What About Ultra Late-Planted Soybeans?
http://www.usagnet.com/state_headlines/state_story [2008-7-11]
Tag : yellow soybeans
The year 2008 is one for the record books. Frequent rains delayedcorn planting in Missouri and are continuing to aff ect soybeanplanting. Numerous streams and rivers have fl ooded and waterlevels remain above flood stage in parts of Missouri. This meansthat some soybean fi elds have yet to be planted or were plantedand severely damaged by floods.
In the past, these fields would have been abandoned and no cropplanted. However, with soybean prices at near record highs, it maymake sense to plant soybean on dates as late as the end of July.University of Missouri Extension planting date studies have neverincluded this late date, but we may be able to make some estimatesabout yield potential and maturity. One of the reasons that delayed planting reduces soybean yield isthat the critical stage of development (podding, R3 and R4) isdelayed into August -- a month with less than optimal rain. Lessrain means more pod abortion and less yield. The good news for verylate planted soybean is that September often experiences higherrainfall than August. Two other reasons for reduced yield fromdelayed planting is shortened seed-filling period (photoperiodcontrolled) and less light available for photosynthesis (shorterdays and lower sun angle). These problems will be very much in playwith very late planted soybean.
In 2005 and 2006, we conducted a project funded by the MissouriSoybean Merchandising Council. The primary purpose of the projectwas to evaluate soybean management strategies related to soybeanrust. Planting dates and Maturity Groups were two factors studied in theproject. We planted three varieties from each Maturity Group 1, 2,3 and 4. These varieties were planted on three dates at Albany (NWMO) and Columbia (Central MO). Among the data collected were stagesof development dates. Although the latest planting date was June16, we can use this study to try to predict maturity dates and thepotential need for switching varieties for ultra late plantedsoybean.
The year 2008 is one for the record books. Frequent rains delayedcorn planting in Missouri and are continuing to aff ect soybeanplanting. Numerous streams and rivers have fl ooded and waterlevels remain above flood stage in parts of Missouri. This meansthat some soybean fi elds have yet to be planted or were plantedand severely damaged by floods.
In the past, these fields would have been abandoned and no cropplanted. However, with soybean prices at near record highs, it maymake sense to plant soybean on dates as late as the end of July.University of Missouri Extension planting date studies have neverincluded this late date, but we may be able to make some estimatesabout yield potential and maturity. One of the reasons that delayed planting reduces soybean yield isthat the critical stage of development (podding, R3 and R4) isdelayed into August -- a month with less than optimal rain. Lessrain means more pod abortion and less yield. The good news for verylate planted soybean is that September often experiences higherrainfall than August. Two other reasons for reduced yield fromdelayed planting is shortened seed-filling period (photoperiodcontrolled) and less light available for photosynthesis (shorterdays and lower sun angle). These problems will be very much in playwith very late planted soybean.
In 2005 and 2006, we conducted a project funded by the MissouriSoybean Merchandising Council. The primary purpose of the projectwas to evaluate soybean management strategies related to soybeanrust. Planting dates and Maturity Groups were two factors studied in theproject. We planted three varieties from each Maturity Group 1, 2,3 and 4. These varieties were planted on three dates at Albany (NWMO) and Columbia (Central MO). Among the data collected were stagesof development dates. Although the latest planting date was June16, we can use this study to try to predict maturity dates and thepotential need for switching varieties for ultra late plantedsoybean.
Related News »
In Focus »
footwear exports
Last month, European footwear manufacturers proposed extending anti-dumping measures against ..
B2B Keywords:
International market Chinese Importer Wholesale trade Wholesale products World trade Wholesale distributors International trade Foreign trade Wholesale distributor Importers Import export business Sell online Help u sell Global trade How to market a product Online supplier Wholesale product
International market Chinese Importer Wholesale trade Wholesale products World trade Wholesale distributors International trade Foreign trade Wholesale distributor Importers Import export business Sell online Help u sell Global trade How to market a product Online supplier Wholesale product
Feature Products»
Hot Products: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0-9
-
-
About Us -
Links -
Privacy Policy -
Terms of Use -
Site Map -
Contact Us -
Call Center: 0086-95105561 © 2007 Tootoo.com -
