The 2019 Ohio Crop Tour – I-75 Leg – Day 2

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Greene County:

Corn: The plants were short with thin stalk and good nitrogen status. There was light gray leaf spot and some insect feeding on silks. We had pollinated kernels and unpollinated silks on the same ear, but also fresh silks. There was some yield variability because of the pollination challenges. We are guessing a yield of around 160.

Soybeans: The field was planted May 28. There was a lot of volunteer corn that had been sprayed and was dying. The canopy height was 32 inches. There were nodes around 2 inches apart. There was no disease pressure and minimal insect feeding. We counted, conservatively, 42 pods per plant in 30-inch row beans with a low population of 60,000.

Warren County

Corn: This corn was planted May 25 with small diameter stalks and a short hybrid. There was moderate disease pressure with gray leaf and some northern. There was no insect pressure. The corn looked great except for significant tip-back due to some dry weather. All the intended corn acres for the farm were planted. This corn was further along than most with a 150-bushel average.

Soybeans: In this county we found many houses and a few soybean fields. There was significant waterhemp in this field to the tune of one plant per 10 square feet with about a million seeds per plant for next year, which may cause problems. The weed pressure has increased significantly since we came south of 70. There has also been more diseases as we’ve moved south.

Montgomery County

Corn: The corn was planted on May 28. There was more weed pressure than we’ve seen. These were tall plants with ears above our heads. The plants were very healthy. They recently got 2 inches of rain, but there were dry conditions before that. There was a low level of gray leaf spot and we couldn’t reach the leaves above the ear to check those. The yield average was 183 bushels. There were some jumbled kernels, likely from early wet and then dry conditions. There are kernels clear to the tip. They were able to plant 100% of intended corn acres on this farm.

Soybeans: There was great uniformity in this field planted on May 24. The canopy height was 37 inches. The distance between nodes was 2 to 3.5 inches based on the variable weather. There was no disease pressure with dark green leaves. There was minimal leaf feeding. We had 27 pods per plant average in this excellent field.

Preble County

Corn: This was planted on May 18, the earliest planting date on the western tour. There was gray leaf spot and northern corn leaf blight found throughout the field. This was the highest disease level found at this point on the tour. The conditions were dry and there was no insect pressure. The ears actually looked like ears one would expect to find on a mid-August crop tour with some kernels just starting to dent. Because it is so much further along, this was the first fairly reliable yield estimate with a 205-bushel yield guess. This farmer got 100% of the intended corn acres planted before many other farms even were able to get started.

Soybeans: This was among the best bean fields we have seen with a May 17 planting date. There were about 100,000 plants per acre. This was a 3.8 maturity bean with a 32-inch canopy with 2 inches between nodes. There was some moderate frogeye leaf spot. The beans were sprayed two weeks earlier. We did find a stink bug and some bean leaf beetle feeding. The plants averaged about 50 pods in this excellent field. This is the first field we have seen with 4 pods in a node. The double-crop beans on the farm were planted June 25, earlier than the vast majority of the fields we looked at.

Miami County

Corn: There was some leaf burn from a late N application. It was on the dry side but there was nice moisture and it needs to continue. There was moderate northern corn leaf blight and some gray leaf spot, maybe the most we have seen. There was little insect pressure, though there were some aphids. It was planted on June 6 and just pollinating with a population of 34,500 for this 108-day hybrid. The excellent stand will push yield to 202 bushels if the weather cooperates and the frost holds off. This was the first farm on the west side of the tour where all of the intended corn acres were planted.

Soybean: The beans were planted June 5. They were the best beans we have seen so far with a 38-inch canopy in 20-inch rows. There were 2 inches between nodes and little disease pressure. One plant had 33 pods with potential for more. There were some holes in the stand and these were not replanted, which has been a rarity. The population was 120,000 to 150,000.

Shelby County

Corn: The conditions were very dry with sidedress marks still in the field. It was a full stand at 34,000 population. There was almost no disease pressure with just a bit of gray leaf spot. This is among the cleanest fields we’ve seen. It was a very short stalk with high ear placement. It was still pollinating. The yield was at 170 bushels, conservatively. The field was planted June 4 and 90% of intended acres were planted.

Soybeans: The general conditions were dry. There had been a recent spray and there was some leaf burn. It was a clean field with short plants at 15 inches for the canopy. It was planted June 8 and then replanted on June 27. There was an inch between nodes with 80,000 to 100,000 population, so a little low. This was pretty clean, with a bit more Septoria and a little frogeye. The insect pressure was very low. There were some pods, but still flowering.

Darke County

Corn: The corn is green, healthy looking and there was great soil. They are dry, though. There was a moderate amount of gray leaf spot in this susceptible hybrid. There was a little common rust. There were corn rootworm adults in this corn, likely on a refuge plant. It was just beyond brown silk. It was planted on June 4. There were some mechanical issues from the planter and the population was at 28,000. The estimated yield was right around 175 bushels. Around 65% of the intended corn acres were planted this spring.

Soybeans: The beans were planted June 11 and replanted June 26. Some of the earlier beans were up. It was an even stand but the conditions are dry. The canopy height was around 28 inches and the distance between nodes was 2 to 2.5 inches. There was some light insect feeding and 16 pods per plant on average with potential for more. This was a very good field of beans in need of water.

Mercer County

Corn: The corn was planted on June 8. There was firing on the edges but not in the field. There was no disease or insect pressure and many double ears. The yield was at 161 bushel potential, but it is still pollinating like most of the corn on the west side of the tour. This famer got 90% of the intended corn acres planted.

Soybeans: Around 95% of intended soybean acres were planted here. The fields looked to be on the dry side and in need of rain. They were pretty much finished flowering. There were some pigweed species in the field. The canopy height was 22 inches with really no disease pressure, though we did see a little sudden death syndrome. There was limited insect pressure. These were the best-podded beans we have seen on the tour so far with 30 to 35 pods per plant. The population was good in this early maturity bean. The yield is in the 40 to 50 bushel range. They were planted June 12.

Auglaize County

Corn: There were wet and foggy conditions and the crop looks healthy. There was some N shortage showing in the lower leaves. The disease pressure was very low with some gray leaf spot and northern corn leaf blight. This was planted June 4. There is a solid 200-bushel yield here with a long way to go. He got 1.4 inches of rain the previous night and it was needed. This farmer got over 85% of his intended corn acres planted this year.

Soybeans: This was planted on June 15 and replanted on June 26. The canopy height was 14 to 18 inches with waves across the field. The distance between nodes was 2 to 2.5 inches. There was little to no insect pressure. There were no pods with the beans around R2.

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