985 resultados para Hydroponic crops
Resumo:
Newsletter produced by Iowa Department of Agriculture and Land Stewardship about Organic News in farming.
Resumo:
Newsletter produced by Iowa Department of Agriculture and Land Stewardship about Organic News in farming.
Resumo:
Newsletter produced by Iowa Department of Agriculture and Land Stewardship about Organic News in farming.
Resumo:
Newsletter produced by Iowa Department of Agriculture and Land Stewardship about Organic News in farming.
Resumo:
Newsletter produced by Iowa Department of Agriculture and Land Stewardship about Organic News in farming.
Resumo:
Newsletter produced by Iowa Department of Agriculture and Land Stewardship about Organic News in farming.
Resumo:
Newsletter produced by Iowa Department of Agriculture and Land Stewardship for Iowa Growers.
Resumo:
Newsletter produced by Iowa Department of Agriculture and Land Stewardship for Iowa Growers.
Resumo:
A newsletter produced by Iowa Department of Agriculture and Land Stewardship. The Conservation Reserve Enhancement Program for the state of Iowa.
Resumo:
It is widely assumed that living in rural Iowa means you live near a field of corn or soybeans. It is common to see large equipment during spring and fall and most people are aware that care should be given when using certain pesticides near these fields. In general, most everyone knows what to expect. Now there’s something new dotting the Iowa landscape . . . Vineyards! Like row crops, vineyards also use farm equipment and pesticides. We would like to take you on a written tour of what you might expect in a vineyard throughout our growing season. For a “real” tour, contact a local grape grower!
Resumo:
Report produced by the The Department of Agriculture and Land Stewardship, Climatology Bureau. Iowa Secretary of Agriculture Bill Northey today commented on the Iowa Crops and Weather report released by the USDA National Agricultural Statistical Service. The report is released weekly from April through October.
Resumo:
Report produced by the The Department of Agriculture and Land Stewardship, Climatology Bureau. The Iowa Crops and Weather report released by the USDA National Agricultural Statistical Service.
Resumo:
Report produced by the The Department of Agriculture and Land Stewardship, Climatology Bureau. Iowa Secretary of Agriculture Bill Northey today commented on the Iowa Crops and Weather report released by the USDA National Agricultural Statistical Service.
Resumo:
Despite the fact that aluminum toxicity to crops is eliminated near soil water pH of 5.5, lime recommendation in many regions aims to increase soil pH up to 6.0 or even higher. For highly buffered soils, high rates of limestone are required to raise the pH from 5.5 to 6.0, resulting in additional, sometimes unnecessary, costs. The objective of this study was to evaluate the effect of soil pH on corn yield in a very acid Hapludox. The experiment was carried out in Lages, Southern Brazil, from 1992 to 1996. The soil had water pH of 4.7, Al3+ of 33 mmol c kg-1, O.M. of 45 g kg-1 and lime requirement to pH 6.0 of 9.0 t ha-1. Dolomitic limestone at rates of 0, 4.5, 9.0, 13.5 and 18.0 t ha-1 (equivalent to pure CaCO3) was incorporated into the soil down to 17 cm depth, in 1992. Liming increased linearly the values of soil pH (from 4.7 to 6.6) and Ca and Mg, eliminated Al3+ with rates of 9.0 t ha-1 or higher, decreased slightly Al-CuCl2, Fe and Cu, and did not affect Zn and Mn. Maximum average corn yield for grain (7.9 t ha-1) and for green matter for silage (GM) (59 t ha-1) was obtained, respectively, at soil pH of 6.0 (12 t ha-1 of limestone) and of 6.1 (14 t ha-1 of limestone); maximum economic efficiency for grain was obtained at pH 5.6 (7.5 t ha-1 of limestone). Maximum yield increments due to liming were 17% for grain and 20% for GM.
Resumo:
Report produced by the The Department of Agriculture and Land Stewardship, Climatology Bureau. The Iowa Crops and Weather report released by the USDA National Agricultural Statistical Service.
