happens because of our heavy clay soils. We typically can stop the crusting by using our floating row fabric which helps to keep the soil moist and keep it from crusting.
I hope this sheds some light on what one of our seeding days is like and what it takes to even get a crop to germinate.
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