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Author: Ralph C. Martin Publisher: ISBN: Category : Corn Languages : en Pages : 370
Book Description
"The overall hypothesis of this research was that silage biomass and protein yields would be higher in corn-soybean intercrops than in monocrops on the same land area. Yields, European corn borer infestation and N transfer were tested over tall and dwarf corn hybrids, nodulating and nonnodulating soybean genotypes and at 0, 60 and 120 kg N ha$ sp{-1}$. Land Equivalent Ratios ranged from 0.97 to 1.23, but most were higher than 1.10. Protein concentrations of corn-soybean silage, up to 10.76%, were on average 9.24% vs. 7.41% in corn silage. A general trend of higher protein yield ha$ sp{-1}$ in intercrops compared to corn monocrops was significant in 1986. Corn-soybean intercrops at 60 kg N ha$ sp{-1}$ and three population densities were $132 to $261 ha$ sp{-1}$ more cost effective than monocropped tall corn at 120 kg N ha$ sp{-1}$. European corn borer infestation was reduced by intercropping and was higher at 120 kg N ha$ sp{-1}$ than at 60 or 0 kg N ha$ sp{-1}$. Under normal rainfall, dwarf corn had higher protein and yield levels when intercropped with nodulating rather than nonnodulating soybean. On N-depleted soil, N transfer was detected from nodulating soybean to nonnodulating soybean and to corn by the [symbol]N dilution method, and to corn by direct [symbol]N labelling of nodulating soybean." --
Author: Ralph C. Martin Publisher: ISBN: Category : Corn Languages : en Pages : 370
Book Description
"The overall hypothesis of this research was that silage biomass and protein yields would be higher in corn-soybean intercrops than in monocrops on the same land area. Yields, European corn borer infestation and N transfer were tested over tall and dwarf corn hybrids, nodulating and nonnodulating soybean genotypes and at 0, 60 and 120 kg N ha$ sp{-1}$. Land Equivalent Ratios ranged from 0.97 to 1.23, but most were higher than 1.10. Protein concentrations of corn-soybean silage, up to 10.76%, were on average 9.24% vs. 7.41% in corn silage. A general trend of higher protein yield ha$ sp{-1}$ in intercrops compared to corn monocrops was significant in 1986. Corn-soybean intercrops at 60 kg N ha$ sp{-1}$ and three population densities were $132 to $261 ha$ sp{-1}$ more cost effective than monocropped tall corn at 120 kg N ha$ sp{-1}$. European corn borer infestation was reduced by intercropping and was higher at 120 kg N ha$ sp{-1}$ than at 60 or 0 kg N ha$ sp{-1}$. Under normal rainfall, dwarf corn had higher protein and yield levels when intercropped with nodulating rather than nonnodulating soybean. On N-depleted soil, N transfer was detected from nodulating soybean to nonnodulating soybean and to corn by the [symbol]N dilution method, and to corn by direct [symbol]N labelling of nodulating soybean." --
Author: Ralph C. (Ralph Cameron) Martin Publisher: National Library of Canada = Bibliothèque nationale du Canada ISBN: Category : Corn Languages : en Pages : 370
Author: Akshay Kumar Chakravarthy Publisher: Springer ISBN: 9811015244 Category : Science Languages : en Pages : 431
Book Description
Arthropods are invertebrates that constitute over 90% of the animal kingdom, and their bio-ecology is closely linked with global functioning and survival. Arthropods play an important role in maintaining the health of ecosystems, provide livelihoods and nutrition to human communities, and are important indicators of environmental change. Yet the population trends of several arthropods species show them to be in decline. Arthropods constitute a dominant group with 1.2 million species influencing earth’s biodiversity. Among arthropods, insects are predominant, with ca. 1 million species and having evolved some 350 million years ago. Arthropods are closely associated with living and non-living entities alike, making the ecosystem services they provide crucially important. In order to be effective, plans for the conservation of arthropods and ecosystems should include a mixture of strategies like protecting key habitats and genomic studies to formulate relevant policies for in situ and ex situ conservation. This two-volume book focuses on capturing the essentials of arthropod inventories, biology, and conservation. Further, it seeks to identify the mechanisms by which arthropod populations can be sustained in terrestrial and aquatic ecosystems, and by means of which certain problematic species be managed without producing harmful environmental side-effects. This edited compilation includes chapters contributed by over 80 biologists on a wide range of topics embracing the diversity, distribution, utility and conservation of arthropods and select groups of insect taxa. More importantly, it describes in detail the mechanisms of sustaining arthropod ecosystems, services and populations. It addresses the contribution of modern biological tools such as molecular and genetic techniques regulating gene expression, as well as conventional, indigenous practices in arthropod conservation. The contributors reiterate the importance of documenting and understanding the biology of arthropods from a holistic perspective before addressing conservation issues at large. This book offers a valuable resource for all zoologists, entomologists, ecologists, conservation biologists, policy makers, teachers and students interested in the conservation of biological resources.
Author: Steven Carnby Reynolds Publisher: ISBN: 9781085642910 Category : Agronomy Languages : en Pages : 24
Book Description
There is an interest in finding a way to increase protein values in forage for dairies. Previous studies have reported that when intercropped, corn and soybean can increase the dry matter yield and crude protein yield of silage. In 2016 and 2017 a study with three levels of nitrogen application and six different planting densities at two locations were evaluated to help determine what the best combination is to get the highest yields and protein levels when intercropping corn and soybean. There was a linear trend observed showing an increase of nitrogen will increase yields in both grain and forage. There were mixed results when increasing densities of soybean were planted. At the lowest nitrogen level of 150 pounds per acre there was a positive response to the increasing soybean density while at the higher nitrogen level this was not observed. There was also a positive response observed when evaluating increasing soybean densities and protein levels in the aftermath of a grain crop. This did not hold true when the corn was harvested for silage. Overall there is still research that needs to be done as there appears to be some possible advantages to intercropping soybeans in a corn crop, but results were inconsistent in the two years of this project.
Author: Andre Bationo Publisher: Springer Science & Business Media ISBN: 904812543X Category : Technology & Engineering Languages : en Pages : 1339
Book Description
Africa can achieve self sufficiency in food production through adoption of innovations in the agriculture sector. Numerous soil fertility and crop production technologies have been generated through research, however, wide adoption has been low. African farmers need better technologies, more sustainable practices, and fertilizers to improve and sustain their crop productivity and to prevent further degradation of agricultural lands. The agricultural sector also needs to be supported by functional institutions and policies that will be able to respond to emerging challenges of globalization and climate change.
Author: Steve Norberg Publisher: ISBN: Category : Corn Languages : en Pages : 8
Book Description
Intercropping is an old and commonly used agricultural practice of cultivating two or more crops in the same space at the same time. Double cropping is when two crops are planted sequentially in one year. Double cropping corn-triticale rotation for silage is a common practice in the Columbia Basin and in the Treasure Valley of Idaho and Oregon as it increases the amount of feed that can be grown for dairy cows. Double cropping provides protection of the soil from wind and water erosion during the winter months and additional organic matter to the soil via root degradation. Double cropping will also enhance intercropping of corn and soybean as the later planting will increase soybean competition in the intercrop mixture with corn. The most common advantage of intercropping is the greater yield on a given piece of land by making efficient use of the available resources. Moreover, intercropping with legumes improves soil fertility through biological nitrogen fixation, increases soil conservation, and provides better lodging resistance for crops susceptible to lodging. Intercropping provides financial stability, especially during extreme weather conditions such as drought, and makes the system particularly suitable for labor-intensive small farms. In addition, intercropping minimizes agriculture's environmental influences and reduces fertilizer and pesticide application requirements. However, there are some disadvantages with intercropping, such as the selection of the appropriate crop species, sowing densities, crop management, and harvest.
Author: Ralph C. Martin
Author: Ralph C. Martin![Intercropping Corn and Soybean for High-protein Silage in a Cool Temperate Region [microform] PDF](https://books.google.com/books/content/images/frontcover/C4pCPwAACAAJ?fife=w80-h100)
Author: Ralph C. (Ralph Cameron) Martin
Author: Ralph C. Martin
Author: Akshay Kumar Chakravarthy
Author: 
Author: 
Author: Steven Carnby Reynolds
Author: Andre Bationo
Author: Ahmad Bakri Abdul Mutalib
Author: Steve Norberg