Fertilizer for clover food plots: rates, timing, and soil pH

Last updated 2026-07-24

What fertilizer does a clover food plot actually need?

Clover is a legume, and legumes pull nitrogen out of the air through a partnership with rhizobia bacteria living on their roots. That means a mature, well-nodulated clover stand needs very little nitrogen fertilizer, sometimes none at all. What it does need is phosphorus (P) and potassium (K), plus a soil pH high enough that the plant can actually use the nutrients sitting in the dirt. Most land-grant extension programs recommend a pH range of 6.0 to 7.0 for clover, with many pointing to 6.5 as the sweet spot. Below about 6.0, aluminum and manganese become more available and can get toxic to clover roots, and phosphorus becomes chemically locked up so the plant can't reach it even if plenty is in the ground. That single fact, more than any fertilizer choice, is what separates a thick clover stand from a thin one. A starter fertilizer with a modest N-P-K blend, something like 0-20-20 or 5-10-10, is a reasonable call at planting if your soil test doesn't specify otherwise. But the soil test is what should set the actual pounds per acre of P and K, not a guess off the bag. Overapplying phosphorus wastes money and can run off into ponds and streams; underapplying leaves clover thin and short-lived. A small starter dose of nitrogen, 20 to 30 pounds per acre, can help a brand-new seeding get going before the rhizobia colonies are fully established, especially on ground that's never grown clover before. After that first flush, cut nitrogen out almost entirely for a healthy stand.

How do you read a soil test for a clover plot?

A soil test report gives you pH, buffer pH (used to calculate lime need), and levels of phosphorus, potassium, calcium, magnesium, and sometimes sulfur and micronutrients, usually reported in pounds per acre or parts per million. The report should also give lime and fertilizer recommendations specific to the crop you tell the lab you're planting, so always list "clover" or "forage legume" as the crop when you submit the sample. Most university extension soil test recommendations are built around a target build-up level for P and K, then a maintenance rate after that. If your test comes back with P and K in the "low" or "medium" category, expect a bigger first-year application, sometimes 40 to 60 pounds of P2O5 and K2O per acre, to bring the field up before dropping into maintenance mode in following years. Lime recommendations are given in tons per acre of agricultural lime (calcium carbonate equivalent), and it is common to see recommendations of 1 to 3 tons per acre on acidic food plot ground that hasn't been limed in years. Lime reacts slowly in the soil. Full pH correction from a surface-applied application commonly takes 6 to 12 months or longer, depending on lime fineness and how well it's incorporated into the topsoil. That lag is the single biggest planning mistake plot owners make. If you test in August and the field needs 2 tons of lime per acre, spreading it the week before you drill clover in September does very little for that season's stand. Ideally, lime goes down 6 to 12 months before planting, worked into the top few inches with a disk or tiller if possible. Your soil test lab, whether it's a university lab or a private ag lab, is the actual authority on your field's lime and fertilizer numbers. Anything in this article is general guidance to help you understand the report, not a substitute for what the lab tells you to apply.

When should you fertilize a clover plot, at planting or in spring?

Both, usually. Apply lime and the bulk of P and K at planting, worked into the seedbed before or right after drilling seed. Clover seed is small and shallow-planted (often 1/4 inch deep or less), so fertilizer that's already in the ground before seeding gives roots something to grow into right away. Then, each spring after the first year, most extension programs recommend a maintenance topdress of P and K based on a fresh soil test, applied as clover breaks dormancy and green-up starts. This keeps a perennial clover stand like red clover or a red/white mix producing for its typical 3 to 5 year productive life instead of petering out after one season. A light nitrogen application in year one, again in the 20 to 30 pound per acre range, is sometimes recommended specifically for new stands where rhizobia inoculation is questionable, cold soils are slowing nodulation, or the field is being no-till drilled into thick sod where competition is heavy. Skip nitrogen on established, well-nodulated stands. It mostly just feeds grass and weeds that compete with your clover.

When to plant food plots for deer, and does timing affect fertilizer needs?

Planting windows depend heavily on your zone and whether you're planting a cool-season or warm-season plot, and timing matters for fertilizer because lime and P/K need lead time to work into the soil before roots can use them. Cool-season perennials like clover and chicory are typically planted in early fall (roughly August through October in northern and transition zones) or very early spring, so the plant establishes before summer heat or winter cold stresses it. Warm-season annuals like soybeans, sorghum, and cowpeas go in late spring after the last frost. Frost dates and hardiness zones set the outer edges of these windows, and they shift by a month or more between the Deep South and the upper Midwest. Because fall-seeded clover germinates in cooling soil with shortening days, get lime and P/K down as early in summer as you can manage, ideally 60 to 90 days ahead of a fall planting date, so the pH shift has time to happen before seed goes in the ground.

When to plant oats for deer, and do they need the same fertility?

Oats are typically planted in late summer to early fall, generally August through September in most whitetail range, so they're mature and attractive by the time hunting season opens. Unlike clover, oats are a grass, not a legume, so they need real nitrogen, more than P and K. A reasonable starting rate for oats as a food plot forage is 40 to 60 pounds of actual nitrogen per acre, split between a starter application at planting and a topdress 3 to 4 weeks later if growth looks pale or slow. Oats also respond well to the same pH range as clover, generally 6.0 to 7.0, so a field planted to an oats/clover mix (a common combination for a quick fall food source with the clover taking over as a perennial the following year) can share one lime and fertilizer program if you plan for both crops' needs on the same soil test submission.

When to plant turnips for deer, and how much fertilizer do they need?

Turnips and other brassicas are usually planted from late July through August in most of the whitetail's range, giving the bulbs and tops 60 to 90 days to mature before the first hard frosts sweeten them up and make them palatable to deer. Brassicas are nitrogen-hungry, generally needing 50 to 100 pounds of actual nitrogen per acre depending on soil organic matter, plus phosphorus and potassium per soil test. They also like a slightly higher pH than clover in some references, with several extension brassica guides citing an optimum range of 6.0 to 7.5. If you're rotating turnips into a field that grew clover the year before, credit some nitrogen back to the turnip crop. A good clover stand can leave 50 to 100 pounds of nitrogen per acre in residual soil nitrogen for the following crop, per legume nitrogen credit guidance from Iowa State University Extension.

Do deer eat clover, and is it actually one of their favorite foods?

Yes. Clover is consistently one of the most heavily used food plot forages across whitetail range, and it shows up on nearly every list of preferred plantings from state wildlife agencies and university extension programs. It's high in crude protein, often in the 20 to 30 percent range for a healthy, well-fertilized stand, palatable through most of the growing season, and it regrows after grazing pressure unlike a lot of annuals. Deer favorite foods vary regionally and seasonally, but native browse, soft mast like acorns and apples, and agricultural crops like soybeans and corn all rank alongside clover in most studies of deer diet composition. Clover's advantage for food plot purposes is that it's available for months at a time, spring through fall in a lot of zones, rather than a short mast drop or a single harvested crop.

Do deer eat sorghum, oats, and turnips too, or is clover the priority planting?

Deer do eat sorghum, particularly the grain heads and young shoots, though it's more commonly planted as a screening or bedding cover crop, or a late-season standing grain source, than as a primary forage plot. Grain sorghum holds up well through winter and can provide a late-season food source when other plots are grazed down. Oats and turnips both see heavy deer use, especially turnips after a few frosts convert starches to sugars and make the bulbs and foliage sweeter. A mixed-species approach, clover for season-long perennial forage, oats and brassicas for fall and early winter volume, is what most state agency and extension food plot guides recommend rather than betting everything on one species. If you're deciding between a straight clover plot or a mix, our guide to food plot whitetail strategy walks through how species selection interacts with your hunting goals.

Do deer like honey, and does that matter for food plots?

Deer aren't drawn to honey as a food source in any meaningful, documented way, and there's no wildlife agency or extension guidance recommending it for food plots or attractants. Deer are herbivores built to digest plant fiber, browse, and forage, not the concentrated sugars in honey. Any anecdotal claims about honey attracting deer aren't backed by state agency or university research, and it's not something worth budgeting for. If you want a sweet, high-sugar attractant deer genuinely respond to, frost-sweetened brassicas and turnips do that job through an actual food plot planting instead.

What is a food plot, and how does fertilizer fit into the plan?

A food plot is a planted area, usually somewhere between a quarter acre and several acres, established specifically to provide deer or other wildlife with a concentrated, reliable food source, distinct from natural browse or agricultural fields grown for human harvest. Plots range from small hidden kill plots tucked into timber to large destination fields meant to hold deer through a season. Fertilizer is one of three foundational inputs, alongside seed selection and weed control, that determines whether a plot actually produces tonnage deer will use. A lot of plot failures that get blamed on "bad seed" or "drought" trace back to skipped soil tests and no lime, leaving pH too low for the plant to access nutrients that were technically in the ground the whole time. State wildlife agencies that publish food plot guidance, including several Southeastern and Midwestern departments of natural resources, consistently list a soil test as the first step before buying seed or fertilizer. If you want a species and fertility plan built around your specific soil test results and property goals rather than generic ratios, the Custom Food Plot Plan is a $99 one-time service that maps out seed, lime, and fertilizer recommendations for your ground. It's a planning tool, not a replacement for your soil test lab's specific lime and nutrient numbers, which remain the final word on your field's chemistry.

Do deer like clover more than other food plot forages, and does fertilizer change palatability?

Deer show strong, repeated preference for well-fertilized, actively growing clover compared to stressed or nutrient-deficient stands, and forage quality studies generally show crude protein and digestibility both climb with adequate soil fertility. A clover plot sitting at pH 5.2 with no potassium applied will still grow, technically, but it'll be thin, slow to recover from grazing, and lower in protein than the same variety on corrected ground. That's really the core reason fertilizer matters as much as species choice. Two identical clover seed bags planted on the same day can produce completely different results depending on whether lime and P/K went down first. If you're comparing clover against other legumes or annual grains for your plots, see our breakdown on deer food plots species options, or check food plot seed for variety-specific guidance.

What fertilizer rate should you actually use if you don't have a soil test yet?

Clover (established)	0-20	Per soil test	6.0-7.0
Clover (new seeding)	20-30	Per soil test	6.0-7.0
Oats	40-60	Per soil test	6.0-7.0
Brassicas/turnips	50-100	Per soil test	6.0-7.5	These are general ranges drawn from extension forage and food plot guidance, not fixed prescriptions. Your soil test lab's recommendation for your specific field overrides any of this.

Get one before you plant anything. It typically costs 10 to 20 dollars through a university extension soil lab and takes 1 to 2 weeks to turn around, and it saves far more than that in wasted lime or fertilizer you didn't need, or in a stand that fails because you needed lime you didn't apply. If you're planting this week and truly cannot wait, a reasonable blind-guess starter rate for clover on average, unimproved food plot ground is roughly 300 pounds per acre of a 0-20-20 or similar low-nitrogen blend, plus 1 ton per acre of pelletized or ag lime if you have no idea what your pH is and the ground has never been limed. That's a rough placeholder, not a substitute for actual data, and you should pull a soil sample immediately after planting so next year's application is dialed in correctly. | Crop | Nitrogen (lb/acre) | Phosphorus & Potassium | Target pH |

Do state rules affect how you manage food plots and fertilizer?

Food plots themselves are legal in every state as an agricultural or wildlife management practice, but baiting and supplemental feeding rules vary widely and sometimes brush up against food plot definitions, particularly around what counts as a "planted crop left standing" versus a pile of feed. Some states, including parts of the Midwest and South, have specific statutes distinguishing a food plot (a crop grown in place) from bait (feed transported and placed). Check your state wildlife agency's current regulations before assuming a technique that's legal in a neighboring state applies to you; several states have added or amended baiting definitions in recent years specifically to address food plot ambiguity. Your state agency's hunting regulations page is the actual authority here, not a national roundup.

Frequently asked questions

Do deer eat sorghum in food plots?

Yes, deer eat sorghum, especially the grain heads and tender young growth, though it's more often planted as cover, screening, or a late-season standing grain source than a primary forage. It holds up well into winter, which makes it useful alongside clover or brassica plots rather than as a replacement for them.

Do deer eat clover, and is it worth the fertilizer investment?

Deer eat clover heavily and consistently, and it's one of the most widely recommended food plot forages by state wildlife agencies and university extension programs. Because it's a perennial that can produce for 3 to 5 years, the fertilizer and lime investment pays off over multiple seasons rather than a single planting.

When to plant deer food plots depending on species?

Cool-season perennials like clover typically go in during early fall or early spring; brassicas like turnips go in late July through August; oats go in late summer to early fall; warm-season annuals like soybeans and sorghum go in after your last spring frost. Exact windows depend on your USDA hardiness zone and local frost dates.

Do deer like clover better than alfalfa or other legumes?

Deer readily eat both, and preference studies don't show a dramatic across-the-board winner; clover tends to be favored for food plots because it tolerates mowing, grazing pressure, and a wider soil pH range better than alfalfa, which is pickier about drainage and fertility.

When to plant oats for deer in a fall food plot?

Most extension and state agency guidance points to late August through September for oats, timed so the plants are established and green before archery season opens in most whitetail range. Oats need real nitrogen, generally 40 to 60 pounds of actual N per acre, unlike nitrogen-fixing clover.

When to plant food plots for deer if you only get one planting window a year?

If you can only plant once, early fall (roughly late August through September in most of whitetail range) covers the widest range of options, including clover, oats, and brassicas, and lines up with the months hunters are actually in the woods watching plots get used.

When to plant turnips for deer for best palatability?

Plant turnips 60 to 90 days before your area's first hard frost, generally late July through August in most whitetail range. Frost converts starches in the bulb to sugars, which is why turnip plots often get ignored in September and hammered in November.

What is a food plot, technically, versus a wildlife feeder?

A food plot is a planted crop, whether clover, brassica, or grain, grown in place specifically to feed wildlife, distinct from a feeder or bait pile that distributes harvested feed. Some states regulate the two very differently, so check your state wildlife agency's definitions before combining the two on the same property.

What are deer's favorite foods, beyond food plots specifically?

Native browse, soft mast like acorns and fruit, and agricultural crops including soybeans, corn, and clover all rank high in deer diet studies, and preference shifts seasonally with availability. Food plots work because they concentrate a preferred, high-protein food source in a location a hunter controls.

Do deer like honey or sugar-based attractants?

No credible wildlife agency or extension research supports honey as a deer attractant; deer are herbivores adapted to browse and forage, not concentrated sugars like honey. Frost-sweetened brassicas provide a genuine sugar spike deer respond to through an actual planted food source instead.

How much lime does a clover food plot need?

It depends entirely on your soil test, but acidic, unlimed food plot ground commonly needs 1 to 3 tons of agricultural lime per acre to reach clover's target pH of 6.0 to 7.0. Lime takes 6 to 12 months to fully react in the soil, so apply it well ahead of planting.

Does clover need nitrogen fertilizer at all?

Established, well-nodulated clover fixes most of its own nitrogen and needs little to none from a bag. A small starter dose of 20 to 30 pounds of actual nitrogen per acre can help a brand-new seeding get going before rhizobia colonies are fully active, especially on ground that's never grown clover.

Can you use the same fertilizer blend for clover and oats planted together?

You can share lime and P/K applications since both crops like a 6.0 to 7.0 pH range, but oats need real nitrogen (40 to 60 lb/acre) that clover doesn't, so a mixed plot should get a nitrogen topdress calibrated for the oats without overdoing it on the clover's account.

Sources

1. University of Missouri Extension, Food Plots for Deer and Turkey (G9494): Legumes like clover need soil pH near 6.5 for proper nodulation and nutrient uptake
2. University of Georgia Extension, Soil Acidity and Liming for Agronomic Crops (Circular 896): Lime reacts slowly and full pH correction from surface-applied lime can take 6 to 12 months or more
3. Iowa State University Extension, Nitrogen Credit for Legumes in Corn (PM 1688): A good legume stand like clover can leave residual nitrogen credit for the following crop
4. Penn State Extension, Brassicas for Deer Food Plots: Brassica food plots are typically planted in late July through August and need nitrogen fertilization
5. University of Georgia Extension: Fertilization and liming recommendations for clover and other forage legumes