Pests & Disease

Pigweed rehabilitated?

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You’ve gotta respect pigweed. It’s resourceful, extremely flexible and adaptable, prolific…it just keeps on coming! It’s managed to grow in tiny dirt deposits, through rust holes in the trailer we use to get things around the field. It’s also run wild in one of the potato sections, where we’ve taken to hand-pulling it in one-hour concentrated weeding missions—it comes out by the trailerload…

The strangest development is that, this season, pigweed seems to be turning into a FOOD, a gourmet crop, even. Going down the lambs’ quarters urban trendiness path, I suppose. I started to hear about it from a couple of people, that it was being sold in Toronto (big city) farmers’ markets. There was even a comment here on the blog… Finally, browsing the web site of a farm not so far from here a couple of days ago, I read how they harvest PIGWEED at 12″ (30cm) and sell it as a tasty and nutritious cooking green…and they named it: Amaranthus retroflexus. Wow. Pigweed is the common name for a couple of varieties of amaranth, retroflexus being one of ’em. I’ve learned a fair bit about amaranth over the last few seasons, and there’s lots to like. There are many varieties and four general classes: vegetable (eat the leaves), decorative (the seed heads make colorful filler for cut flower arrangements), grain (more protein than wheat!), and…the WEED. Yes, I know a weed is only what you make of it, and it’s great to discover that we can EAT a plant rather than destroy it…but after all our hard-fought pigweed battles, this is hard to swallow. I CAN’T IMAGINE harvesting pigweed (that is, the weed varieties of amaranth) as a market crop. I mean, it would take some getting used to. And could I find a wholesale buyer, because I have a lot…? This year, I’m growing a couple of varieties of decorative amaranth in the cut flowers beds, last year, I grew one type of vegetable amaranth as a trial salad green, and a while back, I grew a couple of beds of grain amaranth, all from purchased seed, and all the while, weeding tons of pigweed… Weeding amaranth from amaranth. OK, I’m ranting a little… Maybe I’ll stroll out and gaze upon the mountain of pigweed for a while (that’s last year’s pic, it’s bigger now)—eventually, perhaps, I’ll get to a place where I’m simply wondering about all that wasted harvest… (Guest photo of trailerload of pigweed by Maria)

“I love intense!”

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If you’re not on top of weeds by mid-June, things are gonna get ugly. Here, I’ve yet to come close to not having…problem spots, like this year’s onion section, where a perfect combination of heat and rain made relatively tiny pigweed JUMP in just a couple of days. At this size, and with the weeds growing right close to the onions, careful hand-weeding is the only option, other than tilling under the crop. Today. Lynn, Libby and I tackled the job…

Hours of weeding and a complete weather change later, the deed was done. As much as you think about the intense amount of labor, what that adds to the true cost of one of these onions, how things could’ve been done more efficiently, and so forth, you can’t help but be satisfied by such a complete…makeover. I asked Libby, after her very first crazy weeding spree, how she felt. With a big grin, she said: “I love intense!” You can’t help but love that attitude! :)

And there was still time for other fieldwork, an unhurried lunch break, and time out to play with the goats… Is this an economically viable way to farm? Well, it’s kinda working out so far, things are slowly, steadily improving, and we seem to be having ever more fun as it goes along!

Checking under row cover

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Three weeks ago, it was floating row cover everywhere. So, what was it worth? Today, I checked things out. Overall, growth has been startlingly slow, due to the lack of sun. This is really noticeable in the summer squash (above), which could be huge at this point, but…aren’t. Under cover, these zucchini (I didn’t check the variety) are doing fine, no cucumber beetle damage, but of course, weeds are doing fine as well: unmolested under there, pigweed runs rampant. I’ll take the cover off here in another week or so, and then there’ll be a whole lotta weeding to do… I removed the cover from the first beds of cauliflower (Snow Crown) and broccoli (below), they’re big enough to take a little flea beetle munching. The leaves have shaded out much of the potential weed action in the beds, but you can see a nice collection in the path (top center, where the row cover ends). The plants look untouched, although the flea beetles managed to get under and at the kale and collards, (they’re out of sight just to the left)—I left them covered, back in a week. If there’s any doubt about what the FBs will do, just check the radishes, which grow MUCH faster than these guys and can survive the damage…

Back with the cucurbits, the cucumbers are the most noticeably slow: after a month, they’re hardly bigger than the transplants they started as (hope it’s all going into the roots!)… I’ve cleared away the weeds between a couple of the plants, beetle damage is minimal (they tend to get in at the ends of rows, where the cover can get blown up by the wind), but there are weeds everywhere. Cover goes back on here for a while. Weird stunting weather and floating row cover: not the most peaceful and inspiring natural garden combo, but it should all straighten out in a bit… ;)

Thinning and weeding

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The first beet greens have sized up: lush and looking delicious, they’re ready to harvest. I love beet greens, both raw in salad, and lightly sauteed in olive oil and/or butter (a kind of deluxe spinach). I’ve never grown them as a separate crop, instead, they’re a happy byproduct of thinning the beets—removing the extra plants so that the remaining beets have room to grow. So the greens are both a harvest crop…and a weed. (I guess this is a continuation of yesterday’s post about WEEDS!) As you can see below, with the exception of a few gaps where nothing germinated, the first-planted beets are growing quite solid in their rows, which means a lot of plants have to be removed, maybe as much as 6-8 out for every one left behind (did you know, beet “seed” is actually tiny dried beet fruit containing several seeds?). There’ll be so much from four or five 3-row beds of beets, I won’t be able sell, eat, store or give away all of the greens that’ll pile up, but I can’t leave them in to stunt each other, so at at some point, the thinning becomes…weeding. Funny how that works! :)

Meanwhile, after a quite intensive weeding by hand and hoe a few days ago, the beet beds and paths are in fine shape, with only some growth near the plants that’ll come out during the thinning. (The cracks in the ground are what happens with our heavyish clay-loam soil: it’s not at all concrete-solid, it’s nicely moist, but as the surface dries out, it tends to…crack.) As far as overall weeding, with some quick touch-up hoeing along the way, these beds should be fine till harvest in 3-4 weeks (maybe earlier for some). The increasing leaf cover will keep down weeds near the plants, and the increasingly narrow paths and between-row strips can be quickly walked down with the weed hoe. It should be…sweet! On the other hand, in the potato patch…

…things have gotten a little crazier. A dense and vigorous mix of mostly pigweed and some lamb’s quarters has carpeted one of the two potato sections. Here, you can see the difference a pass with the wheel hoe makes. On the left, a just-hoed path still looks pretty green. In the middle, it’s untouched and looking a little scary. I’d call this…Stage 2: leave these little guys just a few days longer, and it’ll be a fight to hoe as the pigweed stems in particular will start to get tougher. On the right, a path weed-hoed a couple of days ago (I was on the way through while walking back from hoeing another area)—after a day of sunshine, the cut and uprooted weeds dry up, and you can see how much weeding you’ve really done. There’s still a lot of close work around the plants, but the potatoes are really shooting up now, so once that final weeding is done, the plants will shade out and prevent germination of whatever weed seed’s still near the surface. On the other potato section, the weeds aren’t nearly so…dense. On this one, some of last year’s weeds obviously went to seed, which really increases this year’s population. It almost fee;s like a closed system: what work you get away with not doing now, you eventually pay for later, usually with a little interest…

Crops among the weeds

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Weeded with the wheel hoe and hoop hoe, the onions looked impressively clear just six days ago, but after a few days of heat and moisture, the tiny weeds that were left shot up to the point where it’s time to do it all over again. Pigweed and lamb’s quarters, along with outbreaks of grass, are working to take over. It may look like a lot was missed. but weeding intensity depends on the crop. With onions, weeds tend to cluster close to the stems, so it usually seems easier to work more quickly and come back again, than spend double or triple the initial time, getting painstakingly close all around each plant (that’s how it seems, maybe not!). With the first section of tomatoes (below), things aren’t so advanced on the weed front, but there’s more grass in this area, and it’s still hard to see the crops in the general green haze of unwanted stuff growing. Hopefully, there will be enough grass mulch ready soon so we can extend the coverage between plants, and then onto the paths. This battle against weeds is the big one. All across the garden, both the veggies and what’s growing with them are at different stages, and require different weeding approaches. Typically, if you’re not using herbicides, tractor cultivation is the quickest way to keep the majority of the weed population down by working between rows. Even then, in-row weeding (between the plants) is still a hand job. It’s a LOT of work, and every few days that a section is not handled, the amount of work required increases as the weeds grow bigger and harder to kill. In a smaller market garden like this, with relatively short 50′ (15m) beds, the tractor is not an option; hand tools and methods rule. The idea is not to keep up this battle year in year out, but to progressively work smarter to reduce the load, through better timing and various techniques: mulching is the most obvious one, but there are lots of things to try. It’s not overnight, but things do improve as you go…!

Row cover everywhere

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Row cover on spring transplants

It was impossible to capture all the floating row cover outposts scattered around the feel in just one shot. This pic shows maybe a third of the area under the light, white, spunbond polyester protection. Right now, it’s being used as protection from two separate things: frost and bugs. Let’s see, it’s on all the cucurbits (so far, that’s cucumber, summer and winter squash, and pumpkin) to protect from the cold and striped cucumber beetles, on tomatoes against cold (and coming off in a few days), on the brassicas (broccoli, cauliflower, and the like) against ravaging flea beetles but not the cold (coming off when the plants are fairly big and can withstand the FBs). I’ve used row cover from Year 1, far as I can remember (there are NOTES and even pics…somewhere). Initially, I really didn’t like it, it looked so…unearthy, synthetic,…not part of the garden. BUT, the alternatives, like planting later, ending harvest earlier in fall, temporary wind breaks and cold air channels, trap crops, and all sorts of complex interplanting (so one crop protects another), encouraging beneficial insects, more elaborate timing (basically, closer second guessing of insect cycles and the weather), not to mention a completely adapted, semi-permaculture set-up where everything is at home no matter what, were all way out of what I could handle as I dove into tiny farming with the intention of heading to the farmers’ market in the first season. Floating row cover lets me extend the season by at least a couple of weeks at each and, and I can avoid all pesticides (and there are some killer insecticides allowed even in certified organics) and a lot of bug grief (stemming from lots of LOSS). I still don’t really LIKE row cover, though, the way I like, say, my Sneeboer three-tine cultivator or even the Horse rototiller (I can understand how the Horse is built, get if fixed, or do without). More and more lately, I wonder when FRC will become insanely expensive, or real scarce, or just plain run out… It’s as oil-based as they come, and kind of in a high tech product class of its own. This year, in a small fit of…paranoia (?), I actually ordered a new 1,000’x14′ (300mx4.3m) roll, even though I have enough for this season at least. It’s not much of a stockpile, but, carefully managed, it could get me through 3-4 more years along with what’s on hand, at this tiny farming scale… Oh, well, the more you know, the less you need is what I believe. I’m learning as I go. Keep farming long enough, and I’m sure I’ll get beyond the cover if it doesn’t run out on me first…! :)

Submerged garlic and root-diving voles

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For all of the melt-off’s magical moments—garlic tips emerging and big puddles that look like tiny seas—there are mild melt-off concerns as well. About one third of the garlic beds have been fully submerged for nearly two days now, and may stay that way for 2-3-4 more, especially if it rains tomorrow as promised. (This area usually doesn’t get flooded with runoff, but I should’ve paid attention to the natural gully and not rotated the garlic there, just in case.) I doubt being underwater for a while will affect the garlic, but I don’t know for sure… How long garlic can hold its breath is another thing I’ll soon find out! And elsewhere, I discovered the handiwork of VOLES (it had to be them) in the herb patch. Under cover of snow, they’d neatly excavated 25′ feet of parsley roots, methodically working their way down the double row. These aren’t tunnels, just holes that go down about a hand’s length. Interesting. Another first. And no loss. But could this be population explosion year in the local vole cycle? Last year’s spring lettuce raids in the greenhouse were nothing compared to organized action like this… Good thing they don’t like garlic!


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